Method and apparatus to calibrate and run optical delay devices

Details Method and apparatus to calibrate and run optical delay devices Method and apparatus to calibrate and run optical delay devices

1997-07-24

1999-08-24

Shah, Damini

Data processing: measuring, calibrating, or testing

Calibration or correction system

702104, 702119, 385 76, 385 88, 359123, 359128, 371 275, G06F 1520, H04B 1008

Patent

active

059436360

ABSTRACT:
A calibrate and run bias voltage control method for an optical delay system utilizing a plurality of voltage controlled switches which may experience bias drift wherein during calibration an output optical power error signal of the system is monitored while rapidly changing the bias voltages to the switches according to a desired algorithm and setting the bias voltages at a the level achieved when the output error signal falls below a predetermined tolerance level.

REFERENCES:
patent: 4028702 (1977-06-01), Levine
patent: 5682038 (1997-10-01), Hoffman
patent: 5724363 (1998-03-01), Breya
A. Kumar, "Antenna Design With Fiber Optices" publisher Artech House, Norwood, MN 1996 Patent application 08/627,867 by Ang et al entitled "Variable Time Delay for Optic Devices" filed Apr. 3, 1996.

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