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UVV oxidizing ultraviolet light uses wavelengths of 187nm to produce activated oxygen atoms that react with chemicals, odors, and VOCs, degrading them through successive oxidation into odorless and harmless byproducts. ASHRAE has expanded knowledge of ultraviolet light applications over time through research projects, technical groups, and chapters in its handbooks on ultraviolet air and surface treatment and ultraviolet lamp systems. Improving indoor air quality can utilize ultraviolet light to destroy biocontaminants and eliminate odors through irradiating indoor air and surfaces like heating and cooling coils.
Infrared radiation is electromagnetic radiation with wavelengths longer than those of visible light, but shorter than microwave wavelengths. Infrared imaging is used extensively for military and civilian purposes such as target acquisition, surveillance, night vision, thermal efficiency analysis, and astronomy. Infrared radiation can also be used for heating, tracking objects that emit infrared, and short-range wireless communication using infrared light-emitting diodes.
This document discusses infrared radiation and some of its applications. It begins by explaining that infrared radiation has a wavelength between 0.7 and 300 micrometers, which is longer than visible light but shorter than microwaves. It notes that over half the energy from the Sun reaches Earth as infrared radiation and this balance affects the climate. It then lists several common applications of infrared technology including medicine, the military, industry, computers, security systems, and more. It provides more details on thermography, night vision, medical uses, and uses in meteorology. It concludes by discussing how infrared spectroscopy can be used for identification and detection of impurities in substances.
Infrared rays were first discovered in 1880 by William Herschel and have since been used in many applications. Infrared rays have wavelengths between 7.8 x 10-4 and 1 mm and cannot be seen by the human eye. Infrared rays are produced by the vibration of molecules when heated and have uses in fields like health, night vision, tracking, communication, spectroscopy, meteorology, climatology, and astronomy.
Infrared radiation is electromagnetic radiation with wavelengths longer than those of visible light, ranging from 700 nanometers to 1 millimeter. It is emitted or absorbed by molecules as they change their rotational-vibrational movements. Infrared radiation is used for a variety of applications including night vision, thermography, spectroscopy, telecommunications, and heating.
1. In 1800, Sir Frederick William Hershel discovered infrared radiation beyond the red part of the visible light spectrum using a thermometer with a blackened bulb.
2. Infrared radiation has longer wavelengths than visible light, ranging from 0.7 to 300 micrometers. It was originally called "calorific rays" and is now called infrared.
3. Infrared radiation is divided into categories based on wavelength bands such as near, short, and far infrared.
Infrared light is electromagnetic radiation that is invisible to the human eye but can be detected as heat. Infrared radiation is emitted from objects based on their temperature and makes up over half of the energy from the Sun that reaches Earth, playing a critical role in the climate. Infrared has wavelengths longer than visible light and is used in applications like night vision, temperature measurement, wireless communication, and energy efficiency in buildings.
This presentation gives an insight in basic infrared technology (over the entire infrared wavelength range) and infrared applications.
You can find a recording of the presentation at https://imec.csod.com/default.aspx?p=imec&c=Guest&dlink=%2fDeepLink%2fProcessRedirect.aspx%3fmodule%3dlodetails%26lo%3da02ef314-45e0-4518-9f32-50a63a9ed2f0
UVV oxidizing ultraviolet light uses wavelengths of 187nm to produce activated oxygen atoms that react with chemicals, odors, and VOCs, degrading them through successive oxidation into odorless and harmless byproducts. ASHRAE has expanded knowledge of ultraviolet light applications over time through research projects, technical groups, and chapters in its handbooks on ultraviolet air and surface treatment and ultraviolet lamp systems. Improving indoor air quality can utilize ultraviolet light to destroy biocontaminants and eliminate odors through irradiating indoor air and surfaces like heating and cooling coils.
Infrared radiation is electromagnetic radiation with wavelengths longer than those of visible light, but shorter than microwave wavelengths. Infrared imaging is used extensively for military and civilian purposes such as target acquisition, surveillance, night vision, thermal efficiency analysis, and astronomy. Infrared radiation can also be used for heating, tracking objects that emit infrared, and short-range wireless communication using infrared light-emitting diodes.
This document discusses infrared radiation and some of its applications. It begins by explaining that infrared radiation has a wavelength between 0.7 and 300 micrometers, which is longer than visible light but shorter than microwaves. It notes that over half the energy from the Sun reaches Earth as infrared radiation and this balance affects the climate. It then lists several common applications of infrared technology including medicine, the military, industry, computers, security systems, and more. It provides more details on thermography, night vision, medical uses, and uses in meteorology. It concludes by discussing how infrared spectroscopy can be used for identification and detection of impurities in substances.
Infrared rays were first discovered in 1880 by William Herschel and have since been used in many applications. Infrared rays have wavelengths between 7.8 x 10-4 and 1 mm and cannot be seen by the human eye. Infrared rays are produced by the vibration of molecules when heated and have uses in fields like health, night vision, tracking, communication, spectroscopy, meteorology, climatology, and astronomy.
Infrared radiation is electromagnetic radiation with wavelengths longer than those of visible light, ranging from 700 nanometers to 1 millimeter. It is emitted or absorbed by molecules as they change their rotational-vibrational movements. Infrared radiation is used for a variety of applications including night vision, thermography, spectroscopy, telecommunications, and heating.
