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Optical bench fiber optic transmitter

Patent image
NAWCAD

The subassembly includes a laser for emitting signals towards fibers to be monitored, a passive alignment carrier, a photodetector for monitoring reflected laser signals from the fibers and for monitoring laser output power, and an optical fiber. The laser is disposed within the passive alignment carrier. The optical fiber is embedded in the passive alignment carrier, and has an angled fiber facet. The laser emits signals toward and through the angled fiber facet, whereby a portion of the laser signal illuminates the photodetector, and another portion illuminates the fibers that are being monitored and reflects back to the photodetector such that faults on the fibers can be detected.

Inventors: 
Beranek, Mark W.
Patent Number: 
Technical domain: 
Optics
FIle Date: 
2007-09-05
Grant Date: 
2010-12-14
Grant time: 
1,196 days
Grant time percentile rank: 
21
Claim count percentile rank: 
5
Citations percentile rank: 
1
'Cited by' percentile rank: 
1
Assignee: 
US NAVY