| 摘要 |
A light coupler for use in optical reflectometry on both single mode and multimode optical fibers. The single mode embodiment contains a polarized beam splitter, a depolarizer and a socket to hold an optical fiber. The beam splitter is oriented to transmit substantially all of the light in an incident beam of light, through the depolarizer to the optical fiber. Reflections from the optical fiber pass through the depolarizer to the beam splitter where 50% of the light is directed to a measuring output.
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