1. In 1800, Sir Frederick William Hershel discovered infrared radiation beyond the red part of the visible light spectrum using a thermometer with a blackened bulb.
2. Infrared radiation has longer wavelengths than visible light, ranging from 0.7 to 300 micrometers. It was originally called "calorific rays" and is now called infrared.
3. Infrared radiation is divided into categories based on wavelength bands such as near, short, and far infrared.
Infrared light is electromagnetic radiation that is invisible to the human eye but can be detected as heat. Infrared radiation is emitted from objects based on their temperature and makes up over half of the energy from the Sun that reaches Earth, playing a critical role in the climate. Infrared has wavelengths longer than visible light and is used in applications like night vision, temperature measurement, wireless communication, and energy efficiency in buildings.
This presentation gives an insight in basic infrared technology (over the entire infrared wavelength range) and infrared applications.
You can find a recording of the presentation at https://imec.csod.com/default.aspx?p=imec&c=Guest&dlink=%2fDeepLink%2fProcessRedirect.aspx%3fmodule%3dlodetails%26lo%3da02ef314-45e0-4518-9f32-50a63a9ed2f0
1. Infrared radiation is electromagnetic radiation with longer wavelengths than visible light.
2. The discovery of infrared radiation is attributed to astronomer William Herschel in 1800.
3. Infrared radiation is commonly divided into near-infrared, short-wavelength infrared, mid-wavelength infrared, long-wavelength infrared, and far infrared based on wavelength.
Gamma rays are a form of electromagnetic radiation that were discovered in 1900 by Paul Villard. They have the shortest wavelengths and highest frequencies of all electromagnetic waves, ranging from 10-11 to 10-14 meters. Gamma rays are produced through nuclear reactions and radioactive decay. They can pass through materials like metal and concrete due to their high energy. Common uses of gamma rays include medical applications like cancer treatment, industrial applications like defect detection, and food preservation.
The document discusses the history and applications of laser technology. It begins with the origins of laser theory in Einstein's work and the invention of the laser in the 1950s. It then explains how different types of lasers work and lists common laser systems like solid state, liquid, gas and semiconductor lasers. The document outlines a wide range of applications for lasers in fields like military, medicine, industry and entertainment. It provides examples of laser use in surgeries, cutting and welding tools, CD players, and holography. In under 3 sentences.
Infrared radiation is a type of electromagnetic radiation that comes after microwaves and before visible light in the electromagnetic spectrum. It is an invisible light source produced primarily through thermal radiation as the movement of atoms and molecules increases with temperature. Infrared radiation is divided into three categories - near, mid, and far infrared - based on its wavelength. While prolonged exposure to high levels of infrared radiation can cause burns or overheating, it has a variety of technological applications including night vision, thermal imaging, wireless communication, and weather forecasting.
What is INFRARED? Explains the principle,uses and application of INFRARED in daily life. Technology of INFRARED in various fields like medical, archaeology,astronomy and many others.
IRJET- Distance Measurement with the Help of Ultrasonic SensorIRJET Journal
1) Ultrasonic sensors use sound waves instead of light for detection and measurement purposes. They are commonly used for distance measurement, detecting hidden objects, and water level detection.
2) Ultrasonic sensors work by transmitting ultrasonic waves and detecting echoes reflected back from objects. By measuring the time between the wave transmission and echo reception, the distance to the object can be determined.
3) There are different types of ultrasonic sensors including open structure sensors, enclosed sensors protected from the environment, and high frequency sensors used for precise industrial applications. Ultrasonic sensors have various applications including intruder alarms, automatic doors, and backup sensors in vehicles.
1. Lasers work by stimulating the emission of coherent light through the process of stimulated emission. A laser provides a coherent beam of light that is highly focused and monochromatic. ND:YAG lasers use neodymium-doped yttrium aluminium garnet as the lasing medium.
2. Optical fibers transmit light through the process of total internal reflection. They have advantages over electrical cables including higher bandwidth, immunity to interference, safety, and security. Multi-mode fibers have larger cores than single-mode fibers.
3. Numerical aperture characterizes the light-gathering ability of an optical fiber, describing the range of angles at which light can enter or exit.
Laser communication is well-suited for small spacecraft due to the small optics required. It uses modulation of a laser beam to transmit information, with technologies like laser diodes and sensitive detectors enabling communication over long distances using low power. Key components of a laser communication system include the laser source, modulation techniques, beam optics, photon sensors like CCDs or PMTs, and tracking systems to point the receiver at the transmitter.
This document discusses radiation and its effects on skin. It provides information about:
1. Radiation comes from the sun and artificial sources like lamps, and is measured in parameters like irradiance and dose.
2. Radiation can be used to study skin but can also induce photoeffects, so it is important to measure radiation levels and implement safety practices.
3. The type and level of radiation exposure depends on multiple factors like geographical location, season, and daily activities, so radiation doses received by different body areas can vary significantly.
The document summarizes the history and development of lasers. It discusses:
- The first working laser was invented by Theodore Maiman in 1960 at Hughes Research Laboratories in Malibu, California.
- Lasers work by stimulating the emission of photons from excited atoms or molecules in an active medium placed within an optical cavity. This produces a coherent, collimated beam of light.
- Lasers have a wide variety of applications, including in medicine, industry, everyday devices like barcode scanners and CD players, and research areas like holography and measuring the speed of light.
