Compact, rigid, and high-power ultrafast laser system applying a glass-block cavity

Shin-Ichiro Aoshima; Shingo Oishi; Toshiharu Moriguchi; Yoichi Kawada; Masatoshi Fujimoto; Katsumi Shibayama; Masaomi Takasaka; Kenshi Fukumitsu; Shigeru Sakamoto; Koei Yamamoto

doi:10.1117/12.808760

27 February 2009 Compact, rigid, and high-power ultrafast laser system applying a glass-block cavity

Shin-Ichiro Aoshima, Shingo Oishi, Toshiharu Moriguchi, Yoichi Kawada, Masatoshi Fujimoto, Katsumi Shibayama, Masaomi Takasaka, Kenshi Fukumitsu, Shigeru Sakamoto, Koei Yamamoto

Author Affiliations +

Proceedings Volume 7193, Solid State Lasers XVIII: Technology and Devices; 71932M (2009) https://doi.org/10.1117/12.808760
Event: SPIE LASE: Lasers and Applications in Science and Engineering, 2009, San Jose, California, United States

Abstract

We developed a compact Yb:YAG ceramic regenerative amplification system. A rectangular glass block is used to elongate the cavity. A pulse to be amplified is propagated in a long distance in the glass block by being reflected repetitively at the end faces of the glass under a condition of total internal reflection. Furthermore, we produced transmission gratings with a diffraction efficiency of more than 95%. The floor area of the entire amplification system is reduced to less than 2,000 cm². In 20-kHz operation, the system generates 1.0-ps compressed pulses of 4.5-W average power, i.e., 0.225-mJ energy.

Citation Download Citation

Shin-Ichiro Aoshima, Shingo Oishi, Toshiharu Moriguchi, Yoichi Kawada, Masatoshi Fujimoto, Katsumi Shibayama, Masaomi Takasaka, Kenshi Fukumitsu, Shigeru Sakamoto, and Koei Yamamoto "Compact, rigid, and high-power ultrafast laser system applying a glass-block cavity", Proc. SPIE 7193, Solid State Lasers XVIII: Technology and Devices, 71932M (27 February 2009); https://doi.org/10.1117/12.808760

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