脉冲激光器种子注入状态检测装置与实验研究

潘艺升; 闫召爱; 郭文杰; 徐轻尘; 胡雄

doi:10.7510/jgjs.issn.1001-3806.2016.02.001

脉冲激光器种子注入状态检测装置与实验研究

1.
中国科学院空间科学与应用研究中心临近空间环境研究室, 北京 100190;
2.
中国科学院大学地球科学学院, 北京 100049

作者简介: 潘艺升(1989-),男,硕士研究生,现主要从事临近空间环境、激光雷达的研究。.

通讯作者: 徐轻尘, xqc@nssc.ac.cn ;

基金项目:
高分专项青年创新基金资助项目;国家八六三高技术研究发展计划资助项目;国家自然科学基金资助项目(4104100)
中图分类号: TN247

Pulse laser injection seeded state detector and experimental research

1.
Laboratory of Nearspace, Center for Space Science and Applied Research, Chinese Academy of Sciences, Beijing 100190, China;
2.
School of Earth Sciences, University of Chinese Academy of Sciences, Beijing 100049, China

Corresponding author: XU Qingchen, xqc@nssc.ac.cn ;

CLC number: TN247

摘要: 为了解决非注入状态激光脉冲对非相干多普勒激光雷达测风结果可靠性的影响,利用注入与非注入状态激光脉冲建立时间不同的原理,设计和实现了一种脉冲激光种子注入状态检测器,其时间测量精度为45ps,测量时间范围为3.5ns~2500ns,最高脉冲重复频率为1kHz。利用该检测器对某型号Nd:YAG脉冲激光器进行了种子注入状态检测实验,结果显示注入(非注入)状态脉冲建立平均时间为123.27ns(134.44ns),1.35h内非注入状态激光脉冲占总激光脉冲比例为8.54%。结果表明,该脉冲激光种子注入状态检测器能够有效地检测出非注入状态的激光脉冲,对于提高激光雷达测风可靠性具有潜在的价值。
- 激光技术 /
- 种子注入状态检测 /
- 激光脉冲建立时间 /
- 多普勒测风激光雷达
Abstract: To avoid the influences of unseeded laser pulses on wind speed measurement of incoherent Doppler wind lidar, a detector of pulse laser injection seeded state was designed and implemented based on the principle of different laser pulse building time of the injection seeded and unseeded state. The time measurement accuracy of the detector was 45ps, time measurement range was from 3.5ns to 2500ns, and the highest pulse repetition rate was up to 1kHz. The experiment of injection seeded state detection was conducted with the detector. The results show that laser pulse building time of the injection seeded state is 123.27ns, less than 134.44ns of the unseeded state. The proportion of injection unseeded laser pulses to total laser pulses is 8.54% within 1.35h. The pulse laser injection seeded state detector can effectively detect and discriminate the injection seeded and unseeded laser pulses. The detector has a potential value to improve wind speed measurement reliability of Doppler wind lidar.
- laser technique /
- injection seeded state detection /
- laser pulse building time /
- Doppler wind lidar

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脉冲激光器种子注入状态检测装置与实验研究

作者简介: 潘艺升(1989-),男,硕士研究生,现主要从事临近空间环境、激光雷达的研究。.

通讯作者: 徐轻尘, xqc@nssc.ac.cn ;

Pulse laser injection seeded state detector and experimental research

Corresponding author: XU Qingchen, xqc@nssc.ac.cn ;

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脉冲激光器种子注入状态检测装置与实验研究

通讯作者: 徐轻尘, xqc@nssc.ac.cn;

作者简介: 潘艺升(1989-),男,硕士研究生,现主要从事临近空间环境、激光雷达的研究。

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Pulse laser injection seeded state detector and experimental research

Corresponding author: XU Qingchen, xqc@nssc.ac.cn

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留言板

脉冲激光器种子注入状态检测装置与实验研究

作者简介: 潘艺升(1989-),男,硕士研究生,现主要从事临近空间环境、激光雷达的研究。.

通讯作者: 徐轻尘, xqc@nssc.ac.cn ;

Pulse laser injection seeded state detector and experimental research

Corresponding author: XU Qingchen, xqc@nssc.ac.cn ;

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脉冲激光器种子注入状态检测装置与实验研究

通讯作者: 徐轻尘, xqc@nssc.ac.cn;

作者简介: 潘艺升(1989-),男,硕士研究生,现主要从事临近空间环境、激光雷达的研究。

English Abstract

Pulse laser injection seeded state detector and experimental research

Corresponding author: XU Qingchen, xqc@nssc.ac.cn

全文HTML

目录