FIELD: laser devices. SUBSTANCE: device has amplification medium, optical information carrier which is located on one side of amplification medium, and reflector which is located behind optical information carrier. Focusing optical system and polarization element are located between optical information carrier and amplification medium. Feedback mirror, polarization element, projection system and recorder are located behind amplification medium. Optical information carrier is connected to controlled pulse generator. Condition holds that , m ≥ 2, where τinv is inversion duration in medium, L is distance between reflector and feedback mirror, C is speed of light, m is number of beam passes. EFFECT: increased functional capabilities. 2 dwg
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Authors
Dates
1997-04-20—Published
1993-04-21—Filed