Estimate optical power coupled into fiber of DH SLED having emission – McqOptions

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1.	Estimate optical power coupled into fiber of DH SLED having emission area of 1.96*10-5, radiance of 40 W/rcm2, numerical aperture of 0.2 and Fresnel reflection coefficient of 0.03 at index matched fiber surface.
A.	5.459*10-5
B.	1.784*10-3
C.	3.478*102
D.	9.551*10-5
Answer» E.

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