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Development of Stable Seed Pulses for Optically Synchronized Optical Parametric Chirped-Pulse Amplifier Pumping
https://repo.qst.go.jp/records/48022
https://repo.qst.go.jp/records/48022303672be-0dd4-4ee4-a7c8-50cb8d541852
Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2017-06-06 | |||||
タイトル | ||||||
タイトル | Development of Stable Seed Pulses for Optically Synchronized Optical Parametric Chirped-Pulse Amplifier Pumping | |||||
言語 | ||||||
言語 | eng | |||||
資源タイプ | ||||||
資源タイプ識別子 | http://purl.org/coar/resource_type/c_6501 | |||||
資源タイプ | journal article | |||||
アクセス権 | ||||||
アクセス権 | metadata only access | |||||
アクセス権URI | http://purl.org/coar/access_right/c_14cb | |||||
著者 |
Miyasaka, Yasuhiro
× Miyasaka, Yasuhiro× Kiriyama, Hiromitsu× Kishimoto, Maki× Mori, Michiaki× Kando, Masaki× Kondo, Kiminori× 宮坂 泰弘× 桐山 博光× 岸本 牧× 森 道昭× 神門 正城× 近藤 公伯 |
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抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | In this paper, we report the development of optically synchronized seed pulses to achieve low-jitter pump pulses for optical parametric chirped-pulse amplification in a petawatt-class laser system. The 1064 nm pulses are generated from Ti:sapphire oscillator pulses by soliton self-frequency shift in a photonic crystal fiber (PCF). The center wavelength of the PCF output spectrum is kept at 1064 nm using a newly proposed feedback control system. This is performed by rotating a half wave plate automatically by an amount that depends on the extent of center wavelength shift. The center wavelength is stable, with a fluctuation of less than 0.02% (root mean square). The stabilized pulses are amplified to 150 mW at 80 MHz by four Yb:fiber amplifiers and stretched to 1.2 ns by a fiber Bragg grating. As a preliminary result, the stretched pulses are amplified in a diode-pumped Nd:YAG regenerative amplifier to 135 mJ at 1 Hz. | |||||
書誌情報 |
レーザー研究 巻 45, 号 2, p. 108-111, 発行日 2017-02 |
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出版者 | ||||||
出版者 | 一般社団法人レーザー学会 | |||||
ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 0387-0200 |