Study on Dynamic of Space Ionizing Radiation Induced Coloration in Glasses

doi:10.3724/SP.J.1077.2012.12063

Abstract

Abstract: Space ionizing radiation is mainly made up of the particles (proton and electron) with continuous energy distribution, and most of the particles have poor penetration capability in the glass, as a result, space ionizing radiation induced coloration in the glass inevitably changes complexly with depth in the glass. Based on this phenomenon, and considering the relaxation process of color centers induced by irradiation in the glass, a method applicable in the study on the dynamic of space ionizing radiation induced coloration in the glass was introduced in the paper. Selecting K9-HL glass as the studied object, using the numerical method and absorbed dose distribution of space ionizing radiation with depth in the glass simulated by Monte Carlo method, the process of space ionizing radiation (the orbital: perigee 350 km, apogee 425 km, orbital inclination 51.6°) induced coloration in this glass was studied. The method of anti-irradiation performance testing for the glasses used on the spacecrafts was discussed, and space ionizing radiation induced coloration distribution in the glass was analyzed. Key anti-irradiation technologies of the glasses on the spacecraft were proposed. Additionally, optical property K9-HL glass in the orbital shielded by silica glass anti-radiation layers of different thicknesses was studied.

Key words: glass, space ionizing radiation, color center, dynamic, numerical method

CLC Number:

TB321

DU Ji-Shi, ZHANG Tao, ZHAO Li-Li, SONG Li-Xin, HU Xing-Fang. Study on Dynamic of Space Ionizing Radiation Induced Coloration in Glasses[J]. Journal of Inorganic Materials, 2012, 27(11): 1197-1204.

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