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Q. |
In waveguide dispersion, refractive index is independent of |
A. | bit rate |
B. | index difference |
C. | velocity of medium |
D. | wavelength |
Answer» D. wavelength | |
Explanation: in material dispersion, refractive index is a function of optical wavelength. it varies as a function of wavelength. in wavelength dispersion, group delay is expressed in terms of normalized propagation constant instead of wavelength. |
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