a. Referring to Figure 10-3, show that, for a guided ray traveling at the steepest angle r...

a. Referring to Figure 10-3, show that, for a guided ray traveling at the steepest angle relative to the fiber axis, the skip distance Ls can be expressed by

 

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b. How many reflections occur per meter for such a ray in a step-index fiber with n1 = 1.460, n2= 1.457, and d = 50 μm?