Optical network analyzer

Details Optical network analyzer Optical network analyzer

2006-07-18

2006-07-18

Nguyen, Tu T. (Department: 2877)

Optics: measuring and testing

For optical fiber or waveguide inspection

Reexamination Certificate

active

07079231

ABSTRACT:
An optical network analyzer for measuring an optical characteristic of an object to be measured, including: a first multiplexer for multiplexing a first optical signal which has transmitted the object to be measured, and a second optical signal having a frequency different from the first optical signal, and for outputting a third optical signal; a first photoelectrical converter for converting the third optical signal into a first electric signal; and a phase measurement block for comparing phases of the first electric signal and a first reference signal.

REFERENCES:
patent: 5157530 (1992-10-01), Loeb et al.
patent: 5995228 (1999-11-01), Otani et al.
patent: 6728491 (2004-04-01), Ooi et al.

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