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

Andrei Goussarov; Dominic Doyle; Leonid Glebov; Francis Berghmans

doi:10.1117/1.2722322

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

Andrei Goussarov, Dominic Doyle, Leonid Glebov, Francis Berghmans

Research output › peer-review

Abstract

Space-borne optical systems must be tolerant to radiation to guarantee that the required systems 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 nd~1.517 and vd~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.

Original language	English
Pages (from-to)	43004-43004
Journal	Optical Engineering
Volume	46
Issue number	4
DOIs	https://doi.org/10.1117/1.2722322
State	Published - Apr 2007

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Cite this

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abstract = "Space-borne optical systems must be tolerant to radiation to guarantee that the required systems 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 nd~1.517 and vd~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.",

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AU - Berghmans, Francis

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AB - Space-borne optical systems must be tolerant to radiation to guarantee that the required systems 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 nd~1.517 and vd~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.

KW - radiation effects

KW - crown optical glass

KW - space optics

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