Q. 1 (a) A step-index fiber has a core diameter of 12-μm. The core refractive index is 1.445 and a relative refractive index difference Δ of 0.2% at operating wavelength 1.3-μm. i.How much is the velocity of light within the core of this fiber? ii.How many modes can this fiber support? iii.Determine the condition of the relative refractive index difference Δ to make the fiber operate in the single mode at operating wavelength 1.2-μm.

Q. 1 (a) A step-index fiber has a core diameter of 12-μm. The core refractive index is 1.445 and a relative refractive index difference Δ of 0.2% at operating wavelength 1.3-μm. i.How much is the velocity of light within the core of this fiber? ii.How many modes can this fiber support? iii.Determine the condition of the relative refractive index difference Δ to make the fiber operate in the single mode at operating wavelength 1.2-μm.

University Physics Volume 3

17th Edition

ISBN:9781938168185

Author:William Moebs, Jeff Sanny

Publisher:William Moebs, Jeff Sanny

Chapter3: Interference

Section: Chapter Questions

Problem 47P: To save money on making military aircraft invisible to radar, an inventor decides to coat them with...

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