Fiber Optics Test with Complete Solutions Graded A+
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Module
Fiber Optics
Institution
Fiber Optics
Fiber Optics Test with Complete Solutions Graded A+
Which pat of the fiber optic system can suffer due to Fresnel reflections - Answer connecter
Listed from innermost to outermost, the components of an optical fiber are - Answer core cladding coating
A fiber tensile strength refers to - An...
Fiber Optics Test with Complete
Solutions Graded A+
Which pat of the fiber optic system can suffer due to Fresnel reflections - Answer ✔
connecter
Listed from innermost to outermost, the components of an optical fiber are - Answer ✔
core cladding coating
A fiber tensile strength refers to - Answer ✔ how much strength it can handle
The perform used in manufacturing optical fiber is - Answer ✔ a shorter thicker version
of fiber
In most manufacturing processes the actual fiber starts out as - Answer ✔ soot
Modes are - Answer ✔ potential paths for light
Which of these numbers could describe the number of modes in a fiber - Answer ✔ 675
A refractive index profile expresses - Answer ✔ the relationship between the ore Ri and
the cladding Ri
Modal dispersion is caused when - Answer ✔ light rays follow different paths along the
fiber core
Graded index fiber overcomes modal dispersion - Answer ✔ increasing the velocity of
rays that travel the farthest
Single mode fibers overcome modal dispersion by - Answer ✔ only allowing one mode
to pass
Single mode fibers can become a multimode fiber if - Answer ✔ the wavelength is short
enough
In a single mode fiber the mode field diameter measures - Answer ✔ the diameter of
light
, The single mode depressed clad optical fiber has - Answer ✔ three levels of refractive
indexes
What government agency writes and enforces safety rules for workplace - Answer ✔
OSHA
how often should you inspect your personal protective equipment - Answer ✔ whenever
you use it
Because infrared laser cannot be seen they - Answer ✔ are especially dangerouse for
your eye
Class 111a Laser operate at power levels of - Answer ✔ 1-5mW
The adhesive portion of anaerobic epoxy is - Answer ✔ a skin irritant
what is dispersion - Answer ✔ the spreading of light
whats does dispersion affect most in a fiber optic signal - Answer ✔ Bandwith
what causes modal dispersion - Answer ✔ light rays takes different possible paths
through the fiber
Material dispersion Is partly dependent on - Answer ✔ the spectral width of the source
where does wave guided dispersion take place - Answer ✔ in the core and cladding
chromatic dispersion is - Answer ✔ a combination of wave guide and dispersion and
material dispersion
how does dispersion shifted fiber reduce chromatic dispersion - Answer ✔ it shifts the
point of dispersion to the wavelength
what was the earliest advantages that light held over other forms of communication -
Answer ✔ B. ability to carry messages quickly
the experiments in which light could b seen in water draining from a vessel proved that -
Answer ✔ C. light could be guided through some materials
some of the earliest attempts to carry light through glass fibers took place because
researchers were trying to - Answer ✔ A. view images from inside the human body
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