Recording and development of optical information on photothermoplastic media by using YAG:Nd laser radiation

Anatoliy A. Kovalev; S. N. Zhdanovich

doi:10.1117/12.147847

12 July 1993 Recording and development of optical information on photothermoplastic media by using YAG:Nd laser radiation

Anatoliy A. Kovalev, S. N. Zhdanovich

Author Affiliations +

Proceedings Volume 1806, Optical Computing; (1993) https://doi.org/10.1117/12.147847
Event: Topical Meeting on Optical Computing, 1992, Minsk, Belarus

Abstract

A method is proposed for recording and development of optical information on photothermoplastic (PT) media. The method is based on using radiation of an YAG:Nd laser. Specialized lasers and recording devices on their basis have been developed which ensure obtaining nanosecond (about 30 ns) radiation pulses in the visible range ((lambda) equals 0.532 micrometers ) to be used for exposure in the presence of infra-red background radiation ((lambda) equals 1.064 micrometers ) of quasi-stationary lasing of large duration which is used for thermal processing of the medium. The recording unit proposed makes it possible to realize a multi- stage PT recording process including exposure and thermal processing of the medium by one laser shot.

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Anatoliy A. Kovalev and S. N. Zhdanovich "Recording and development of optical information on photothermoplastic media by using YAG:Nd laser radiation", Proc. SPIE 1806, Optical Computing, (12 July 1993); https://doi.org/10.1117/12.147847

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