Sensor array induced phase angle calculation based on mixed...

Details Sensor array induced phase angle calculation based on mixed... Sensor array induced phase angle calculation based on mixed...

2005-08-23

2005-08-23

Toatley, Jr., Gregory J. (Department: 2877)

Optics: measuring and testing

By light interference

Using fiber or waveguide interferometer

Reexamination Certificate

active

06934034

ABSTRACT:
A sensor array employs a parameter to induce a time-varying phase angle φ on an optical signal that comprises a phase generated carrier based on a single frequency. The time-varying phase angle φ is calculated through employment of a plurality of samples obtained approximately at a time ts, where the plurality of samples are based on a plurality of mixed signals output from a mixer component that employs an input signal based on the optical signal of the sensory array.

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patent: 5227857 (1993-07-01), Kersey
patent: 5283625 (1994-02-01), Bunn, Jr.
patent: 6122057 (2000-09-01), Hall
patent: 6154308 (2000-11-01), Hall
patent: 6600586 (2003-07-01), Hall

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