The flashcards below were created by user
on FreezingBlue Flashcards.
- author "me"
- tags "block4.4"
- folders ""
- description "block4.4"
- fileName "block4.4"
- what is photon
- A unit of intensity of light
what is the speed of light
What is fiber optics?
the branch of science and technology devoted to the transmission of radiant power through optical fibers made of transparent materials, such as glass, fused silicon, or plastic
What is a fiber optic cable?
an assembly of one or more optical fibers, strength members, buffer, and perhaps other components all within an enveloping sheath or jacket
What is a lambda?
the 11th letter of the Greek alphabet
What is attenuation?
the decrease in power of a signal, light beam, or light wave over the entire length of an optical fiber and measured in dB/Km
When light travels from one medium to another, there are four possible effects that can occur. List all four below:
Out of the four possible effects listed in previous question, what are the two that require opaque substances?
What is refraction?
light is diffused (bent) as it passes through a substance
Out of the range listed in Question 5, what are the three most common wavelengths used for optical communication?
What is Total Internal Reflection?
is the optimal state achieved for any optical signal that traverses a fiber optic medium