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Q. |
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» D. 9.551*10-5 |
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