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Mode evolution mechanism of Pr3+:YLF single longitudinal mode laser

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Abstract

We develop a theoretical model of multimode rate equation that accurately describes mode evolution mechanism of prelase Q-switched Pr3+:YLF single longitudinal mode (SLM). We find that it is important to consider the effect of gain difference when calculating the mode competition time accurately. We identify that there is an optimal parameter for the two step signal of acoustic-optic modulator which determines the stability of SLM output. Then, a visible light direct oscillation Q-switched SLM Pr3+:YLF laser at 639.5 nm is obtained, and the experimental results is agree with the simulation very well.

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Acknowledgements

We thank the Key Laboratory of Jilin Province Solid-State Laser Technology and Application for the use of the equipment.

Funding

The National Natural Fund Project of China (Grant no. 61505012).

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Authors and Affiliations

  1. Chang Chun University of Science and Technology, The Key Laboratory of Jilin Province Solid-State Laser Technology and Application, Changchun, 130022, Jilin, People’s Republic of China

    Long Jin, WeiCheng Dai, YongJi Yu, Yuan Dong & GuangYong Jin

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  1. Long Jin
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  2. WeiCheng Dai
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  3. YongJi Yu
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Correspondence to YongJi Yu.

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Jin, L., Dai, W., Yu, Y. et al. Mode evolution mechanism of Pr3+:YLF single longitudinal mode laser. Appl. Phys. B 126, 112 (2020). https://doi.org/10.1007/s00340-020-07466-9

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