Ex.3. The acceptance angle of an optical fiber in air is 22° and has a relative refractive index difference of 3%. Estimate the numerical aperture and the critical angle of the core – cladding interface for the fiber.

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Ex.3. The acceptance angle of an optical fiber in air is 22° and has
a relative refractive index difference of 3%. Estimate the numerical
aperture and the critical angle of the core - cladding interface for
the fiber.
(Ans.: 0.37, 75.9º)
Transcribed Image Text:Ex.3. The acceptance angle of an optical fiber in air is 22° and has a relative refractive index difference of 3%. Estimate the numerical aperture and the critical angle of the core - cladding interface for the fiber. (Ans.: 0.37, 75.9º)
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