Detection of disconnection in an optical transmission line

Details Detection of disconnection in an optical transmission line Detection of disconnection in an optical transmission line

2008-01-15

2008-01-15

Li, Shi K (Department: 2613)

Optical communications

Diagnostic testing

Fault detection

Reexamination Certificate

active

07319816

ABSTRACT:
An optical transmitter transmits a light which alternately exhibits a spectrum line width wider than a Brillouin bandwidth and a spectrum line width narrower than the Brillouin bandwidth. The transmitted light is provided to an optical transmission line so that the transmitted light travels in the transmission line and thereby causes returning light to be generated in the transmission line. An optical detecting section detects the returning light. Disconnection of the transmission line is detected from the detected returning light.

REFERENCES:
patent: 5673351 (1997-09-01), Clarke et al.
patent: 5767956 (1998-06-01), Yoshida
patent: 5959293 (1999-09-01), Ishikawa
patent: 7127182 (2006-10-01), Matthews et al.
patent: 19830729 (2000-01-01), None
patent: 0437162 (1991-07-01), None
patent: 0772265 (1997-05-01), None
patent: 05-034529 (1993-02-01), None
K. Shimizu et al., “Coherent Self-Heterodyne Brillouin OTDR for Measurement of Brillouin Frequency Shift Distribution in Optical Fibers”, Journal of Lightwave Technology, vol. 12, No. 5, May 1994.

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