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Proceedings Paper

Effect of ionizing radiations and thermal treatment on the infrared transmittance of polycrystal CsI
Author(s): George H. Miley; O. Barnouin; Alfredo Procoli
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Paper Abstract

The effect of thermal treatment and nuclear irradiation on the far infrared spectrum of polycrystal CsI was studied using pure and cerium doped crystals. Samples were exposed to neutrons and gamma radiation from a neutron activation tube. Thermal treatment was conducted in a 5.5 kilowatt furnace. Ionizing radiation caused significant infrared transmission losses at doses less than or equal to 1 MRad and the threshold wavelength of transmittance shifted to longer wavelengths. Transmission losses in cerium doped crystals were less than in pure crystals. Heat treatment also caused a significant reduction in transmittance. These results indicate that high temperature annealing will not decrease radiation damage.

Paper Details

Date Published: 1 June 1991
PDF: 11 pages
Proc. SPIE 1441, Laser-Induced Damage in Optical Materials: 1990, (1 June 1991); doi: 10.1117/12.57240
Show Author Affiliations
George H. Miley, Univ. of Illinois (United States)
O. Barnouin, Univ. of Illinois (United States)
Alfredo Procoli, Univ. of Illinois (United States)

Published in SPIE Proceedings Vol. 1441:
Laser-Induced Damage in Optical Materials: 1990
Harold E. Bennett; Lloyd L. Chase; Arthur H. Guenther; Brian Emerson Newnam; M. J. Soileau, Editor(s)

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