Fiber Optics Fundamentals Test
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Fiber Optics Fundamentals Test
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25 Questions

1. What is signal attenuation in an optical fiber where P1=Input power and P0=Output power
2. Germanium avalanche photodiodes can be used for _______.
3. Index optical fibers are sometimes referred to as:
4. Hydrogen absorption by optical fiber causes _______.
5. Homodyne detection is used for _______.
6. Dispersion in optical fibers causes distortion in _______.
7. Dark line defects (DLDs) occur when:
8. For a multimode optical graded index fiber - the profile parameter (α) will be equal to:
9. For an ideal photo detector - the absorption coefficient must be ______.
10. What happens when dispersion occurs?
11. Scattering losses happen due to:
12. For a profile parameter (α)=1 - the profile shape of refractive index for a graded index fiber will be _______.
13. Avalanche photodiodes are ________.
14. What is the relationship between refractive index (n1) of core and refractive index (n2) of cladding for an optical fiber?
15. Near-field scanning method is used to measure:
16. SOLITON is a/an ______.
17. Refer to the figure above. The critical angle at the core cladding interface is given by:
18. COBRA (commutateur optique binaire rapide) is an ________.
19. Intersymbol interference (ISI) in optical fibers occurs due to ______.
20. When optical power is incident on the photo detector during the 0 bit period - then the system is said to exhibit _______.
21. Intermodal dispersion is less in a __________.
22. The information carrying capacity of optical fibers is in the range of:
23. Optical bandwidth (OB) relates to electrical bandwidth (EB) when
24. FDDI can support a data rate of
25. Which of the following is an Optical System Design Software?

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