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Proceedings Paper

Acousto-optic modulation in diode pumped solid state lasers
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Paper Abstract

The main properties of acousto-optic modulators (AOM) applied in laser technology are presented and discussed in the paper. The critical review of application of AOMs in several types of diode pumped solid state lasers (DPSSL) is given. The short description of few DPSSLs developed in our group is presented in the following chapters of the paper. The parameters of a simple AO-Q-switched Nd:YVO4 laser (peak power up to 60 kW, pulse duration of 5-15 ns, repetition rate in the range 10-100 kHz, with average power above 5 W) are satisfactory for different application as follows: higher harmonic generation, pumping of 'eye-safe' OPOs etc. The achieved brightness of 1017 W/m2/srd is comparable to the strongest technological Q-switched lasers of kW class of average power. The main aim of paper is to present novel type of lasers with acousto-optic modulation namely: AO-q-switched and mode locked (AO-QML) lasers. We have designed the 3.69-m long Z-type resonator of the frequency matched to the RF frequency of AOM. As a gain medium the Nd:YVO4 crystal end pumped by 20 W laser diode was applied. The energy of envelope of QML pulse train was up to 130 &mgr;J with sub-nanosecond mode locked pulse of maximum 30-&mgr;J energy.

Paper Details

Date Published: 1 February 2007
PDF: 8 pages
Proc. SPIE 6599, Laser Technology VIII: Progress in Lasers, 65990B (1 February 2007); doi: 10.1117/12.726649
Show Author Affiliations
Jan K. Jabczynski, Military Univ. of Technology (Poland)
Waldemar Zendzian, Military Univ. of Technology (Poland)
Jacek Kwiatkowski, Military Univ. of Technology (Poland)

Published in SPIE Proceedings Vol. 6599:
Laser Technology VIII: Progress in Lasers
Wieslaw Wolinski; Zdzislaw Jankiewicz; Ryszard S. Romaniuk, Editor(s)

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