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Passive thin-film optical shutters for protecting image detectors from being blinded

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Abstract

This paper discusses the results of an investigation of the possibility of protecting optical observation facilities from damage by pulsed laser irradiation by using passive optical shutters with a response time no greater than 1 ns. The shutter’s active element is a thin metallic mirror film located at the intermediate focal plane of the system and locally evaporated at the instant of irradiation.

© 2011 OSA

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