4. (a) A fiber has modal dispersion of 10ns/km. If an instantaneous light pulse travelled 20 km in this fiber, what would the pulse length be at the 20km point form the beginning of the fiber. (b) Which of the following dispersion problems will be of concern when transmiting a monochromatic light through a single-mode step-index fiber? (a) Chromatic dispersion, (b) Modal dispersion, (c) Polarization mode dispersion. Please list all that apply.

4. (a) A fiber has modal dispersion of 10ns/km. If an instantaneous light pulse travelled 20 km in this fiber, what would the pulse length be at the 20km point form the beginning of the fiber. (b) Which of the following dispersion problems will be of concern when transmiting a monochromatic light through a single-mode step-index fiber? (a) Chromatic dispersion, (b) Modal dispersion, (c) Polarization mode dispersion. Please list all that apply.

Inquiry into Physics

8th Edition

ISBN:9781337515863

Author:Ostdiek

Publisher:Ostdiek

Chapter9: Optics

Section: Chapter Questions

Problem 32Q

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