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Proceedings Paper

A highly efficient resonantly pumped Ho:YAG laser
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Paper Abstract

An efficient high-peak-power Ho:YAG hybrid laser resonantly pumped by a 20 W linearly polarized Tm:fiber laser at the wavelength of 1908 nm was developed. At room temperature a maximum continuous output power of 10.7 W with a slope efficiency of over 55% with respect to the incident pump power was achieved. In Q-switching regime an acousto-optic modulators were applied. The research was conducted for normal and Brewster's angle Q-switches respectively. In CW pumping regime the repetition rate was changed from 500 Hz to 5000 Hz. For the best case, for 5 kHz repetition rate, pulses of 1.6 mJ energy and 123 kW peak-power were achieved at the wavelength of 2090.2 nm with an M2 ≈ 1.6.

Paper Details

Date Published: 15 May 2012
PDF: 8 pages
Proc. SPIE 8433, Laser Sources and Applications, 84331J (15 May 2012); doi: 10.1117/12.921757
Show Author Affiliations
Jacek Kwiatkowski, Military Univ. of Technology (Poland)
Jan K. Jabczynski, Military Univ. of Technology (Poland)
Waldemar Zendzian, Military Univ. of Technology (Poland)
Jacek Swiderski, Military Univ. of Technology (Poland)
Mateusz Kaskow, Military Univ. of Technology (Poland)
Lukasz Gorajek, Military Univ. of Technology (Poland)

Published in SPIE Proceedings Vol. 8433:
Laser Sources and Applications
Thomas Graf; Jacob I. Mackenzie; Helena Jelínková; John Powell, Editor(s)

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