Optical return loss measurement

Details Optical return loss measurement Optical return loss measurement

2007-06-26

2007-06-26

Connelly-Cushwa, Michelle (Department: 2874)

Optical waveguides

Miscellaneous

C356S073100

Reexamination Certificate

active

11214415

ABSTRACT:
An optical test apparatus. The test apparatus includes an optical source. A first optical switch is connected to the optical source. An attenuated responsivity test path may be selectively coupled to the first optical switch. A return loss test path may alternatively be selectively coupled to the first optical switch. A second optical switch may be selectively coupled to the attenuated responsivity test path or the return loss test path. An optical splitter is connected to the second optical switch. The optical splitter is configured to connect to a ROSA. A detector is connected to the optical splitter. The detector is configured to connect to a test meter.

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patent: 2002/0181874 (2002-12-01), Tulchinsky et al.
patent: 2005/0180747 (2005-08-01), Wang
U.S. Appl. No. 11/103,766, filed Apr. 12, 2005, Lalonde.
Analog Devices, “LF to 2.5 GHz TruPwr Detector,” 2001.

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