FUNDAMENTALS OF COMPUTER

TELECOMMUNICATIONS SYSTEMS

NETWORK ARCHITECTURE

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
What is the core of a fiber optic cable made of?
A
Copper
B
Wire
C
Glass
D
Rubber
Explanation: 

Detailed explanation-1: -A fibre optic cable is made from a glass or plastic core that carries light surrounded by glass cladding that (due to its lower refractive index) reflects “escaping” light back into the core, resulting in the light being guided along the fibre.

Detailed explanation-2: -Fiber optic cable is made of many thin strands of coated glass fibers. Each measures about eight microns-that’s smaller than a strand of human hair. Digitized information is “coded, ” or placed on to light pulses for transmission. It travels along the glass fiber at the speed of light-186, 000 miles per second.

Detailed explanation-3: -The core of a conventional optical fiber is the part of the fiber that guides the light. It is a cylinder of glass or plastic that runs along the fiber’s length. The core is surrounded by a medium with a lower index of refraction, typically a cladding of a different glass, or plastic.

Detailed explanation-4: -Silica glass is the most commonly used in manufacturing because it exhibits fairly good optical transmission over a wide range of wavelengths. Silica can be drawn into fibers at reasonably high temperatures and has a fairly broad glass transformation range.

There is 1 question to complete.