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Quasi-continuously pumped passively mode-locked operation of a Nd:GdVO4 and Nd:YVO4 laser in a bounce geometry |
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| Authors: | V Kubecek M Drahokoupil P Zatorsky P Hirsl M Cech A Stintz J -C Diels |
| Institution: | (1) Faculty of Nuclear Sciences and Physical Engineering, Czech Technical University, Brehova 7, 115 19 Prague 1, Czech Republic;(2) Center for High Technology Materials and Department of Physics and Astronomy, University of New Mexico, 800 Yale Blvd NE, Albuquerque, NM 87131, USA |
| Abstract: | The comparative study of pulsed diode pumped Nd:GdVO4 and Nd:YVO4 slab lasers in a bounce geometry in a free running and a passively mode-locked regime was performed. The better efficiency of Nd:GdVO4 in both regimes was obtained. In the free running regime the efficiency of 39% was achieved from Nd:GdVO4 comparing with 28% from Nd:YVO4. Passive mode-locking of both lasers using a semiconductor saturable absorber in the transmission mode was demonstrated. Trains containing 6 pulses were generated in both cases but the pump energy for Nd:GdVO4 was 50% lower. The single pulse extraction using cavity dumping was demonstrated with contrast better than 10?3. |
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