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91
An optical fiber has core-index of 1.480 and a cladding index of 1.478. What should be the core size for single mode operation at 1310nm?
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Answer: Option D
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92
The differential attenuation of modes reduces intermodal pulse broadening on a multimode optical link.
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Answer: Option A
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93
Self-phase modulation can be used for . . . . . . . .
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Answer: Option B
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94
A 4 km optical link consists of multimode step index fiber with core refractive index of 1.3 and a relative refractive index difference of 1%. Find the delay difference between the slowest and fastest modes at the fiber output.
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Answer: Option A
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95
High frequency optical phonon is generated in stimulated Raman scattering.
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Answer: Option B
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96
The phonon is a quantum of an elastic wave in a crystal lattice.
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Answer: Option A
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97
Non-zero-dispersion-shifted fiber was introduced in the year 2000.
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Answer: Option B
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98
Stimulated Brillouin scattering is mainly a . . . . . . . .
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Answer: Option B
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99
A device that reduces the intensity of light in optical fiber communications is . . . . . . . .
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Answer: Option B
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100
A multimode step index fiber has source of RMS spectral width of 60nm and dispersion parameter for fiber is 150psnm-1km-1. Estimate rms pulse broadening due to material dispersion.
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Answer: Option C
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