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An optical fiber has a numerical aperture of 0.20 and a cladding refractive index of 1.59.
written 6.0 years ago by gravatar for iphone89 iphone89 • 50 modified 6.0 years ago by gravatar for sanketshingote 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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