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Proceedings Paper

Noise effects in high-sensitivity fiber optic gyros
Author(s): William K. Burns; Robert P. Moeller
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Paper Abstract

Noise in a n open-loop, high sensitivity fiber optic gyro, including shot, thermal, electronic, and source (RIN) contributions, is investigated experimentally. The gyro is an al-fiber, dynamically biased, open-loop gyro operating at 1.06 micrometers . Fiber lengths of 1.0 and 2.86 km were used, both wound on 16cm radius forms. A noise subtraction technique was used to reduce RIN noise. Fits to the total noise spectrum implied approximately 40 percent residual RIN remained after subtraction. With this assumption contributions to the random walk coefficient (RWC) are calculated and shown to be in agreement with experiment. A RWC of 0.67 10-4 deg/(root)hr was obtained.

Paper Details

Date Published: 12 November 1996
PDF: 7 pages
Proc. SPIE 2837, Fiber Optic Gyros: 20th Anniversary Conference, (12 November 1996); doi: 10.1117/12.258201
Show Author Affiliations
William K. Burns, Naval Research Lab. (United States)
Robert P. Moeller, Naval Research Lab. (United States)


Published in SPIE Proceedings Vol. 2837:
Fiber Optic Gyros: 20th Anniversary Conference
Eric Udd; Herve C. Lefevre; Kazuo Hotate, Editor(s)

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