- Key laser components include the active medium, excitation mechanism, and optical resonator consisting of mirrors that ampl
The document discusses the history and applications of lasers. It begins with a brief history of lasers, noting they were developed in the 1960s and have since revolutionized optics. It defines lasers as devices that generate light via stimulated emission. One example application is using lasers as the light source for fiber optic communication, allowing information to be transmitted quickly through glass fibers. The document outlines several other applications of lasers, including uses in the military, medicine, communication, and materials processing.
This document discusses laser communication systems. It begins with an introduction to the basic principles of lasers and how they operate. It then describes how laser communication works, transmitting information such as video, data, sound via laser beams either terrestrially or in space. Laser communication provides benefits over radio frequency and fiber optic communication in some situations, such as higher bandwidth, lower transmission power needs, and more secure and directed signals. Current applications of laser communication include defense, free space optics at airports, and NASA satellite links. Free space optics is also discussed as an emerging line-of-sight laser technology providing multi-gigabit connections without fiber.
This document discusses key considerations for designing radiation shielding in diagnostic radiology facilities. It outlines parameters to calculate shielding needs such as workload, occupancy, beam direction and tube leakage. Common shielding materials like lead, concrete and gypsum are described. The importance of continuity, integrity and quality control of the shielding installation is emphasized through inspection and record keeping.
Infrared radiation was discovered in the early 19th century by William Herschel. Infrared radiation is an electromagnetic radiation with a wavelength longer than visible light. Infrared radiation includes most of the thermal radiation emitted by objects near room temperature through molecular rotational and vibrational movements. Infrared light is used in various applications like infrared cameras to detect heat loss, observe blood flow, and detect overheating equipment. It also allows astronomy observations of objects obscured by interstellar dust. Night vision devices using infrared illumination allow observation without detection. The Earth absorbs visible and invisible radiation from the sun and re-emits much of the energy as infrared radiation, which is absorbed by greenhouse gases in the atmosphere and re-radiated to warm
This document discusses various applications of lasers including manufacturing, medical, metrology, defense, communication, and scientific uses. Lasers are widely used in manufacturing for cutting, drilling, welding, and lithography due to their ability to focus light into an intense beam. In medicine, lasers are used for eye surgery, dermatology, and minimally invasive surgery. Defense applications include laser range finders, underwater lasers, and laser-guided missiles. Lasers also have important applications in spectroscopy, laser cooling, optical tweezers, and as guide stars for telescopes. Future potential uses may include laser-based electricity generation and transmission as well as nuclear fusion.
Radiographic testing uses penetrating radiation directed at a component. Differences in how radiation is absorbed can be recorded on film or digitally to detect internal defects. There are various radiation sources and imaging methods used, including film, computed radiography, real-time radiography, and digital radiography. Strict safety protocols must be followed when using radiation to inspect components and ensure technician and public safety.
This document discusses different types of lasers, their uses, and laser safety. It describes excimer lasers, dye lasers, and semiconductor lasers. It outlines laser uses in medicine, industry, and everyday life. It also discusses non-beam hazards, laser classifications and labeling, control measures like engineering controls and PPE, and signs used for laser safety.
Module 7 radiation detection, american fork fire rescuejhendrickson1983
This document discusses radiation sources, types of radiation, and radiation detection devices for emergency responders. It identifies common radiation sources, describes how radiation can impact humans, and defines key radiation measurement terms like absorbed dose, equivalent dose, and half-life. The document outlines different types of radiation detectors including Geiger-Mueller tubes, scintillation crystals, and gamma spectroscopy devices. It stresses that responders need training to understand radiation monitoring and detection to safely respond to potential radiation incidents.
This presentation includes brief history about UV Disinfectant lighting, what is UV light, ISO Class consideration, services and maintenance, room construction, lighting control, lux requirement ,IP rating, and lighting color.
Ultraviolet light lies just outside the range of visible light our eyes can detect. Its wavelengths are shorter and higher energy than visible light. Even though our eyes can’t directly detect ultraviolet light, we can see its effects
1. Infrared radiation is electromagnetic radiation with longer wavelengths than visible light.
2. The discovery of infrared radiation is attributed to astronomer William Herschel in 1800.
3. Infrared radiation is commonly divided into near-infrared, short-wavelength infrared, mid-wavelength infrared, long-wavelength infrared, and far infrared based on wavelength.
Gamma rays are a form of electromagnetic radiation that were discovered in 1900 by Paul Villard. They have the shortest wavelengths and highest frequencies of all electromagnetic waves, ranging from 10-11 to 10-14 meters. Gamma rays are produced through nuclear reactions and radioactive decay. They can pass through materials like metal and concrete due to their high energy. Common uses of gamma rays include medical applications like cancer treatment, industrial applications like defect detection, and food preservation.
The document discusses the history and applications of laser technology. It begins with the origins of laser theory in Einstein's work and the invention of the laser in the 1950s. It then explains how different types of lasers work and lists common laser systems like solid state, liquid, gas and semiconductor lasers. The document outlines a wide range of applications for lasers in fields like military, medicine, industry and entertainment. It provides examples of laser use in surgeries, cutting and welding tools, CD players, and holography. In under 3 sentences.
