holography is a method of producing a visual three-dimensions (3-D) image of an object by means of light wave patterns recorded on a photographic plate

1. USEOF HOLOGRAPHY

2. WHATISHOLOGRAPHY?
‘Holography’means the ‘science of producing holograms’.
“It is an advanced form of photography that allows an image to be
recorded in three dimensions.
“holography is a method of producing a visual three-dimensions
(3-D) image of an object by means of light wave patterns recorded
on a photographic plate”.
It is known as lens-less photography and produces life like images.
Holography techniques was invented by scientist ‘DENNIS
GABOR’

3. HOLOGRAMANDITSPROPERTIES:
“HOLOGRAM” is a photograph of an interference pattern which ,
when suitably illuminated by laser light, produces a 3D image.
PROPERTIES OF HOLOGRAM:
a. If you look at the holograms from different angles , you will see
objects from different perspectives , just like if you were looking at
a real object.
b. It shows divisible property i.e if you cut one in half , each half
contains whole views of the entire holographic image

4. WORKING OF HOLOGRAPHY
 Laser light : usually helium – neon (He-Ne) laser is used in hologram.
 Beam splitter is the device that uses mirrors and prisms to split laser
beam into two beams :
• Object beam
• Reference beam
 Mirrors directs the beams of light to correct locations.
 Holographic film records images at very high resolution.
 It can be seen through naked eye.
 Image floats in free space.

5. APPLICATIONSOF HOLOGRAPHY
Optical computers
Bio-medical Applications
Compact disk
Grocery store
Holographic Interferometery
Holographic Scanners
Holo-stores

6. OPTICALCOMPUTERS
• Optical computers will use holograms as “circuit elements”.
Biomedicalapplications
• Holograms are made inside live organs through optical
fibers, providing more details than any previous alternate
techniques.
Compactdiscs
• Compact discs players use holograms to handle light.
GROCERYSTORE
• Grocery store scanners use spinning holograms.

7. HOLOGRAPHICINTERFEROMETRY
• Holographic interferometry is used in numerous laboratories
for non-destructive testing.
HOLOGRAPHICSCANNERS
• Holographic scanners are used in store check-out counters for
reading the bar codes.
HOLOSTORE
• HOLOSTORE is a holographic computer memory system being
manufactured to replace your disc drive.
There are many other applications like video gaming live
room and it is also used for educational purposes.

8. ADVANTAGESANDDISADVANTAGESOFHOLOGRAPHY
ADVANTAGES
COST EFFECTIVE.
HIGHER STORAGE CAPACITY.
INCREASED FEASIBILITY OF
OBJECT (DEPTH).
ENABLES THE ACHIEVEMENT OF
MULTIPLE IMAGE ON A SINGLE
PLATE AND GIVE 3-D IMAGES.
ABILITY TO COMBINE WITH
OTHER TECHNOLOGIES.
DISADVANTAGES
PROVIDE STATIC IMAGES.
DOESN’T PRODUCE
IMAGES OF COMPLEX
MOVEMENT.
REQUIRES COMPLICATED
PRECISE MACHINERY TO
PRODUCE AND VIEW
IMAGE.
REFERENCE ILLUMINATION
BEAMS ARE COLLINEAR.

9. CONCLUSION
• Holographic technology has endless applications
as far as the human mind can imagine.
• Holographic technologies are not just about art or
business communication, they are more about
safety ,security , education, planning and the
strength of our civilization here and beyond .
• Holographic technology will became a very integral
part of human societies and civilizations in future.

10. PRESENTATIONBY -
•TALHAMOMIN(33)
•SUGAMPANDEY(34)
•ATHARVAPARAB(35)
•SIMRANPARDESHI (36)