How Fiber optics Work ・5 Key word1,fiber-optic cables2,Fiber optics3,total internal reflection4,mode fibers5,Transmitter
< 3 sentences >1・Fiber optics (optical fibers) are long,thin strands of very pure glass aboutthe diameter of a human hair. thatcarry digital information over longdistances.2・The transmitter is like the sailor onthe deck of the sending ship. Itreceives and directs the optical deviceto turn the light "on" and "off" in the
correct sequence, therebygenerating a light signal 3・Suppose youwant to shine aflashlight beam down a long,straight hallway.
3. Why are these sentences important?1, Because,the cable is using to TV.They are also used is imageing andmechanicsl engineering inspection.And It is very thin .So, It is to beuseful various field.
2,Because ,It is very convenient.The cable is that our life is veryabundant.The cable is using toflash,and it is fast to cannectionInternet.
3,The flashlight is using to flash toconnect.It is can cannect to Internerby using various techniqul.The function is innovative.