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Multimode optical fiber has an optimum near parabolic graded-index profile. The source used is an LED having a spectral width of 25nm. The material dispersion
- Multimode optical fiber has an optimum near parabolic graded-index profile. The source used is an LED having a spectral width of 25nm. The material dispersion parameter is 30 /( . ) ps km nm. The pulse spread due to waveguide dispersion in this fiber is much smaller than the pulse spread due to material dispersion. The optical fiber has a numerical aperture of 0.40 and a core axis refractive index of 1.48.
a. Estimate the total pulse spread per kilometer within the fiber.
b. Estimate the bandwidth-length product of the fiber.
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Solution a The total Dispersion is given by sum of squares of Intermodal and Int...
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Fundamentals of Materials Science and Engineering An Integrated Approach
Authors: David G. Rethwisch
4th Edition
1118214226, 1118061608, 9781118214220, 978-1118061602
