CPC G02B 6/385 (2013.01) | 19 Claims |
1. A passive optical coupler for passively coupling first and second optical fibers, the passive optical coupler comprising:
a housing including:
a first port configured to receive an end of a first optical fiber, and
a second port configured to receive an end of a second optical fiber; and
a passive optical activity indicator that comprises a flat plane of optical material (i) positioned at least partially within the housing substantially perpendicular to an axis of the first and second optical fibers when received in the respective first and second ports and (ii) extending through and beyond a surface of the housing, wherein a first portion of the passive optical activity indicator is exposed through the housing, and wherein the passive optical activity indicator is configured to passively illuminate in response to (a) first light propagating in the first optical fiber when the end of the first optical fiber is received in the first port, and (b) second light propagating in the second optical fiber when the end of the second optical fiber is received in the second port.
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