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Stabilization of the Q-switching pulse energy of a composite YAG/Yb:YAG/Cr:YAG laser used as a laser ignitor

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Abstract

We propose a stabilization method for a Q-switched composite YAG/Yb:YAG/Cr:YAG laser configured for use as a laser igniter. The method is based on reducing the fluctuations in the magnitude of the initial seed signal caused by interference of the initial resonator modes. We have shown that a stable laser output could be achieved using a Fabry-Pérot etalon, which can reduce the number of modes, to reduce the initial noise fluctuation in a resonator.

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Acknowledgements

This study was supported by the research fund of Chosun University (2017).

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Authors and Affiliations

  1. Department of Photonic Engineering, Chosun University, Gwangju, 61452, Republic of Korea

    Youngin Park, Jeonghyun Chang, Seongsoo Kim & Hyun Su Kim

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  1. Youngin Park
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  2. Jeonghyun Chang
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  3. Seongsoo Kim
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  4. Hyun Su Kim
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Correspondence to Hyun Su Kim.

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Park, Y., Chang, J., Kim, S. et al. Stabilization of the Q-switching pulse energy of a composite YAG/Yb:YAG/Cr:YAG laser used as a laser ignitor. J. Korean Phys. Soc. 78, 594–599 (2021). https://doi.org/10.1007/s40042-021-00103-4

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  • DOI: https://doi.org/10.1007/s40042-021-00103-4

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