Infrared radiation is a type of electromagnetic radiation that comes after microwaves and before visible light in the electromagnetic spectrum. It is an invisible light source produced primarily through thermal radiation as the movement of atoms and molecules increases with temperature. Infrared radiation is divided into three categories - near, mid, and far infrared - based on its wavelength. While prolonged exposure to high levels of infrared radiation can cause burns or overheating, it has a variety of technological applications including night vision, thermal imaging, wireless communication, and weather forecasting.
What is INFRARED? Explains the principle,uses and application of INFRARED in daily life. Technology of INFRARED in various fields like medical, archaeology,astronomy and many others.
IRJET- Distance Measurement with the Help of Ultrasonic SensorIRJET Journal
1) Ultrasonic sensors use sound waves instead of light for detection and measurement purposes. They are commonly used for distance measurement, detecting hidden objects, and water level detection.
2) Ultrasonic sensors work by transmitting ultrasonic waves and detecting echoes reflected back from objects. By measuring the time between the wave transmission and echo reception, the distance to the object can be determined.
3) There are different types of ultrasonic sensors including open structure sensors, enclosed sensors protected from the environment, and high frequency sensors used for precise industrial applications. Ultrasonic sensors have various applications including intruder alarms, automatic doors, and backup sensors in vehicles.
1. Lasers work by stimulating the emission of coherent light through the process of stimulated emission. A laser provides a coherent beam of light that is highly focused and monochromatic. ND:YAG lasers use neodymium-doped yttrium aluminium garnet as the lasing medium.
2. Optical fibers transmit light through the process of total internal reflection. They have advantages over electrical cables including higher bandwidth, immunity to interference, safety, and security. Multi-mode fibers have larger cores than single-mode fibers.
3. Numerical aperture characterizes the light-gathering ability of an optical fiber, describing the range of angles at which light can enter or exit.
Laser communication is well-suited for small spacecraft due to the small optics required. It uses modulation of a laser beam to transmit information, with technologies like laser diodes and sensitive detectors enabling communication over long distances using low power. Key components of a laser communication system include the laser source, modulation techniques, beam optics, photon sensors like CCDs or PMTs, and tracking systems to point the receiver at the transmitter.
This document discusses radiation and its effects on skin. It provides information about:
1. Radiation comes from the sun and artificial sources like lamps, and is measured in parameters like irradiance and dose.
2. Radiation can be used to study skin but can also induce photoeffects, so it is important to measure radiation levels and implement safety practices.
3. The type and level of radiation exposure depends on multiple factors like geographical location, season, and daily activities, so radiation doses received by different body areas can vary significantly.
The document summarizes the history and development of lasers. It discusses:
- The first working laser was invented by Theodore Maiman in 1960 at Hughes Research Laboratories in Malibu, California.
- Lasers work by stimulating the emission of photons from excited atoms or molecules in an active medium placed within an optical cavity. This produces a coherent, collimated beam of light.
- Lasers have a wide variety of applications, including in medicine, industry, everyday devices like barcode scanners and CD players, and research areas like holography and measuring the speed of light.
- Key laser components include the active medium, excitation mechanism, and optical resonator consisting of mirrors that ampl
The document discusses the history and applications of lasers. It begins with a brief history of lasers, noting they were developed in the 1960s and have since revolutionized optics. It defines lasers as devices that generate light via stimulated emission. One example application is using lasers as the light source for fiber optic communication, allowing information to be transmitted quickly through glass fibers. The document outlines several other applications of lasers, including uses in the military, medicine, communication, and materials processing.
This document discusses laser communication systems. It begins with an introduction to the basic principles of lasers and how they operate. It then describes how laser communication works, transmitting information such as video, data, sound via laser beams either terrestrially or in space. Laser communication provides benefits over radio frequency and fiber optic communication in some situations, such as higher bandwidth, lower transmission power needs, and more secure and directed signals. Current applications of laser communication include defense, free space optics at airports, and NASA satellite links. Free space optics is also discussed as an emerging line-of-sight laser technology providing multi-gigabit connections without fiber.
This document discusses key considerations for designing radiation shielding in diagnostic radiology facilities. It outlines parameters to calculate shielding needs such as workload, occupancy, beam direction and tube leakage. Common shielding materials like lead, concrete and gypsum are described. The importance of continuity, integrity and quality control of the shielding installation is emphasized through inspection and record keeping.
Infrared radiation was discovered in the early 19th century by William Herschel. Infrared radiation is an electromagnetic radiation with a wavelength longer than visible light. Infrared radiation includes most of the thermal radiation emitted by objects near room temperature through molecular rotational and vibrational movements. Infrared light is used in various applications like infrared cameras to detect heat loss, observe blood flow, and detect overheating equipment. It also allows astronomy observations of objects obscured by interstellar dust. Night vision devices using infrared illumination allow observation without detection. The Earth absorbs visible and invisible radiation from the sun and re-emits much of the energy as infrared radiation, which is absorbed by greenhouse gases in the atmosphere and re-radiated to warm
This document discusses various applications of lasers including manufacturing, medical, metrology, defense, communication, and scientific uses. Lasers are widely used in manufacturing for cutting, drilling, welding, and lithography due to their ability to focus light into an intense beam. In medicine, lasers are used for eye surgery, dermatology, and minimally invasive surgery. Defense applications include laser range finders, underwater lasers, and laser-guided missiles. Lasers also have important applications in spectroscopy, laser cooling, optical tweezers, and as guide stars for telescopes. Future potential uses may include laser-based electricity generation and transmission as well as nuclear fusion.
