Experiment Study on Discharge Characteristics of Air Gap Guided by Laser Plasma

BAI Han; LIU Feng; REN Chengyan; SHAO Tao; YIN Yu; SHI Weidong; KANG Peng

doi:10.13296/j.1001-1609.hva.2017.04.003

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Experiment Study on Discharge Characteristics of Air Gap Guided by Laser Plasma

更新时间：2025-04-26

- Experiment Study on Discharge Characteristics of Air Gap Guided by Laser Plasma
- High VoltageApparatus Vol. 53, Issue 4, Pages: 13-17+24(2017)
- 作者机构：
  
  1. 中国科学院电工研究所
  2. 中国科学院大学
  3. 南京工业大学电气工程与控制科学学院
  4. 中国电力科学研究院
- 作者简介：
- 基金信息：
- DOI：10.13296/j.1001-1609.hva.2017.04.003
  CLC： TM86
- Published：2017
- 稿件说明：
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[1]白晗,刘峰,任成燕,邵涛,殷禹,时卫东,康鹏.激光等离子体引导空气间隙放电的实验研究[J].高压电器,2017,53(04):13-17+24.

BAI Han, LIU Feng, REN Chengyan, et al. Experiment Study on Discharge Characteristics of Air Gap Guided by Laser Plasma[J]. High voltageapparatus, 2017, 53(4): 13-17+24.
[1]白晗,刘峰,任成燕,邵涛,殷禹,时卫东,康鹏.激光等离子体引导空气间隙放电的实验研究[J].高压电器,2017,53(04):13-17+24. DOI： 10.13296/j.1001-1609.hva.2017.04.003.

BAI Han, LIU Feng, REN Chengyan, et al. Experiment Study on Discharge Characteristics of Air Gap Guided by Laser Plasma[J]. High voltageapparatus, 2017, 53(4): 13-17+24. DOI： 10.13296/j.1001-1609.hva.2017.04.003.

摘要

为推进激光引雷技术的实用化进程

文中开展了激光等离子体引导间隙放电的实验研究。采用Nd:YAG固体脉冲激光器电离空气产生一定浓度的等离子体通道

等离子体通道作用于施加一定电压的极板间的空气间隙

进而引导空气间隙的击穿放电。搭建了激光引导间隙放电的实验平台及测量系统

开展了不同激光能量（200、400 m J）及激光波长（532、1 064 nm）引导下间隙放电的实验研究

获得了不同参数激光等离子体对空气间隙击穿特性的影响规律。实验结果表明空气间隙击穿阈值电压随着激光能量的增大而降低并逐步趋于饱和

在相同输出能量下532 nm激光可更有效地降低空气间隙击穿阈值电压。研究结果为激光引雷技术的发展及应用提供了实验依据。

Abstract

In order to promote the practical application of laser induced lightning technology

in this paper we performed the experiment study on discharge characteristics of air gap guided by laser plasma. A solid Nd:YAG nanosecond pulse laser is used to ionize the air

produce plasma channel and then induce the breakdown of air gap between electrodes with applied high voltage. The experiment platform and measurement system was built. The discharge experiment

guided by different laser power（200、400 m J）and laser wavelength（532、1 064 nm）

was developed. The effect of laser plasma parameters on the breakdown characteristics of air gap was obtained. The results show that the breakdown threshold voltages at different gap distances decrease with the laser power output and then saturate to a voltage value. At the same laser power output

the breakdown threshold voltage with 532 nm laser is lower. The results provide experimental support for the development and application of laser guided lightning.

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