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高信噪比拍瓦激光装置的前端优化设计

Optimal Design of High Signal to Noise Ratio Petawatt Laser Front-End Device
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摘要 设计了一种用于替代现有商业化1053nm飞秒锁模激光振荡器的方案。该方案通过光参量啁啾脉冲放大技术(OPCPA)实现能量放大和波长变换,产生作为基频光的3160nm中红外激光脉冲,然后利用三倍频(THG)方式,实现高信噪比1053nm脉冲输出。该方案的应用有望提升拍瓦激光装置的前端信噪比,进而改善整个装置的输出信噪比。 A novel device is designed to replace the commercial 1053 nm femtosecond mode-locked laser oscillator. In this device, optical parametric chirped pulse amplification （OPCPA） is applied to realize energy amplification and wavelength conversion, and 3160 nm mid-infrared laser pulse is produced as the fundamental wave. Then a high signal to noise ratio （SNR） 1053 nm output pulse is got by the third harmonic generation （THG） process. The application of this device is expected to enhance the SNR of petawatt front-end and improve the SNR of the whole petawatt system at the same time.
作者 刘海辉 王韬 戴亚平 李大为 徐光
机构地区 中国工程物理研究院上海激光等离子体研究所 中国科学院上海光学精密机械研究所
出处 《中国激光》 EI CAS CSCD 北大核心 2014年第8期34-40,共7页 Chinese Journal of Lasers
基金 国家自然科学基金(61205137 11204331) 联合基金项目(U1330129)
关键词 光学器件 拍瓦 光参量啁啾脉冲放大 谐波转换 信噪比 optical devices petawatt； optical parametric chirped pulse amplification； harmonic conversion signal to noise ratio
分类号 O436 [机械工程—光学工程]
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参考文献23

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中国激光
2014年 第8期

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