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高功率激光装置前端系统激光脉冲的时间整形及修正技术 被引量:8

Laser Pulse Shaping and Modification Techniques in Front-End of High-Power Laser Facility
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摘要 针对激光惯性约束聚变实验研究对高功率激光驱动器前端系统复杂时间形状种子激光脉冲的需求,应用孔径耦合带状线集成波导整形系统设计了满足需要的前端整形激光脉冲。用一种新方法精确计算了孔径耦合带状线电脉冲整形器的耦合系数和孔径宽度的数值关系,并针对高衬比度整形激光脉冲的需求,提出了高衬比度双极型集成波导整形系统方案。由该系统可以得到100 ps脉冲前沿、1~3 ns脉冲宽度可调、高衬比度(大于100:1)、光滑无纹波调制、可精确满足神光Ⅱ八路及第九路装置需求的前端整形激光脉冲。 Due to the demand of complicated-time-shape seed laser pulse for inertial confine fusion (ICF) research, by using the pulse-shaping system based on aperture-coupled striplines, we design the front-end laser pulse temporal waveform, which totally meets the requirement of physical experiments. Besides, we precisely calculate the numerical relationship between the voltage coupling coefficient of the aperture-coupling striplines and its aperture width with a new method. In order to meet the demand of high-contrast laser pulse waveform, we put forward a new scheme based on double-electrode integrated wave-guide modulator. The system is capable of providing 1-3 ns pulse envelope, high contrast (〉100:1) and slippery waveform, meeting the "ShenGuang Ⅱ " eight lines and the ninth facility demand of the front-end temporal shaping laser pulse.
出处 《光学学报》 EI CAS CSCD 北大核心 2007年第3期477-481,共5页 Acta Optica Sinica
关键词 激光技术 时间整形 孔径耦合带状线 层剥技术 电光波导调制器 laser technique temporal shaping aperture-coupling stripline layer-peeling technique electro-optic waveguide modulator
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参考文献6

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二级参考文献4

  • 1团体著者,固体激光导论,1974年
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