System and method for measuring the phase noise of very long...

Details System and method for measuring the phase noise of very long... System and method for measuring the phase noise of very long...

2007-11-20

2007-11-20

Nguyen, Tu T. (Department: 2886)

Optics: measuring and testing

For optical fiber or waveguide inspection

Reexamination Certificate

active

11115389

ABSTRACT:
A method for determining the phase noise of a fiber optic cable includes a step of transmitting a reference signal and a test signal over the fiber optic cable to be tested. The reference and test signal are provided with different wavelengths. The phase noise of the fiber optic cable is calculated by comparing the reference signal and the test signal output from the fiber optic cable.

REFERENCES:
patent: 2002/0044273 (2002-04-01), Kimura et al.
patent: WO 2004/109527 (2004-12-01), None

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