The mean optical power launched into an optical fiber link is 1.5uw and the fiber has attenuation of 0.5 dB/km. Determine the maximum possible link length without repeaters when the minimum mean optical power level required at the detector is 2uw.

The mean optical power launched into an optical fiber link is 1.5uw and the fiber has attenuation of 0.5 dB/km. Determine the maximum possible link length without repeaters when the minimum mean optical power level required at the detector is 2uw.

University Physics Volume 3

17th Edition

ISBN:9781938168185

Author:William Moebs, Jeff Sanny

Publisher:William Moebs, Jeff Sanny

Chapter4: Diffraction

Section: Chapter Questions

Problem 106AP: What are the angular positions of the first and second minima in a diffraction pattern produced by a...

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Question

Qs 9. The mean optical power launched into an optical fiber link is 1.5uw and the fiber has
attenuation of 0.5 dB/km. Determine the maximum possible link length without repeaters
when the minimum mean optical power level required at the detector is 2µw.
Qs 10. A single mode fiber with V = 2.3 and mode of fused Silica (core) of ni = 1.458. The
numerical aperture of the fiber is 0.10. Compute the following. (a) n2 and radius of the core.
(b) Number of mode in the fiber for operation at 820nm.

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