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Q. |
A step-index fibre has a numerical aperture of 0.26, a core refractive index of 1.5 and a core diameter of 100micrometer. Calculate the acceptance angle. |
A. | 1.47° |
B. | 15.07° |
C. | 2.18° |
D. | 24.15° |
Answer» B. 15.07° | |
Explanation: sin i = (numerical aperture)/n sin i = 15.07°. |
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