Nuclear Radiation Vulnerability Of Ring Laser Gyroscope

B. C. Passenheim; C. E. Mallon

doi:10.1117/12.965486

15 December 1978 Nuclear Radiation Vulnerability Of Ring Laser Gyroscope

B. C. Passenheim, C. E. Mallon

Proceedings Volume 0157, Laser Inertial Rotation Sensors; (1978) https://doi.org/10.1117/12.965486
Event: 22nd Annual Technical Symposium, 1978, San Diego, United States

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.

Citation Download Citation

B. C. Passenheim and C. E. Mallon "Nuclear Radiation Vulnerability Of Ring Laser Gyroscope", Proc. SPIE 0157, Laser Inertial Rotation Sensors, (15 December 1978); https://doi.org/10.1117/12.965486

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