Optical bench fiber optic transmitter

Details Optical bench fiber optic transmitter Optical bench fiber optic transmitter

2007-09-05

2010-12-14

Phan, Hanh (Department: 2613)

Optical communications

Diagnostic testing

Fault detection

C398S033000, C398S030000, C398S031000, C398S020000, C398S013000, C385S129000, C385S031000, C356S073100

Reexamination Certificate

active

07853144

ABSTRACT:
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.

REFERENCES:
patent: 5907417 (1999-05-01), Darcie et al.
patent: 6406196 (2002-06-01), Uno et al.
patent: 7386213 (2008-06-01), Shimizu et al.
patent: 2004/0179784 (2004-09-01), Vancoille et al.
patent: 2005/0286895 (2005-12-01), Lee et al.

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