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23 March 2005 Investigations of Q-switching and mode locking in diode-pumped Nd:YVO4 laser with passive saturable absorbers
Jacek Kwiatkowski, Jan Karol Jabczynski, Waldemar Zendzian
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Proceedings Volume 5777, XV International Symposium on Gas Flow, Chemical Lasers, and High-Power Lasers; (2005) https://doi.org/10.1117/12.611034
Event: XV International Symposium on Gas Flow, Chemical Lasers, and High-Power Lasers, 2004, Prague, Czech Republic
Abstract
The saturable absorbers (Cr4+:YAG, GaAs and LiF crystals for 1064-nm wavelength, V3+:YAG crystals for 1340-nm respectively) were examined as passive Mode Lockers and Q-switches in diode pumped Nd:YVO4 lasers in the Z-type resonators. In each case, partially modulated long trains of QML pulses were observed. As a rule, envelopes with about 1 μs duration and more than 50% depth of modulation were observed. For stabilization of the mode locking trains nonlinear crystals (KTP or LBO) as negative feedback elements were inserted. The fully modulated QML trains for intracavity II harmonic conversion at 670-nm wavelength in V3+:YAG Q-switched Nd:YVO4 laser with LBO crystal were demonstrated.
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Jacek Kwiatkowski, Jan Karol Jabczynski, and Waldemar Zendzian "Investigations of Q-switching and mode locking in diode-pumped Nd:YVO4 laser with passive saturable absorbers", Proc. SPIE 5777, XV International Symposium on Gas Flow, Chemical Lasers, and High-Power Lasers, (23 March 2005); https://doi.org/10.1117/12.611034
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KEYWORDS
Crystals
Mode locking
Modulation
Q switches
Laser crystals
Neodymium lasers
Laser induced fluorescence
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