Radiographic testing uses penetrating radiation directed at a component. Differences in how radiation is absorbed can be recorded on film or digitally to detect internal defects. There are various radiation sources and imaging methods used, including film, computed radiography, real-time radiography, and digital radiography. Strict safety protocols must be followed when using radiation to inspect components and ensure technician and public safety.
This document discusses different types of lasers, their uses, and laser safety. It describes excimer lasers, dye lasers, and semiconductor lasers. It outlines laser uses in medicine, industry, and everyday life. It also discusses non-beam hazards, laser classifications and labeling, control measures like engineering controls and PPE, and signs used for laser safety.
Module 7 radiation detection, american fork fire rescuejhendrickson1983
This document discusses radiation sources, types of radiation, and radiation detection devices for emergency responders. It identifies common radiation sources, describes how radiation can impact humans, and defines key radiation measurement terms like absorbed dose, equivalent dose, and half-life. The document outlines different types of radiation detectors including Geiger-Mueller tubes, scintillation crystals, and gamma spectroscopy devices. It stresses that responders need training to understand radiation monitoring and detection to safely respond to potential radiation incidents.
This presentation includes brief history about UV Disinfectant lighting, what is UV light, ISO Class consideration, services and maintenance, room construction, lighting control, lux requirement ,IP rating, and lighting color.
Ultraviolet light lies just outside the range of visible light our eyes can detect. Its wavelengths are shorter and higher energy than visible light. Even though our eyes can’t directly detect ultraviolet light, we can see its effects
Super Cure is one of the most trusted and professional brands in the energy curing industry with esteemed corporate values and a competitively successful drive. We are known as the home of supplying wide range of UV Curing lamps, IR lamps, LED Curing systems, Electronic Power supplies, and accessories for various industrial Curing applications
U.V.C. germicidal lamps emit ultraviolet radiation at 253.7 nm to efficiently kill microorganisms. They have a similar structure to fluorescent lights but use special glass to transmit UV rays. There are many suppliers of UV lamps in India that offer a range of lamps for applications from laboratories to industries. The demand for UV lamp suppliers has increased due to interest in using UVC lamps to disinfect surfaces and kill viruses like SARS-CoV-2. However, UVC can be dangerous if the lamps are not installed correctly to avoid skin and eye exposure.
UV-Vis Spectroscopy_ Principle, Strengths and Limitations and Applications _ ...rajibchy198
The document summarizes UV-Vis spectroscopy, including how it works, its main components, analysis of absorption spectra, strengths and limitations, and applications. It describes how UV-Vis spectroscopy measures absorption of light by a sample compared to a reference. The main components of a UV-Vis spectrophotometer are a light source, wavelength selection components like monochromators, and detectors. It provides quantitative analysis of absorption spectra and discusses common applications of UV-Vis spectroscopy in various fields.
for LIVE Teaching 2-Practical Applications of EM wave.pptxRowelEngreso3
The document discusses the electromagnetic spectrum and various applications of electromagnetic waves. It begins by defining radio waves, microwaves, infrared, visible light, ultraviolet rays, x-rays, and gamma rays based on their wavelength and energy. It then provides examples of practical applications for each type of electromagnetic wave, such as communication technologies that use radio waves, cooking appliances that use microwaves, remote controls that use infrared, visible light for displays and lighting, UV rays for sterilization and detecting fakes, x-rays for medical imaging, and gamma rays for cancer treatment and sterilization. The document aims to teach students about the different regions of the electromagnetic spectrum and their importance in daily life.
The document discusses the electromagnetic spectrum and various applications of electromagnetic waves. It begins by defining radio waves, microwaves, infrared, visible light, ultraviolet rays, x-rays, and gamma rays based on their wavelength and energy. It then provides examples of practical applications for each type of electromagnetic wave, such as radio waves being used for broadcasting, microwaves for satellite communication, infrared in remote controls and thermal scanning, visible light in screens and lighting, ultraviolet rays in sterilization and detecting fake banknotes, x-rays for medical imaging and industrial inspection, and gamma rays for cancer treatment and sterilization. The document aims to explain the importance and effects of different electromagnetic waves.
Effectiveness of uv sterilisation chambers in barbering shops and salonsAlexander Decker
1) The study assessed the effectiveness of UV sterilization chambers used in barber shops and salons in inhibiting microbial growth.
2) Swabs were taken from barbering implements before and after UV sterilization to analyze microbial colony counts.
3) Of the 70 sterilization chambers analyzed, only 20 showed inhibitory effects on microbial growth. Characteristics like age, intensity, and wavelength of the UV lamps were compared.
This document discusses different devices that can be used to detect ultraviolet radiation, including photodiodes and photomultiplier tubes. It also describes the wavelength ranges of ultraviolet radiation, including UVA, UVB, and UVC. Exposure to UV rays can affect the human body, and UV radiation has various applications like disinfection, medical imaging, and curing polymers.
Revolutionizing The World of UV: Far-UV SterilrayTim Cowher
Statistics show that more than 23 million people in the US get sick each year from transmitted diseases. It costs businesses more than $159 billion in lost production and sick leave. Being able to disinfect surfaces such as handrails, countertops, and floors quickly are critical to stopping the highly contagious diseases.
