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Proceedings Paper

Polycrystaline Cr:ZnSe laser pumped by efficient Tm:YLF laser
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Paper Abstract

Efficient generation of diode pumped Tm:YLF laser end-pumped by 25-W laser diode bar was demonstrated. Above 5 W of output power has been obtained. The output spectrum was centered at 1908-nm with <15 nm linewidth. In active Q-switching mode, for 20-Hz repetition rate, up to 5.5 mJ output energy with a pulse duration of 11 ns was achieved. Further pulse energy scaling up was limited by the damage of laser elements. The divergence angle was about 3.5 mrad and estimated parameter M2 < 1.15. We also report mid-infrared laser generation at 2488 nm with a linewidth of ~60 nm in a polycrystalline Cr:ZnSe active medium. In a free-running regime, for 80 mJ incident pump energy, 3 mJ of output pulse energy was achieved.

Paper Details

Date Published: 28 February 2014
PDF: 8 pages
Proc. SPIE 8959, Solid State Lasers XXIII: Technology and Devices, 89590D (28 February 2014); doi: 10.1117/12.2036353
Show Author Affiliations
Lukasz F. Gorajek, Military Univ. of Technology (Poland)
Jan K. Jabczynski, Military Univ. of Technology (Poland)

Published in SPIE Proceedings Vol. 8959:
Solid State Lasers XXIII: Technology and Devices
W. Andrew Clarkson; Ramesh K. Shori, Editor(s)

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