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Estimate Optical Power Coupled into Fiber of DH SLED Having

Question 25

Multiple Choice

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

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