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80-W dual-wavelength green pulsed laser based on a Yb-doped rod-type fiber amplifier

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Abstract

We developed a high-power dual-wavelength green pulsed laser that generates 528-nm and 535-nm laser pulses which overlap completely in time and space. Two single-frequency seed lasers of 1056 nm and 1070 nm are combined and amplified to 140 W through a series of ytterbium-doped fiber amplifiers including a rod-type fiber amplifier, and the amplified laser pulses of two wavelengths are frequency-doubled, respectively, by two consecutive lithium triborate crystals. The total green power is more than 80 W at a 400-kHz repetition rate, and the power ratio between the two green wavelengths can be adjusted.

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Acknowledgements

This work was supported by the Internal R&D program of Korea Atomic Energy Research Institute.

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Authors and Affiliations

  1. Laser Application Research Team, Korea Atomic Energy Research Institute, Daejeon, 34057, Korea

    Yong-Ho Cha, Yonghee Kim, Hyunmin Park, Gwon Lim & Do-Young Jeong

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  1. Yong-Ho Cha
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  2. Yonghee Kim
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  3. Hyunmin Park
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  4. Gwon Lim
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  5. Do-Young Jeong
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Correspondence to Yong-Ho Cha.

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Cha, YH., Kim, Y., Park, H. et al. 80-W dual-wavelength green pulsed laser based on a Yb-doped rod-type fiber amplifier. Appl. Phys. B 127, 78 (2021). https://doi.org/10.1007/s00340-021-07628-3

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  • DOI: https://doi.org/10.1007/s00340-021-07628-3

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