Q101
Open questionThe beating between light at different frequencies or wavelengths in multichannel fiber transmission causes . . . . . . . .
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ECE · all questionsOptical Communication
Optical Communication
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Q102
Open questionHow many categories of nonlinear effects are seen in optical fibers?
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Q103
Open questionChromatic dispersion is also called as intermodal dispersion.
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Q104
Open questionConventional optical fibers has more transmission losses than photonic crystal fibers.
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Q105
Open questionThe in-homogeneities in Mie scattering can be reduced by coating of a fiber.
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Q106
Open questionMeridional rays in graded index fibers follow . . . . . . . .
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Q107
Open questionDispersion-shifted single mode fibers are created by . . . . . . . . .
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Q108
Open questionA decibel may be defined as the ratio of input and output optical power for a particular optical wavelength.
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Q109
Open questionStimulated Raman scattering occur in . . . . . . . .
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Q110
Open questionA single mode fiber has a beat length of 4cm at 1200nm. What is birefringence?
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Q111
Open questionIntermodal dispersion in multimode fibers is minimized with the use of step-index fibers.
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Q112
Open questionLosses in photonic crystal fibers are reduced to a level of . . . . . . . .
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Q113
Open questionWhich is the unit of measurement of attenuation in optical fibers?
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Q114
Open questionDominant intrinsic loss mechanism in low absorption window between ultraviolet and infrared absorption tails is . . . . . . . .
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Q115
Open questionIn index-guided photonic crystal fiber structure, the dark areas are air holes. What does white areas suggests?
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Q116
Open questionAfter Total Internal Reflection the Meridional ray . . . . . . . .
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Q117
Open questionA multimode fiber has RMS pulse broadening per km of 12ns/km and 28ns/km due to material dispersion and intermodal dispersion resp. Find the total RMS pulse broadening.
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Q118
Open questionThe index profile of a core of multimode graded index fiber is given by?
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Q119
Open questionA multimode step index fiber has a normalized frequency of 72. Estimate the number of guided modes.
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Q120
Open questionStimulated Raman scattering may have an optical power threshold of may be three orders of magnitude . . . . . . . .
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