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Fiber optics is a communication _______ used to transmit information -
✔✔medium
The information travels in the form of light through _________ - ✔✔high-
purity glass
Why does Corning fiber optic solutions use glass instead of plastic? -
✔✔Because the high-purity glass allows for lower loss solutions
When is plastic fiber used? - ✔✔Used to cover short distances (normally
under a foot)
What is the unit of measurement for the diameter or a fiber? - ✔✔(um)
micron or micrometer
A coated optical fiber = _____ um - ✔✔250
1
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, What unit of measurement is used for cable diameter? - ✔✔(mm)
millimeter
1 um = ______ - ✔✔one millionth of a meter
What unit of measurement is used for wavelengths? - ✔✔(nm) nanometer
What three things are required to make an optical system? - ✔✔1. Optical
fiber and cable
2. Fiber termination
3. Demarcation hardware
What is the typical order of a transmission sequence? - ✔✔1. Information is
encoded into electrical signals
2. Electrical signals are converted to digital or analog light signals
3. The light travels through the fiber
4. A detector changes the light signals into electrical signals
5. Electrical signals are decoded into information
2
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