Nuclear radiation effects on mirrors

Terrence F. Deaton

doi:10.1117/12.138943

11 January 1993 Nuclear radiation effects on mirrors

Terrence F. Deaton

Proceedings Volume 1761, Damage to Space Optics, and Properties and Characteristics of Optical Glass; (1993) https://doi.org/10.1117/12.138943
Event: San Diego '92, 1992, San Diego, CA, United States

Abstract

The ability of optical seeker/sensor systems to acquire, discriminate, and lock on to their targets is essential to the success of all interceptor systems. A telescope primary mirror is highly vulnerable to x-ray exposure, which may result in increased scatter as well as permanent and/or transient distortion. Interceptor target discrimination and tracking is thus compromised. We have fielded several experiments to examine the effects of nuclear radiation on a variety of mirror samples representing those technologies which might be applicable for an optical sensor/seeker system. Mirror deformation and scatter measurements were performed in real-time, providing dynamic response and recovery data. Post-test measurements included scatter, reflectance, and permanent distortion as well as microscopic examination of the mirror surfaces. Results from these experiments are presented along with comparisons to analytical models.

Citation Download Citation

Terrence F. Deaton "Nuclear radiation effects on mirrors", Proc. SPIE 1761, Damage to Space Optics, and Properties and Characteristics of Optical Glass, (11 January 1993); https://doi.org/10.1117/12.138943

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KEYWORDS

Mirrors

Sensors

X-rays

Distortion

Nuclear radiation

Radiation effects

Beryllium

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