System and method for monitoring an optical fiber

Details System and method for monitoring an optical fiber System and method for monitoring an optical fiber

2007-12-18

2007-12-18

Nguyen, Tu T (Department: 2886)

Optics: measuring and testing

For optical fiber or waveguide inspection

Reexamination Certificate

active

11286806

ABSTRACT:
A system and method are disclosed for monitoring a fiber optic network between a managed location and a remote location. In a particular embodiment of the method the monitoring wavelength signal is separated from the communication wavelength signal at the remote location and coupled on to the optical fiber carrying a communication wavelength signal from the remote location. In a particular embodiment of the system, the system includes a first optical filter for coupling a selected monitoring wavelength signal on to an optical fiber carrying a communication wavelength signal between the managed location and the remote location and a second optical filter at the managed location for recovering a permanently separated monitoring wavelength signal sent to the managed location from the remote location.

REFERENCES:
patent: 6583867 (2003-06-01), Jennings et al.
patent: 2002/0101577 (2002-08-01), Thwing et al.
patent: 2003/0174962 (2003-09-01), Poole et al.

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