An optical fiber has a numerical aperture of 0.20 and a cladding refractive index of 1.59.

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written 7.9 years ago by

iphone89 • 50

modified 7.9 years ago by

sanketshingote • 100

a) Determine the acceptance angle of the fiber in water that has a refractive index of 1.33.

b. Determine the critical angle at the core-cladding interface.

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