Method and apparatus for testing optical fiber cables

Details Method and apparatus for testing optical fiber cables Method and apparatus for testing optical fiber cables

2006-07-04

2006-07-04

Nguyen, Tu T. (Department: 2877)

Optics: measuring and testing

For optical fiber or waveguide inspection

Reexamination Certificate

active

07072029

ABSTRACT:
An optical fiber cable is tested to determine the zero dispersion frequencies of the sections of which it is made by directing light along it, the light comprising two optical frequency components having optical frequencies that differ by a predetermined amount Δω. The frequencies of the components are swept across the operating frequency range of the cable, keeping Δω constant. At the other end of the cable, the spectrum of the light is analyzed to determine the relative powers of first order 4 WM components (satellite lines) and the frequencies at which they have principal maximum values.

REFERENCES:
patent: 5757311 (1998-05-01), Voyce
patent: 6081127 (2000-06-01), Wagner et al.
patent: 6316943 (2001-11-01), Yamashita et al.

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