Two joined graded index fibers that are perfectly aligned have refract – McqOptions

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1.	Two joined graded index fibers that are perfectly aligned have refractive indices ‚âà√≠¬¨¬±_R=1.93for receiving fiber ‚âà√≠¬¨¬±_E= 2.15 for emitting fiber. Calculate the coupling loss$
A.	0.23 dB
B.	0.16 dB
C.	0.82 dB
D.	0.76 dB
Answer» B. 0.16 dB

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