MCQOPTIONS
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MCQOPTIONS
| 1. |
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√ó10<sup>-5</sup> |
| B. | 3.5√ó10<sup>-5</sup> |
| C. | 2√ó10<sup>-5</sup> |
| D. | 4√ó10<sup>-5</sup> |
| Answer» B. 3.5‚Äö√†√∂‚àö‚â•10<sup>-5</sup> | |