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Optical System Design

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

[+] Author Affiliations
Andrei Gusarov

SCK-CEN Belgian Nuclear Research Center, Boeretang 200, B-2400 Mol, Belgium

Dominic Doyle

European Space Agency, ESA-ESTEC, Keplerlaan 1, 2200 AG Noordwijk, Netherlands

Leonid Glebov

University of Central Florida, College of Optics and Photonics/CREOL, 4000 Central Florida Boulevard, Orlando, Florida 32816-2700

Francis Berghmans

SCK-CEN Belgian Nuclear Research Center, Boeretang 200, B-2400 Mol, Belgium and Vrije Universiteit Brussel, Pleinlaan 2, B-1050 Brussels, Belgium

Opt. Eng. 46(4), 043004 (April 10, 2007). doi:10.1117/1.2722322
History: Received April 24, 2006; Revised August 17, 2006; Accepted November 02, 2006; Published April 10, 2007
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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 nd1.517 and νd64)—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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© 2007 Society of Photo-Optical Instrumentation Engineers

Citation

Andrei Gusarov ; Dominic Doyle ; Leonid Glebov and Francis Berghmans
"Radiation-induced transmission degradation of borosilicate crown optical glass from four different manufacturers", Opt. Eng. 46(4), 043004 (April 10, 2007). ; http://dx.doi.org/10.1117/1.2722322


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