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Development of a highly stable Yb:YAG thin disk pulsed green laser for high power Ti:sapphire based amplifier at 100 kHz repetition rate

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Abstract

We have developed a pulsed Yb:YAG thin disk green laser for pumping a 100 kHz and 10 W femtosecond laser. We optimized numerically and experimentally the open duration of the acousto-optic (AO) Q-switcher and the internal SHG method, generating stable output energy at a 100 kHz repetition rate. We demonstrated a 515 nm output power of over 80 W with a pulse-to-pulse stability of less than 1% RMS with an LD power to green power conversion efficiency of 24%. With the developed green laser, we obtained 16 W of a Ti:sapphire laser in a cavity dumped mode.

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Authors and Affiliations

  1. Cyber-Laser Inc., Tokyo, Japan

    T. Imahoko, K. Takasago, M. Kamata, J. Sakuma, T. Sumiyoshi & H. Sekita

  2. School of Integrated Design Engineering, Keio University, 3-14-1, Hiyoshi, Kohoku-ku, Yokohama-shi, 2238522, Japan

    T. Imahoko & M. Obara

Authors
  1. T. Imahoko
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  2. K. Takasago
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  3. M. Kamata
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  4. J. Sakuma
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  5. T. Sumiyoshi
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  6. H. Sekita
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  7. M. Obara
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Corresponding author

Correspondence to M. Obara.

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PACS

42.55.Xi; 42.60.Gd; 42.60.By; 42.65.-k; 42.65.Re

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Imahoko, T., Takasago, K., Kamata, M. et al. Development of a highly stable Yb:YAG thin disk pulsed green laser for high power Ti:sapphire based amplifier at 100 kHz repetition rate. Appl. Phys. B 89, 217–222 (2007). https://doi.org/10.1007/s00340-007-2806-4

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  • DOI: https://doi.org/10.1007/s00340-007-2806-4

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