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

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Comparison of radiation-induced transmission degradation of borosilicate crown optical glass from four different manufacturers. / Goussarov, Andrei; Berghmans, Francis; Doyle, Dominic; Glebov, Leonid.

Proceedings of SPIE. SPIE, Bellingham, WA, 2005. p. 58970-1.

Research output: Contribution to report/book/conference proceedingsIn-proceedings paper

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Goussarov, A, Berghmans, F, Doyle, D & Glebov, L 2005, Comparison of radiation-induced transmission degradation of borosilicate crown optical glass from four different manufacturers. in Proceedings of SPIE. SPIE, Bellingham, WA, pp. 58970-1, Photonics for Space Environments X, San Diego, California, United States, 2005-08-01.

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@inproceedings{2da448555c6048b1b54dbbf9882cbc96,
title = "Comparison of radiation-induced transmission degradation of borosilicate crown optical glass from four different manufacturers",
abstract = "Space-born optical systems must be tolerant to radiation to guarantee that the required system performance is maintained during prolonged mission times. The radiation-induced absorption in optical glasses of often related with the presence of impurities, which are, intentionally or not, introduced during the manufacturing process. Glass manufacturers use proprietary fabrication prcesses and one can expect that the radiation sensitivity of nominally identical optical glasses from different manufacturers is different. We studied the gamma-radiation induced absorption of sveral crown glasses with nd ~1.516 and vd ~64, i.e. MBK7 (Schott), S-BSL7 (Ohara), BSC 517642 (Pilkington) and K8 (Russia). NBK7 recently replacd the well-known BK7. We therefore also compared the radiation response of NBK7 and BK7 glass. Our results show that whereas the glasses are optically similar before irradiation, they show a different induced absorption after irradiation and also different post-radiation recovery kinetics. Taking these differences into account can help to improve the radiation tolerance of optical systems for space applications.",
keywords = "radiation-induced transmission degradation, optical glass, BK7, space optics",
author = "Andrei Goussarov and Francis Berghmans and Dominic Doyle and Leonid Glebov",
note = "Score = 3",
year = "2005",
language = "English",
pages = "58970--1",
booktitle = "Proceedings of SPIE",

}

RIS - Download

TY - GEN

T1 - Comparison of radiation-induced transmission degradation of borosilicate crown optical glass from four different manufacturers

AU - Goussarov, Andrei

AU - Berghmans, Francis

AU - Doyle, Dominic

AU - Glebov, Leonid

N1 - Score = 3

PY - 2005

Y1 - 2005

N2 - Space-born optical systems must be tolerant to radiation to guarantee that the required system performance is maintained during prolonged mission times. The radiation-induced absorption in optical glasses of often related with the presence of impurities, which are, intentionally or not, introduced during the manufacturing process. Glass manufacturers use proprietary fabrication prcesses and one can expect that the radiation sensitivity of nominally identical optical glasses from different manufacturers is different. We studied the gamma-radiation induced absorption of sveral crown glasses with nd ~1.516 and vd ~64, i.e. MBK7 (Schott), S-BSL7 (Ohara), BSC 517642 (Pilkington) and K8 (Russia). NBK7 recently replacd the well-known BK7. We therefore also compared the radiation response of NBK7 and BK7 glass. Our results show that whereas the glasses are optically similar before irradiation, they show a different induced absorption after irradiation and also different post-radiation recovery kinetics. Taking these differences into account can help to improve the radiation tolerance of optical systems for space applications.

AB - Space-born optical systems must be tolerant to radiation to guarantee that the required system performance is maintained during prolonged mission times. The radiation-induced absorption in optical glasses of often related with the presence of impurities, which are, intentionally or not, introduced during the manufacturing process. Glass manufacturers use proprietary fabrication prcesses and one can expect that the radiation sensitivity of nominally identical optical glasses from different manufacturers is different. We studied the gamma-radiation induced absorption of sveral crown glasses with nd ~1.516 and vd ~64, i.e. MBK7 (Schott), S-BSL7 (Ohara), BSC 517642 (Pilkington) and K8 (Russia). NBK7 recently replacd the well-known BK7. We therefore also compared the radiation response of NBK7 and BK7 glass. Our results show that whereas the glasses are optically similar before irradiation, they show a different induced absorption after irradiation and also different post-radiation recovery kinetics. Taking these differences into account can help to improve the radiation tolerance of optical systems for space applications.

KW - radiation-induced transmission degradation

KW - optical glass

KW - BK7

KW - space optics

UR - http://knowledgecentre.sckcen.be/so2/bibref/2764

M3 - In-proceedings paper

SP - 58970

EP - 58971

BT - Proceedings of SPIE

CY - SPIE, Bellingham, WA

ER -

ID: 192846