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Proceedings Paper

A mechanically Q-switched Yb:Er:YVO4 laser
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Paper Abstract

We report the active Q-switching of a Yb:Er:YVO4 laser for the first time. A Yb:Er:YVO4 crystal was end pumped by a quasi-continuous wave laser diode emitting at 967 nm with a peak power of up to 48 W. The laser cavity was actively Qswitched using the spinning disc technique. At a repetition rate of 19.2 kHz, the Q-switched slope efficiency and threshold were 4 % and 62 mJ respectively. In comparison, the same system had a slope efficiency of 5% and a threshold of 75 mJ without mechanical Q-switching. Single pulse of energy up to 90 μJ and duration as short as 110 ns were obtained for the single output pulse per pump pulse operation.

Paper Details

Date Published: 16 April 2008
PDF: 8 pages
Proc. SPIE 6998, Solid State Lasers and Amplifiers III, 69981P (16 April 2008); doi: 10.1117/12.781302
Show Author Affiliations
Yuen H. Tsang, The Univ. of Manchester (United Kingdom)
Colin J. Mercer, The Univ. of Manchester (United Kingdom)
David J. Binks, The Univ. of Manchester (United Kingdom)

Published in SPIE Proceedings Vol. 6998:
Solid State Lasers and Amplifiers III
Jonathan A. Terry; Thomas Graf; Helena Jelínková, Editor(s)

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