超连续谱注入飞秒光参量放大实验研究
Experimental investigation on femtosecond laser pulse amplification by supercontinuum white light injection
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摘要: 提出了一种很有特色的基于超连续谱注入的飞秒光参量放大技术，该种技术方法不仅克服了常规1 053 nm脉冲在前端小能量放大时的增益窄化现象，而且可实现800 nm激光和1 053 nm激光的零时间同步。通过系统的实验研究，获得了大于4 mJ的1 053 nm宽带信号光能量
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关键词:
- 飞秒脉冲 /
- 光参量放大(OPA) /
- 超连续谱
Abstract: Based on supercontinuum injection, a new method of high-energy femtosecond parametric amplification is put forward. The method overcomes the gain narrowing effect of the conventional 1 053 nm low-energy amplification and realizes the synchronization between 800 nm and 1 053 nm laser pulses. Through systematic experimental investigation, a broadband 1 053 nm laser pulse is obtained, with energy exceeding 4 mJ,which is the maximum energy obtained directly through a femtosecond OPA in the world. -
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