Far-UV Sterilray is a new UV technology that makes it possible to quickly and conveniently disinfect all types of surfaces and floors. Traditional methods (including liquid and steam cleaners) require from 30 seconds to more than 5 minutes of contact time and kill only about 85% of the virus. Far-UV Sterilray can kill all viruses in as little as 1/10 second with its kill-on-the-fly technology.
The document discusses ultraviolet (UV) rays, including:
- UV rays come from the sun and other sources like tanning beds. While UV rays produce vitamin D, overexposure can cause health risks like skin cancer.
- There are three main types of UV rays - UVA, UVB, and UVC - classified by wavelength. UVA and UVB can affect health but UVA penetrates deeper.
- UV rays have benefits like vitamin D production but risks include sunburn, skin damage, eye diseases, and skin cancers from overexposure. UV light technology can also kill bacteria and viruses.
UV sensors measure the power or intensity of incident ultraviolet (UV) radiation. This form of electromagnetic radiation has shorter wavelengths than visible radiation, but is still longer than x-rays.
UV treatment uses ultraviolet light to kill microorganisms by disrupting their DNA. It has been used for water treatment since the early 1900s. A typical UV system consists of a UV lamp, quartz sleeve, reactor chamber, and ballast. Pretreatment is required to remove solids that could shield microorganisms from the UV light. Effectiveness depends on hydraulic properties, UV intensity, and water characteristics. Proper maintenance like cleaning the quartz sleeve and replacing lamps is necessary to ensure sufficient UV radiation. There are different types of UV lamps including cold cathode, hot cathode, slimline, high output, and UV LEDs that vary in their applications and features.
Ionizing radiation can effectively sterilize organisms without increasing temperature through mechanisms like producing reactive molecules that damage DNA and proteins. X-rays, gamma rays, and electron beams are common sources of ionizing radiation used for sterilization. X-rays have advantages like deeper penetration and faster processing compared to gamma rays and electron beams. Gamma rays also effectively sterilize through breaking down DNA, and are used for sterilizing medical devices and foods. UV light is another sterilization method using UVC wavelengths to damage nucleic acids and disrupt DNA/RNA of microbes. It is effective against bacteria and viruses and used for sterilizing air, water, and surfaces.
This document discusses using UV-C radiation as a solution to keep HVAC cooling coils clean and prevent the growth of microorganisms. It notes that cooling coils are ideal breeding grounds for fungi, viruses and bacteria which reduce efficiency. UV-C radiation destroys microorganisms' ability to reproduce by affecting their DNA. Using UV-C lamps on AHU coils prevents further growth and keeps the coils clean without regular chemical cleanings. This solution increases efficiency and air quality while reducing operating costs by over 10%.
Ultraviolet (UV) rays come from the sun and other sources like tanning beds. There are different types of UV rays based on their energy levels, with higher-energy rays being more damaging. UV rays are mainly absorbed by skin and can cause sunburn, skin damage, and skin cancer over time. People are exposed to UV rays from the sun as well as some artificial sources. While UV rays have some benefits, overexposure is best avoided through clothing, sunscreen, and limiting time in the sun or tanning beds.
The document discusses the electromagnetic spectrum and applications of different types of electromagnetic waves. It begins by explaining that electromagnetic waves are produced by moving electrons and consist of oscillating electric and magnetic fields. It then describes the main components of the electromagnetic spectrum from gamma rays to radio waves in order of decreasing frequency and increasing wavelength. Finally, it provides examples of applications of different types of electromagnetic waves, including using radio waves for communication, microwaves for satellite TV, infrared for remote controls, light for fiber optics, ultraviolet for sterilization, x-rays for medical imaging, and gamma rays for radiation therapy.
Cylindrical Lenses focuses light in only one dimension. Similar to a PCX lens in profile, but is a portion of a cylinder instead of a sphere. Make an Inquiry to Optica for any requirement related to Lens Optics.
For Details
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Visit - https://www.opticsindia.com/optical-lenses/
Optica Dichroic Filters Series have been designed with the assistant of entertainment and architectural lighting designers, which provided a comprehensive selection of consistent shades express perfect images for both interior and exterior applications. If you need an IR or Narrow bandpass interference filter, We are here to help you with your requirement. Visit Us or Call Now!
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Their high transmission makes them ideal for most industrial and laser protecting applications. We offer a wide range of High-Quality germanium glass windows. Reach Us Today!
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Equilateral prisms have three equal 60° angles and are also referred to as dispersing prisms. Equilateral prisms are used for wavelength separating applications. Make an Inquiry to Optica for any requirement related to Glass Triangular Prism.
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An Off-Axis Parabolic mirror collects collimated light and focuses it at a specific angle outside the incoming light path. If you need Off-Axis Parabolic Mirrors, We are here to help you with your requirement. Visit Us or Call Now!
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Cylinder lenses can transform a point of light into a line image. Optica is an expert in manufacturing optical lenses and cylinder lenses, including apochromatic lenses. Optica encourages contacting them via email or visiting their website for more details on their lens products.
This document discusses colored optical glass filters that are used for longpass and bandpass filters. They are made by coating a substrate and cementing it with colored glass that has different absorption and transmission properties across the spectrum. It advertises that the company is a leading manufacturer of these colored optical glass filters and invites the reader to get a quick quote.
