Method for tuning fiber optic sensor coils

Details Method for tuning fiber optic sensor coils Method for tuning fiber optic sensor coils

1993-05-10

1994-07-12

McGraw, Vincent P.

Optics: measuring and testing

For optical fiber or waveguide inspection

356350, G01N 2184, G01C 1964

Patent

active

053293495

ABSTRACT:
A method for tuning a sensor coil for a fiber optic gyroscope. The coil is initially wound in a known pattern. One end of the fiber of the wound coil is then adjusted relative to the other end so that a known differential is obtained that effectively displaces the midpoint of the winding pattern. The coil is then attached to an interferometer test apparatus and performance measured. After successive observations a "trimmed" coil is obtained of acceptable performance characteristics.

REFERENCES:
patent: 4781461 (1988-11-01), Baron et al.
patent: 4856900 (1989-08-01), Ivancevic
patent: 5168539 (1992-12-01), Negishi et al.

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