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Proceedings Paper

Nuclear Radiation Vulnerability Of Ring Laser Gyroscope
Author(s): B. C. Passenheim; C. E. Mallon
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Paper Abstract

In spite of the specific differences between laser gyro designs, all ring laser gyroscopes have certain similar elements such as the lasing medium itself, mirrors, windows, and optical detectors. Laser gyros may also include path length control mechanisms, dither motors, magnetic mirrors, and/or Faraday cells. Ring laser gyroscopes are very attractive for a wide range of commercial and military systems. In many military applications they must survive and continue functioning after nuclear radiation exposures. This paper identifies nuclear vulnerabilities of several components common to most ring laser gyroscopes. Particular attention is directed to radiation coloration and bleaching of optically transparent low thermal expansion materials and radiation responses of optical photodetectors. Corroborating experimental results and selected nuclear hardening design guidelines are offered.

Paper Details

Date Published: 15 December 1978
PDF: 7 pages
Proc. SPIE 0157, Laser Inertial Rotation Sensors, (15 December 1978); doi: 10.1117/12.965486
Show Author Affiliations
B. C. Passenheim, IRT Corporation (United States)
C. E. Mallon, IRT Corporation (United States)

Published in SPIE Proceedings Vol. 0157:
Laser Inertial Rotation Sensors
Shaoul Ezekiel; G. E. Knausenberger, Editor(s)

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