You can Look into the range of LED Lens listed below and the data-sheet can be downloaded for respective Lens as well with different LEDs. Optica is the leading manufacturer of led lens reflector. Make an Inquiry for any requirement related to the LED lens types.
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Always windows are AR coated to eliminate reflection, so AR coated windows offer improved transmission when used in industrial displays or computer monitors. If you need sapphire Optical transmission Windows, We are here to help you with your requirement. Visit Us or Call Now!
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Our micro Penta Prism and Right Angle Prism are widely used in optical communication, such as optical switches. Searching for prism glasses? You are at the right place, Optica is expertise in the manufacturing of optical Glass Prisms. Contact Us Today!
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Achromatic Lenses deliver high performance when the application involves small fields of view, typically up to 6 degrees. Their image quality surpasses that of singlets. At Optica, Cylindrical Optical Lens is available in Standard & Customized Ranges. Get in Touch with Us!
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Cube beam splitters consist of two identical right-angle prisms with their hypotenuse faces cemented together. Make an Inquiry to Optica for any requirement related to Glass Beam Splitters.
If you require Precision Optical Components, We are here to help you with your requirement. Visit Us or Call Now!
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Optica manufactures Polymer LED Lens for Street Lighting, Flood Lighting & High Bay Lighting, Narrow Beam Lighting, Down Lighting & Glass lens for COB LED. Searching for led lenses? You are at the right place, Optica is expertise in the manufacturing of led optics lenses. Contact Us Today!
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Optical Windows are optical glass with polished faces that are relatively parallel. They are used to protect laser output. Looking for Optical Windows? Look no further! We are the leading manufacturer of optical transmission glass windows. Get a Quick Quote Now!
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OPTICA provides many kinds of high precision prisms, including Penta Prism, Beam splitter Penta Prism, Right Angle Prism, and Corner Cube. At Optica, Optical Prisms are available in Standard & Customized Ranges. Get in Touch with Us!
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Optica gives high vitality accuracy mirrors to laser depressions and requesting applications. We offer a wide range of High-Quality Laser Optical Mirror. Reach Us Today!
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Optica manufactures Polymer LED Lens for Street Lighting, Flood Lighting & High Bay Lighting, Narrow Beam Lighting, Down Lighting & Glass lens for COB LED. Searching for led lenses? You are at the right place, Optica is expertise in the manufacturing of led optics lenses. Contact Us Today!
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End-tidal carbon dioxide (ETCO2) is the level of carbon dioxide that is released at the end of an exhaled breath. ETCO2 levels reflect the adequacy with which carbon dioxide (CO2) is carried in the blood back to the lungs and exhaled.
Non-invasive methods for ETCO2 measurement include capnometry and capnography. Capnometry provides a numerical value for ETCO2. In contrast, capnography delivers a more comprehensive measurement that is displayed in both graphical (waveform) and numerical form.
Sidestream devices can monitor both intubated and non-intubated patients, while mainstream devices are most often limited to intubated patients.
Mental Health and well-being Presentation. Exploring innovative approaches and strategies for enhancing mental well-being. Discover cutting-edge research, effective strategies, and practical methods for fostering mental well-being.
VEDANTA AIR AMBULANCE SERVICES IN REWA AT A COST-EFFECTIVE PRICE.pdfVedanta A
Air Ambulance Services In Rewa works in close coordination with ground-based emergency services, including local Emergency Medical Services, fire departments, and law enforcement agencies.
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As Mumbai's premier kidney transplant and donation center, L H Hiranandani Hospital Powai is not just a medical facility; it's a beacon of hope where cutting-edge science meets compassionate care, transforming lives and redefining the standards of kidney health in India.
This particular slides consist of- what is hypotension,what are it's causes and it's effect on body, risk factors, symptoms,complications, diagnosis and role of physiotherapy in it.
This slide is very helpful for physiotherapy students and also for other medical and healthcare students.
Here is the summary of hypotension:
Hypotension, or low blood pressure, is when the pressure of blood circulating in the body is lower than normal or expected. It's only a problem if it negatively impacts the body and causes symptoms. Normal blood pressure is usually between 90/60 mmHg and 120/80 mmHg, but pressures below 90/60 are generally considered hypotensive.
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A Fit-to-Fly PCR Test is a crucial service for travelers needing to meet the entry requirements of various countries or airlines. This test involves a polymerase chain reaction (PCR) test for COVID-19, which is considered the gold standard for detecting active infections. At our travel clinic in Leeds, we offer fast and reliable Fit to Fly PCR testing, providing you with an official certificate verifying your negative COVID-19 status. Our process is designed for convenience and accuracy, with quick turnaround times to ensure you receive your results and certificate in time for your departure. Trust our professional and experienced medical team to help you travel safely and compliantly, giving you peace of mind for your journey.www.nxhealthcare.co.uk
This particular slides consist of- what is Pneumothorax,what are it's causes and it's effect on body, risk factors, symptoms,complications, diagnosis and role of physiotherapy in it.
This slide is very helpful for physiotherapy students and also for other medical and healthcare students.
Here is a summary of Pneumothorax:
Pneumothorax, also known as a collapsed lung, is a condition that occurs when air leaks into the space between the lung and chest wall. This air buildup puts pressure on the lung, preventing it from expanding fully when you breathe. A pneumothorax can cause a complete or partial collapse of the lung.
