Abstract
We study theoretically and experimentally pulse fluctuations in a passively Q-switched laser caused by the thermal lens effect and design a special thermally insensitive cavity for an end-pumped passively Qswitched laser system with a composite crystal. We show experimentally that using a suitable cavity and maintaining the laser-system operation in the fundamental mode reduce the pulse fluctuations effectively. Under a pump power of 8 W, relative fluctuations of the pulse width and the repetition rate of this system are 2.3% and 3.5%, respectively.
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Zhu, S., Jiang, W., Liu, Y. et al. Pulse Fluctuations Caused by the Thermal Lens Effect in a Passively Q-Switched Laser System. J Russ Laser Res 36, 377–384 (2015). https://doi.org/10.1007/s10946-015-9513-0
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DOI: https://doi.org/10.1007/s10946-015-9513-0