- 20 Points An Optical Fiber Consists Of A Core Made Of Flint Glass Ncore 1 62 Surrounded By A Cladding Made Of Crow 1 (103.52 KiB) Viewed 10 times
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[20 points] An optical fiber consists of a core made of flint glass (ncore = 1.62) surrounded by a cladding made of crown glass (ncladding = 1.52). A ray of light in the air enters the fiber at an angle 01 with respect to the normal, it passes through the core and hits the core cladding interface with 6c (critical angle) to produce a total internal reflection at the core-cladding interface as shown in the following figure. Cladding Air Core 0 A. [5 points) Find the critical angle 8c for the core-cladding interface. c = B. [5 points) If 0e = 71°, calculate the angle 02. 02 C. [1 point] Using the formula sheet, which formula can be used to calculate the angle of incidence @1? D. [1 point] If 02 = 18°, the angle of incidence 0will be given by: 1 1.52 x sin(18) 1 1.62 x sin(18) sin 1xsin(18) 1.52 sin sin E. [3 points) If 02 = 18°, calculate the angle of incidence 01. 0 = F. [5 points] If the angle of incidence 01 = 47°, will the ray of light undergo total internal reflection at the core-cladding interface? ONO aroves