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Proceedings Paper

Components for IFOG based inertial measurement units using active and passive polymer materials
Author(s): Paul R. Ashley; Mark G. Temmen; William M. Diffey; Mohan Sanghadasa; Michael D. Bramson; Geoffrey A. Lindsay; Andrew J. Guenthner
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Paper Abstract

Highly accurate, compact, and low cost inertial measurement units (IMUs) are needed for precision guidance in navigation systems. Active and passive polymer materials have been successfully used in fabricating two of the key guided-wave components, the phase modulator and the optical transceiver, for IMUs based on the interferometric fiber optic gyroscope (IFOG) technology. Advanced hybrid waveguide fabrication processes and novel optical integration techniques have been introduced. Backscatter compensated low loss phase modulators with low half-wave drive voltage (Vπ) have been fabricated with CLD- and FTC- type high performance electro-optic chromophores. A silicon-bench architecture has been used in fabricating high gain low noise transceivers with high optical power while maintaining the spectral quality and long lifetime. Gyro bias stability of less than 0.02 deg/hr has been demonstrated with these components. A review of the novel concepts introduced, fabrication and integration techniques developed and performance achieved are presented.

Paper Details

Date Published: 24 August 2006
PDF: 11 pages
Proc. SPIE 6314, Photorefractive Fiber and Crystal Devices: Materials, Optical Properties, and Applications XII, 63140J (24 August 2006); doi: 10.1117/12.683541
Show Author Affiliations
Paul R. Ashley, U.S. Army Research, Development and Engineering Command (United States)
Mark G. Temmen, U.S. Army Research, Development and Engineering Command (United States)
William M. Diffey, U.S. Army Research, Development and Engineering Command (United States)
Mohan Sanghadasa, AEgis Technologies Group (United States)
Michael D. Bramson, Naval Air Warfare Ctr. (United States)
Geoffrey A. Lindsay, Naval Air Warfare Ctr. (United States)
Andrew J. Guenthner, Naval Air Warfare Ctr. (United States)


Published in SPIE Proceedings Vol. 6314:
Photorefractive Fiber and Crystal Devices: Materials, Optical Properties, and Applications XII
Francis T. S. Yu; Ruyan Guo; Shizhuo S. Yin, Editor(s)

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