| 用于宽带啁啾脉冲光参量放大系统精确同步的新方法 |
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| 引用本文： | 高艳霞,赵改清,徐世祥.用于宽带啁啾脉冲光参量放大系统精确同步的新方法[J].光学学报,2007,27(8):1481-1484. |
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| 作者姓名： | 高艳霞 赵改清 徐世祥 |
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| 作者单位： | 1. 深圳大学物理科学学院应用物理系,深圳,518060
2. 华东师范大学光谱学与波谱学教育部重点实验室,上海,200062 |
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| 基金项目： | 国家高技术研究发展计划(863计划) |
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| 摘 要： | 基于非共线光参量放大,以波长800 nm飞秒激光的倍频光为抽运光,以激光二极管640 nm连续波激光为信号光,产生了与800 nm飞秒激光精确同步的无直流本底的1064 nm脉冲光。实验结果显示该1064 nm的光脉冲在脉冲能量和空间光束质量上均可作为1064 nm波长脉冲放大器的种子光。仅通过一级简单紧凑的非共线参量放大就可实现光周期量级的光参量啁啾脉冲放大系统的抽运激光和种子光的精确同步。
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| 关 键 词： | 非线性光学 非共线光参量放大 光参量啁啾脉冲放大 时间同步 |
| 文章编号： | 0253-2239（2007）08-1481-4 |
| 收稿时间： | 2007/2/5 |
| 修稿时间： | 2007-02-05 |
A Novel All-Optical Accurate Synchronization for Broadband Optical Parametric Chirped Pulse Amplification |
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| Gao Yanxia,Zhao Gaiqing,Xu Shixiang.A Novel All-Optical Accurate Synchronization for Broadband Optical Parametric Chirped Pulse Amplification[J].Acta Optica Sinica,2007,27(8):1481-1484. |
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| Authors: | Gao Yanxia Zhao Gaiqing Xu Shixiang |
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| Institution: | 1. Department of Applied Physics, School of Physics, University of Shenzhen, Shenzhen 518060; 2. Key Laboratory of Optical and Magnetic Resonance Spectroscopy, Ministry of Education, East China Normal University, Shanghai 200062 |
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| Abstract: | The generation of direct current backgroundfree pulses at 1064 nm that are accurately synchronized with femtosecond pulses at 800 nm is reported by use of a continuous-wave diode laser seeded noncollinear optical parametric amplification pumped by frequency-doubled femtosecond laser at 800 nm.The experimental results show that the laser pulses are quite qualified as the seed pulses of the pulsed laser amplification operating at 1064 nm due to their high pulse energy and spatial beam quality.An accurate all-optical synchronization is realized between pump and signal beams in an optical parametric chirped pulse amplification system just through a single-stage compact noncollinear optical parametric amplifier. |
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| Keywords: | nonlinear optics noncollinear optical parametric amplification optical parametric chirped pulse amplification temporal synchronization |
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