Design and Operation of High-Energy and High-Average-Power Diode-Pumped Single Nd:YAG Amplifier with Stimulated-Brillouion-Scattering Phase Conjugate Mirror
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概要
- 論文の詳細を見る
We describe a compact laser-diode-pumped, phase conjugate Nd:YAG master oscillator power amplifier system with a reduced number of components in the single slab amplifier geometry. This system is readily suited for pumping a Ti:sapphire amplifier, making it possible to construct a compact, high-repetition-rate, terawatt-peak-power chirped-pulse amplification system. An average infrared power of 362 W at a repetition rate of 1 kHz in a 29 ns pulse has been produced with an optical-to-optical efficiency of 14%. With a KTiOPO4 frequency-doubling crystal, an average green output power of 132 W at a repetition rate of 1 kHz has also been generated when pumped at an input incident power of 222 W, corresponding to a second-harmonic energy conversion efficiency of 60%. The average power at both infrared and green wavelengths represents a record performance for a single-amplifier system. We discuss in detail the design, performance and operation of the system including output power, optical efficiency, beam quality and stability.
- 2005-10-15
著者
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Kan Hirofumi
Central Research Institute Hamamatsu Photonics K. K.
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Miyajima Hirofumi
Central Research Laboratory Hamamatsu Photonics K. K.
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Yoshida Hidetsugu
Institute Of Laser Engineering Osaka University
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Yamakawa Koichi
Advanced Photon Research Center Kansai Research Establishment Japan Atomic Energy Research Institute
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Kiriyama Hiromitsu
Advanced Photon Research Center And Photo Medical Research Center Japan Atomic Energy Agency
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Yoshida Hidetsugu
Institute of Laser Engineering, Osaka University, 2-6 Yamada-oka, Suita, Osaka 565-0871, Japan
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Nakatsuka Masahiro
Institute for Laser Technology, 1-8-4 Utsubo-Honmachi, Nishi-ku, Osaka 550-0004, Japan
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Kan Hirofumi
Central Research Laboratory, Hamamatsu Photonics K.K., 5000 Hirakuchi, Hamakita, Shizuoka 434-8601, Japan
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Kageyama Nobuto
Central Research Laboratory, Hamamatsu Photonics K.K., 5000 Hirakuchi, Hamakita, Shizuoka 434-8601, Japan
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Yamakawa Koichi
Advanced Photon Research Center, Kansai Research Establishment, Japan Atomic Energy Research Institute, 8-1 Umemidai, Kizu-cho, Kyoto 619-0215, Japan
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Kiriyama Hiromitsu
Advanced Photon Research Center, Kansai Research Establishment, Japan Atomic Energy Research Institute, 8-1 Umemidai, Kizu-cho, Kyoto 619-0215, Japan
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