A typical relative refractive difference for an optical fiber designed for long distance transmission is 1%. Estimate the NA and solid acceptance angle in air for the fiber, when the core index is 1.46. Further calculate the critical angle at the core cladding interface within the fiber

A typical relative refractive difference for an optical fiber designed

1.	A typical relative refractive difference for an optical fiber designed for long distance transmission is 1%. Estimate the NA and solid acceptance angle in air for the fiber, when the core index is 1.46. Further calculate the critical angle at the core cladding interface within the fiber
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