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JUST E THROUGH H Problem 88. (20 pts) Consider a fiber like the one sketched below....

Question:

JUST E THROUGH H

Problem 88. (20 pts) Consider a fiber like the one sketched below. Take the index of refraction of the core to be ni = 1.5 an

Problem 88. (20 pts) Consider a fiber like the one sketched below. Take the index of refraction of the core to be ni = 1.5 and the index of refraction of the cladding to be n2 = 1.46. A) What is the critical angle for the core/cladding interface? B) If the input angle from air is 6= 8° Calculate 01. C) If the input angle from air is fo=8° Calculate y. D) If the input angle from air is 0o = 8° will the ray be guided by the fiber with low loss? E) If the input angle from air is 0o = 45° Calculate 01. F) If the input angle from air is 0o = 45° Calculate p. G) If the input angle from air is 0o = 45° will the ray be guided by the fiber with low loss? H) What is the maximum input angle from air for a ray that will be guided with low loss by this fiber? 112

Answers

Mp=1.5 M₂ = 1.46 Mar1 Uling snelle law Main Singom, sino - 1 xsin 45º = 1.5 SIN G4 3 91= 2810] Ø =(90-01) - (20-28.1) = 61.80

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