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Proceedings Paper

Fiber optic rate gyros
Author(s): Carol A. Davis; Fred P. McNair; Pepe G. Davis; Jeff Bush; Joung C. Ha; Jeffrey L. Duryea
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Paper Abstract

The design and test result of an ultra miniature interferometric fiber optic rate gyro (IFOG) are reported. A unique IFOG gyro has been fabricated and tested. The gyro implements low cost components packaged in a volume less than 2.3 cubic inches including electronics. Test results verify that operational performance requirements over the temperature range of -57 to +71 C are met in the design. Key results include: electronic power consumption of 2.3 Watts, noise < 0.16 deg/sec/rt-Hz, scale factor of 32.9 mV/deg.sec, activation time of < 300 msec, threshold and resolution of 0.01 deg/sec, scale factor linearity error < 0.14 percent, and bias < 0.1 deg/sec. The gyro also survived a vibration test at 26.5 Grms. The gyro design is presented and accompanied with test data showing general conformance to the design's operational performance requirements.

Paper Details

Date Published: 2 September 1997
PDF: 11 pages
Proc. SPIE 3180, Third Pacific Northwest Fiber Optic Sensor Workshop, (2 September 1997); doi: 10.1117/12.285602
Show Author Affiliations
Carol A. Davis, Optiphase, Inc. (United States)
Fred P. McNair, Optiphase, Inc. (United States)
Pepe G. Davis, Optiphase, Inc. (United States)
Jeff Bush, Optiphase, Inc. (United States)
Joung C. Ha, Air Force Wright Lab. (United States)
Jeffrey L. Duryea, Mercer Engineering Research Ctr. (United States)


Published in SPIE Proceedings Vol. 3180:
Third Pacific Northwest Fiber Optic Sensor Workshop
Eric Udd; Chuck C. Jung, Editor(s)

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