OSP Optical Fiber Flashcards
1
Q
Singlemode fiber has a __________ light-carrying core than multimode fiber.
A. Smaller
B. Larger
C. Same size
A
A. Smaller
2
Q
What is the core size of 1300 - 1550 nm singlemode fiber? A. 5 mm B. 9 microns C. 50 microns D. 63.5 microns
A
B. 9 microns
3
Q
Singlemode fiber has __________ bandwidth than multimode fiber.
A. More
B. Less
C. The same
A
A. More
4
Q
What wavelengths are appropriate for use with singlemode fiber? A. 650 & 850 nm B. 850 & 1300 nm C. 1310 & 1550 nm D. 850 & 1490 nm
A
C. 1310 & 1550 nm
5
Q
The diameter of the core in OM2 and OM3 multimode fiber is how large? A. 50 microns B. 62.5 microns C. 62.5 mm D. 9 mm
A
A. 50 microns
6
Q
Which of the following fiber specifications is most important to the user and is an important factor in testing? A. Attenuation B. Bandwidth C. Numerical aperture D. Core-cladding concentricity
A
A. Attenuation
7
Q
The largest contributor to fiber attenuation is \_\_\_\_\_\_\_\_\_\_. A. Absorption B. Scattering C. Bending losses D. Microbends
A
B. Scattering
8
Q
Which fiber typically has the largest core? A. POF B. Multimode Step Index C. Multimode Graded Index D. Singlemode
A
A. POF
9
Q
The loss of a singlemode fiber is lowest at \_\_\_\_\_\_\_\_\_\_. A.850 nm B. 1300 nm C. 1310 nm D. 1550 nm
A
D. 1550 nm
10
Q
Which type of dispersion affects singlemode fiber as well as multimode fiber? A. Modal B. Differential C. Chromatic D. Polarization mode
A
C. Chromatic
11
Q
Multiple Response: Identify one or more choices that best complete the statement or answer the question.
Which types of dispersion needs to be tested in long singlemode fiber links? A. Modal B. Differential Modal C. Chromatic D. Polarization mode
A
C. Chromatic
D. Polarization mode
