Radiation-induced transmission degradation of borosilicate crown optical glass from four different manufacturers

Andrei I. Gussarov; Dominic B. Doyle; Leonid Borisovich Glebov; Francis Berghmans

doi:10.1117/1.2722322

1 April 2007 Radiation-induced transmission degradation of borosilicate crown optical glass from four different manufacturers

Andrei I. Gussarov, Dominic B. Doyle, Leonid Borisovich Glebov, Francis Berghmans

Author Affiliations +

Optical Engineering, Vol. 46, Issue 4, 043004 (April 2007). https://doi.org/10.1117/1.2722322

Abstract

Space-borne optical systems must be tolerant to radiation to guarantee that the required system performance is maintained during prolonged mission times. We show that the radiation hardness can be improved by selecting the relevant glass from a group of optical analogs. This conclusion is based on the study of gamma-radiation-induced absorption of crown glasses from group 517640 (glasses with n_d≈1.517 and ν_d≈64)—BK7 and NBK7 (Schott), S-BSL7 (Ohara), BSC 517642 (Pilkington), and K8 (NITIOM). Our results show that whereas these glasses are optical analogs before irradiation, they behave differently during and after irradiation.

©(2007) Society of Photo-Optical Instrumentation Engineers (SPIE)

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Andrei I. Gussarov, Dominic B. Doyle, Leonid Borisovich Glebov, and Francis Berghmans "Radiation-induced transmission degradation of borosilicate crown optical glass from four different manufacturers," Optical Engineering 46(4), 043004 (1 April 2007). https://doi.org/10.1117/1.2722322

Published: 1 April 2007

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