Fiber optic transceiver module having built-in test...

Details Fiber optic transceiver module having built-in test... Fiber optic transceiver module having built-in test...

2008-03-11

2008-03-11

Wong, Tina M. (Department: 2874)

Optical waveguides

With disengagable mechanical connector

Optical fiber to a nonfiber optical device connector

C385S092000, C356S073100

Reexamination Certificate

active

11093685

ABSTRACT:
A fiber optic transceiver module, having built-in test capability and a low physical profile that meets mil spec requirements, comprises a housing. The housing comprises an optical fiber having an angled end that defines an acute angle relative to the longitudinal axis of the optical fiber, an optical source for emitting an optical signal which is reflected by the angled end of the optical fiber and propagated along the optical fiber, and an optical detector for receiving a return optical signal transmitted through the angled end of the optical fiber in response to reflection from a discontinuity in the optical fiber. The acute angle may be 48 degrees, causing a desired portion of the signal emitted from the optical source to be propagated along the optical fiber and to cause a desired portion of the return optical signal to be transmitted through the angled end to a photodetector.

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PCT International Search Report, PCT/US2006/010973, dated Sep. 13, 2006.
Harres D N, High Speed Fiber Optic Transceivers With Built-In Test Capability,Digital Avionics Systems ConferenceOct. 24-28, 2004, pp. 981-991.

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