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Pulse Fluctuations Caused by the Thermal Lens Effect in a Passively Q-Switched Laser System

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Journal of Russian Laser Research Aims and scope

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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Authors and Affiliations

  1. Key Laboratory of Optoelectronic Information and Sensing Technologies Guangdong Higher Education Institutes, Guangzhou, 510632, China

    Siqi Zhu, Wei Jiang, Yumeng Liu, Hao Yin, Zhenqiang Chen, Zhen Li, Anming Li & Kang Su

  2. Institute of Optoelectronic Engineering, Jinan University, Guangzhou, 510632, China

    Siqi Zhu, Wei Jiang, Yumeng Liu, Hao Yin, Zhenqiang Chen, Zhen Li, Anming Li & Kang Su

  3. Guangzhou Ante Laser Technology Co. Ltd, Guangzhou, 510663, China

    Yihong Chen

Authors
  1. Siqi Zhu
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  2. Wei Jiang
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  3. Yumeng Liu
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  4. Hao Yin
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  5. Zhenqiang Chen
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  6. Zhen Li
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  7. Anming Li
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  8. Yihong Chen
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  9. Kang Su
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Correspondence to Zhenqiang Chen.

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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

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