Physics, 07.05.2020 13:58 lilpump3506

Model a parabolic GRIN fiber by the equivalent multiple-step approximation.

Let n1=1.5, Δ=0.01. Divide the radius into 10 equal parts. Consider a ray crossing the fiber axis at 5° with respect to that axis (and inside the fiber). Sketch its progress through the fiber until it turns back and re-crosses the fiber axis. (The angles can be magnified on your sketch.)

At what value of r/a did the ray turn back by total reflection?

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Model a parabolic GRIN fiber by the equivalent multiple-step approximation.

Let n1=1.5,...

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