Continuously pumped Cr:YAG laser

Vaclav Kubecek; Helena Jelinkova; Yoshihiro Takagi; Antoniangelo Agnesi; Milan R. Kokta

doi:10.1117/12.373653

29 December 1999 Continuously pumped Cr:YAG laser

Vaclav Kubecek, Helena Jelinkova, Yoshihiro Takagi, Antoniangelo Agnesi, Milan R. Kokta

Proceedings Volume 4016, Photonics, Devices, and Systems; (1999) https://doi.org/10.1117/12.373653
Event: Photonics Prague '99, 1999, Prague, Czech Republic

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.

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Vaclav Kubecek, Helena Jelinkova, Yoshihiro Takagi, Antoniangelo Agnesi, and Milan R. Kokta "Continuously pumped Cr:YAG laser", Proc. SPIE 4016, Photonics, Devices, and Systems, (29 December 1999); https://doi.org/10.1117/12.373653

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KEYWORDS

Crystals

Laser crystals

Absorption

Mirrors

Laser resonators

Resonators

Chromium

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