Hypertension and it's role of physiotherapy in it.Vishal kr Thakur
This particular slides consist of- what is hypertension,what are it's causes and it's effect on body, risk factors, symptoms,complications, diagnosis and role of physiotherapy in it.
This slide is very helpful for physiotherapy students and also for other medical and healthcare students.
Here is summary of hypertension -
Hypertension, also known as high blood pressure, is a serious medical condition that occurs when blood pressure in the body's arteries is consistently too high. Blood pressure is the force of blood pushing against the walls of blood vessels as the heart pumps it. Hypertension can increase the risk of heart disease, brain disease, kidney disease, and premature death.
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CHAPTER 1 SEMESTER V COMMUNICATION TECHNIQUES FOR CHILDREN.pdfSachin Sharma
Here are some key objectives of communication with children:
Build Trust and Security:
Establish a safe and supportive environment where children feel comfortable expressing themselves.
Encourage Expression:
Enable children to articulate their thoughts, feelings, and experiences.
Promote Emotional Understanding:
Help children identify and understand their own emotions and the emotions of others.
Enhance Listening Skills:
Develop children’s ability to listen attentively and respond appropriately.
Foster Positive Relationships:
Strengthen the bond between children and caregivers, peers, and other adults.
Support Learning and Development:
Aid cognitive and language development through engaging and meaningful conversations.
Teach Social Skills:
Encourage polite, respectful, and empathetic interactions with others.
Resolve Conflicts:
Provide tools and guidance for children to handle disagreements constructively.
Encourage Independence:
Support children in making decisions and solving problems on their own.
Provide Reassurance and Comfort:
Offer comfort and understanding during times of distress or uncertainty.
Reinforce Positive Behavior:
Acknowledge and encourage positive actions and behaviors.
Guide and Educate:
Offer clear instructions and explanations to help children understand expectations and learn new concepts.
By focusing on these objectives, communication with children can be both effective and nurturing, supporting their overall growth and well-being.
3. • Historically, ultraviolet (UV) light has been used to disinfect water, surfaces and
the air.You may wonder if this technology works against airborne microbes or
generally improves the air quality of your home.This article will describe how UV
air purifiers work, whether they have been shown to be effective in cleaning the air
and their potential safety concerns.
4. What are UV light air purifiers?
• UV air purifiers are designed to use short-wave ultraviolet light (UV-C light) to
inactivate airborne pathogens and microorganisms like mold, bacteria and viruses.
They have the same ultimate goal of all air purifiers: to reduce indoor air
pollutants.The technology is also referred to as UV germicidal irradiation, or UVGI
air purifiers.This is different from other air purifier technologies that contain UV
light technology but do not use it directly against air pollutants.
5. • On the market, UV-C air purifiers are currently sold as stand-alone, freestanding
devices or as systems installed into pre-existing residential or commercial HVAC
units. As air is forced through the device, it passes UV lamps, which directly
attempt to disinfect the air by means of germicidal irradiation.The biggest safety
concern is that ozone may be generated during this process.
• Rarely a stand-alone product, UV-C light air purifiers often require additional
systems for full effectiveness and are most often included in larger High-efficiency
Particulate Arrestance (HEPA) air filtration systems. In fact, the EPA says that a
UV-C air purifier does not seem effective as a stand-alone unit because it cannot
trap or remove particles.
6. Background on ultraviolet light
• Germicidal UV light has been used in the treatment of tuberculosis and to disinfect
hospitals, kitchens, meat processing plants and laboratories.
• Electromagnetic radiation takes on many forms–from visible light to radio
waves to ultraviolet light. Here is some background on how different forms of
light have different energy levels:
• Light is made up of tiny particles called photons. As they travel, they vibrate back
and forth and trace a wave in space.The quicker they vibrate, the shorter the
distance between each wave.The slower the vibration, the longer the distance
between each wave.This wave-to-wave distance is called the light’s wavelength.
Long waves with slower vibrating photons have less energy. Short waves with
quicker vibrating particles have more energy.
7. Depending on their molecular makeup,
different materials in the world reflect and
absorb different wavelengths of light:
• Visible light has a wavelength between 400-700 nanometers long—the range that
affects the light receptors of your eyes.
• Infrared light, which you can feel as heat, is longer (700 to 1M nanometers).
• Ultraviolet, which you cannot feel or see, is shorter than visible light at 100 to 400
nanometers.
• Photons transmit electromagnetic energy when they encounter matter, and
ultraviolet light has high levels of energy.
• Ultraviolet light: UV-A, UV-B and UV-C
8. Ultraviolet is split into three sections:
• UV-A light: 315–400 nanometers with photons that vibrate just a little faster than
visible light
• UV-B light: 280–315 nanometers, with photons that vibrate even faster
• UV-C light: 100–280, with photos that vibrate the fastest and carry the most
energy
9. • Prolonged exposure to UVC light can cause temporary eye and skin damage, so
extra precautions should be taken if directly working with or around UVC lamps.
Today, UV light is mainly used to complement other established methods of
disinfecting and “sterilizing” sensitive scientific and medical equipment and
spaces, though such irradiative cleaning systems have found their way into
residential and commercial applications by UV light’s popularization as a purifier in
the past two decades.These products fall within the scope and exigency of
improving cleanliness and reducing environmental pollution, rather than
combating infectiousness.