Reinforcement of fiber optic gyroscope coils

Details Reinforcement of fiber optic gyroscope coils Reinforcement of fiber optic gyroscope coils

1998-07-17

2000-10-31

Ullah, Akm E.

Optical waveguides

Optical fiber waveguide with cladding

G02B 602

Patent

active

061414743

ABSTRACT:
To minimize the uncompensated part of the Shupe error, a one or more continuous coils (28, 44, 46) thermally stable material is added to a composite coil assembly (20) to dominate the composite in terms of thermal expansion and elastic modulus. The thermally stable material includes a plurality of continuously coiled fibers (28, 44, 46) selected from a material group which possesses a high modulus and a low coefficient of thermal expansion. The preferred fiber is formed from a carbon-graphite material which is selectively wound within the optical fibers (22) in the coil assembly and/or is wound about the interior and exterior circumferences of the coil assembly.

REFERENCES:
patent: 5546482 (1996-08-01), Cordova et al.

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