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Proceedings Paper

Continuously pumped Cr:YAG laser
Author(s): Vaclav Kubecek; Helena Jelinkova; Yoshihiro Takagi; Antoniangelo Agnesi; Milan R. Kokta
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Paper Abstract

Cr4+:YAG crystal is a solid state laser active material broadly tunable in the near IR spectral region which makes it attractive for applications in optical fiber communications, laser remote sensing, eye-safe ranging and numerous other uses. In Cr:YAG laser crystal which is a low gain active medium the saturation of absorption of pump radiation has a significant role as the decreasing absorption with increasing pump power leads also to saturation of output power.In this paper we studied this effect and we report on absorption and laser characteristics of two Cr:YAG crystals with different chromium concentration and crystal preparation. The laser performances are compared under excitation from arc lamp-pumped Nd:YAG laser with maximum output power of 10W in four mirror and three mirror astigmatically compensated resonators.

Paper Details

Date Published: 29 December 1999
PDF: 6 pages
Proc. SPIE 4016, Photonics, Devices, and Systems, (29 December 1999); doi: 10.1117/12.373653
Show Author Affiliations
Vaclav Kubecek, Czech Technical Univ. (Czech Republic)
Helena Jelinkova, Czech Technical Univ. (Czech Republic)
Yoshihiro Takagi, Himeji Institute of Technology (Japan)
Antoniangelo Agnesi, Univ. di Pavia (Italy)
Milan R. Kokta, Union Carbide Inc. (United States)

Published in SPIE Proceedings Vol. 4016:
Photonics, Devices, and Systems
Miroslav Hrabovsky; Pavel Tomanek; Miroslav Miler, Editor(s)

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