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Modal Dispersion. A step-index fiber of numerical aperture NA = 0.16, core radius a 45 um, and core refractive index n, = 1.45 is used at A, = 1.3 um, where material dispersion is negligible. If a light pulse of very short duration enters the fiber at t = 0 and travels a distance of 1 km, sketch the shape of the received pulse: (a) Using ray optics and assuming that only meridional rays are allowed. (b) Using wave optics and assuming that only meridional (l = 0) modes are allowed. %3D

Modal Dispersion. A step-index fiber of numerical aperture NA = 0.16, core radius a 45 um, and core refractive index n, = 1.45 is used at A, = 1.3 um, where material dispersion is negligible. If a light pulse of very short duration enters the fiber at t = 0 and travels a distance of 1 km, sketch the shape of the received pulse: (a) Using ray optics and assuming that only meridional rays are allowed. (b) Using wave optics and assuming that only meridional (l = 0) modes are allowed. %3D

Introductory Circuit Analysis (13th Edition)
Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
Chapter1: Introduction
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Problem 1P: Visit your local library (at school or home) and describe the extent to which it provides literature...
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9.2-2 Modal Dispersion. A step-index fiber of numerical aperture NA = 0.16, core radius a = 45 um, and core refractive index n, = 1.45 is used at A, = 1.3 um, where material dispersion is negligible. If a light pulse of very short duration enters the fiber at t = 0 and travels a distance of 1 km, sketch the shape of the received pulse: (a) Using ray optics and assuming that only meridional rays are allowed. (b) Using wave optics and assuming that only meridional (1 = 0) modes are allowed.
Transcribed Image Text:9.2-2 Modal Dispersion. A step-index fiber of numerical aperture NA = 0.16, core radius a = 45 um, and core refractive index n, = 1.45 is used at A, = 1.3 um, where material dispersion is negligible. If a light pulse of very short duration enters the fiber at t = 0 and travels a distance of 1 km, sketch the shape of the received pulse: (a) Using ray optics and assuming that only meridional rays are allowed. (b) Using wave optics and assuming that only meridional (1 = 0) modes are allowed.
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