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Q. |
The beat length in a single mode optical fiber is 8 cm, when light from a laser with a peak wavelength 0.6μm is launched into it. Estimate the modal birefringence. |
A. | 1×10-5 |
B. | 3.5×10-5 |
C. | 2×10-5 |
D. | 4×10-5 |
Answer» A. 1×10-5 |
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