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Why do an optical fiber consist of 2 layers of glass since the light does not pass through the walls of the optical fiber?
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What is an optical fiber?
#Optical fiber consist of a central core made of class or plastic which is surrounded by a cladding of material of refractive index slightly less than that of core and a protective jacket of insulating material. There are three types of optical fiber configuration.
Which electromagnetic radiations can be transmitted through an optical fiber?
Visible light.
Is optical fiber unidirectional?
The optical fiber can be used both as unidirectional and bidirectional. The main application of optical fiber is in long-distance links, so there exists no need to employ them as unidirectional. For each direction different wavelengths are used to modulat the signals. At the same time many bidirectional signals can travel through the same optical fiber.
Is optical fiber ihollow or not?
The main part of an optical fiber is a glass fiber (NOT hollow) within another glass fiber of another type of glass. Both types of glass have a different index of refraction; the signal travels through the inner glass fiber.
Is fiber optic cable is for the environment?
Yes ,The optical fiber elements are typically individually coated with plastic layers and contained in a protective tube suitable for the environment where the cable will be deployed.
What is the optical range of optical fiber?
40 GHz
A modern device that often has its signals carried through wires or glass optical fiber is a what?
telephone
Does the gauge of fiber optical audio cable affect the audio quality?
No. As long as the signal is getting through, the gauge of the optical connection makes no difference.
How does an optical transmitter sends signals to the optical fiber?
Usually, there is a laser diode that is optically coupled to the fiber.
Is cross talk is possible in optical fiber?
One of the advantages of optical fiber is that it is NOT susceptible to cross-talk.
Why is optical fiber is small?
The light will be considered energy and that energy bounces side to side through the fiber. There is a constant loss. So the smaller the fiber the less loss you would have.
Objective type question on optical fiber?
An objective type of question on optical fiber is on that focuses on the integral part of fiber optic. A good question would be, " Why are optical fibers immune to EMI? "
