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Thermal tuning of laser pulse parameters in passively Q-switched Nd:YAG lasers
Ossi Kimmelma1, Ilkka Tittonen, Scott C Buchter
1Department of Micro and Nanosciences and Center for New Materials, Helsinki University of Technology, Micronova, P.O. Box 3500, FI-02015 TKK, Finland. Ossi.Kimmelma@tkk.fi
Abstract:
Modifying the output pulses of a passively Q-switched Nd:YAG laser, operating at 1064 nm, was realized by heating the laser crystal. With the demonstrated laser setups, a 100 K temperature rise led to a more than 50% increase in the pulse energy and a more than 10% decrease in the pulse length. This method offers an effective way to tune the output of the laser without mechanical adjustment or a change of components.
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