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光脉冲压缩器光栅失调的在线监测与调节方法

Online Monitoring and Adjusting Method for Misaligned Gratings of Optical Pulse Compressor

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摘要

为了解决双通单平行光栅对压缩器构型里光栅失调问题,设计了一套结构简单的监测系统方案,根据系统结构进行数值模拟,通过模拟分析提出了一种新的光栅在线调节方法。考虑两块光栅不同维度的失调量,结合模拟得出监测量与失调量的关系,根据监测量变化将失调量一一分离调节,最后将真空室中的失调光栅调回理想位置。对该方法进行了误差和可行性分析,根据压缩器构型参数,得到调节精度范围为0.30~2.78 μrad。

Abstract

To solve the misaligned grating problem in the double-pass single-parallel two-grating compressor system, a monitoring system with simple structure is designed. Numerical simulation is investigated based on the system scheme and an original method for online adjusting gratings is proposed. All dimensions of two misaligned gratings are analyzed and then separated to adjust step by step based on the relationship between monitoring variables and misadjustment until the misaligned gratings in the vacuum chamber have been adjusted back to the ideal position. The alignment error and reliability discussion of the method are presented. Based on the existed parameters of the system, the accuracy range from 0.30 μrad to 2.78 μrad is obtained.

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中图分类号:O436

DOI:10.3788/cjl201643.0801002

所属栏目:高能超短激光脉冲技术

基金项目:国家863计划(2014AA8044010)

收稿日期:2016-02-01

修改稿日期:2016-03-30

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夏素秋:中国科学院上海光学精密机械研究所高功率激光物理联合实验, 上海 201800中国科学院大学, 北京 100049
杨庆伟:中国科学院上海光学精密机械研究所高功率激光物理联合实验, 上海 201800
石帅旭:中国科学院上海光学精密机械研究所高功率激光物理联合实验, 上海 201800中国科学院大学, 北京 100049
谢兴龙:中国科学院上海光学精密机械研究所高功率激光物理联合实验, 上海 201800
朱健强:中国科学院上海光学精密机械研究所高功率激光物理联合实验, 上海 201800

联系人作者:夏素秋(xiasuqiu@163.com)

备注:夏素秋(1991—),女,硕士研究生,主要从事光栅压缩器调节方面的研究。

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引用该论文

Xia Suqiu,Yang Qingwei,Shi Shuaixu,Xie Xinglong,Zhu Jianqiang. Online Monitoring and Adjusting Method for Misaligned Gratings of Optical Pulse Compressor[J]. Collection Of theses on high power laser and plasma physics, 2016, 14(1): 0801002

夏素秋,杨庆伟,石帅旭,谢兴龙,朱健强. 光脉冲压缩器光栅失调的在线监测与调节方法[J]. 高功率激光及等离子体物理研究论文集(专题), 2016, 14(1): 0801002

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