Answer to Question #71769 in Optics for mahmoud

Question

The velocity of light in the core of a step index fiber is 2.01x108 m/sec, and
the critical angle at the core-in cladding interfaces 80 degree .Determine the
numerical aperture and the acceptance angle at the fiber in air, assuming it
has a core diameter suitable for consideration by ray analysis .The velocity of
light in vacuum is 3x 108 m/sec

Answer 1

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