YAG Laser Perfomance Improved by Stimulated Brillouin Scattering Phase Conjugation Mirror in Thomson Scattering Diagnostics at JT-60
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概要
- 論文の詳細を見る
An improvement of the output energy of a multistage YAG laser system by using a stimulated Brillouin scattering (SBS) phase conjugation mirror (PCM) was achieved. The phase conjugation of the optically nonlinear SBS process in a liquid material effectively compensated thermal degradation at an average/peak power amplifier, resulting in an average power increase from 1.5 J at 30 Hz repetition rate to 2.6 J at 50 Hz drive. The beam quality was also recovered without wave front deformation and depolarization resulting in a transfer-limited divergence with a good flat-top pattern in a near field.
- 2003-02-15
著者
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HATAE Takaki
Japan Atomic Energy Research Institute
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KITAMURA Shigeru
Japan Atomic Energy Research Institute
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Yoshida Hidetsugu
Institute Of Laser Engineering Osaka University
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Nakatsuka Masahiro
Institute of Laser Engineering, Osaka University, 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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Kashiwabara Tsuneo
Japan Atomic Energy Research Institute, Naka-machi, Naka-gun, Ibaraki 311-0193, Japan
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Hatae Takaki
Japan Atomic Energy Research Institute, Naka-machi, Naka-gun, Ibaraki 311-0193, Japan
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HATAE Takaki
Japan Atomic Energy Agency
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