MT 3 SCTE Exam Questions and
Answers
Microbending occurs when conditions for total internal reflection are no longer met in optical fiber. -
Answer-FALSE
Which is the core of fiber optic cable made out of? - Answer-Silica
It is the simplest, cost effective, least performing type of laser transmitter that exhibits high dispersion. -
Answer-FP
What design offers bi-directional communication for fiber optic cables? - Answer-Duplex
Where are cable operator signals the most weakest and distorted? - Answer-Photodiode detector
First stage amplifier
A self supporting cable used in aerial installations such as pole to pole or pole to building. - Answer-
Figure 8
A change in the mode field diameter results in a change in: - Answer-A Change in signal velocity
, At the headend the transmit DFB LASER reads 4.4 MW. What is the 4.4 MW in dBm??? - Answer-6.43
What is the generation of backwards propagation stokes waves or acoustic waves affecting high
powered LASERS and amplifiers called? - Answer-Stimulated Brillouin Scattering
What wavelength provides the minimum attenuation for fiber optic cable? - Answer-1550
What device is used to test the optical power in an FTTx system where multiple wavelengths are used? -
Answer-PON Power Meter
In what form does a fiber optic system transmit information to match the electrical signal level by using
these varying intensities? - Answer-Analog modulation
Exposure to .005W (5mw) to .500w (500MW) LASER can cause all EXCEPT - Answer-Skin Burns
What is the limit for peak to peak variation in visual signal amplitude caused by undesired low frequency
disturbance or HUM? - Answer-Maintain Less than 3%
A peak power LASER wavelength at 1000nm with a spectral bandwidth of ___ nm will have an output
ranging from 980 to 1020 nm. - Answer-40
What is the typical source of amplifier noise in a LASER transmitter? - Answer-Random variations in
LASER amplitude output
Indicates the path that a ray of light can travel in an optical fiber. - Answer-Mode
What is generated in all optical fiber by distributed back reflection mainly due to rayleigh scattering? -
Answer-Interferometric intensity noise
Answers
Microbending occurs when conditions for total internal reflection are no longer met in optical fiber. -
Answer-FALSE
Which is the core of fiber optic cable made out of? - Answer-Silica
It is the simplest, cost effective, least performing type of laser transmitter that exhibits high dispersion. -
Answer-FP
What design offers bi-directional communication for fiber optic cables? - Answer-Duplex
Where are cable operator signals the most weakest and distorted? - Answer-Photodiode detector
First stage amplifier
A self supporting cable used in aerial installations such as pole to pole or pole to building. - Answer-
Figure 8
A change in the mode field diameter results in a change in: - Answer-A Change in signal velocity
, At the headend the transmit DFB LASER reads 4.4 MW. What is the 4.4 MW in dBm??? - Answer-6.43
What is the generation of backwards propagation stokes waves or acoustic waves affecting high
powered LASERS and amplifiers called? - Answer-Stimulated Brillouin Scattering
What wavelength provides the minimum attenuation for fiber optic cable? - Answer-1550
What device is used to test the optical power in an FTTx system where multiple wavelengths are used? -
Answer-PON Power Meter
In what form does a fiber optic system transmit information to match the electrical signal level by using
these varying intensities? - Answer-Analog modulation
Exposure to .005W (5mw) to .500w (500MW) LASER can cause all EXCEPT - Answer-Skin Burns
What is the limit for peak to peak variation in visual signal amplitude caused by undesired low frequency
disturbance or HUM? - Answer-Maintain Less than 3%
A peak power LASER wavelength at 1000nm with a spectral bandwidth of ___ nm will have an output
ranging from 980 to 1020 nm. - Answer-40
What is the typical source of amplifier noise in a LASER transmitter? - Answer-Random variations in
LASER amplitude output
Indicates the path that a ray of light can travel in an optical fiber. - Answer-Mode
What is generated in all optical fiber by distributed back reflection mainly due to rayleigh scattering? -
Answer-Interferometric intensity noise
