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Define the terms numerical aperture, critical angle, propagating modes and micro bands in the context of an optical fiber.
written 7.9 years ago by gravatar for teamques10 teamques10 ★ 65k •   modified 7.9 years ago

Mumbai University > Electronics and Telecommunication > Sem7 > Optical Communication and Networks

Marks: 5M

Year: May 2012
optical fiber communication
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written 7.9 years ago by gravatar for teamques10 teamques10 ★ 65k •   modified 7.9 years ago

1. Numerical Aperture:

  • It is defined as the light gathering capability of an optical fiber.

  • It is the ability of fiber to collect the light from the source and save the light inside it by maintaining the condition of total internal reflection.

The Numerical Aperture is given by:

N.A= ${n_1}*(2∆)^{1/2}$ …

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