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陶瓷表面放电光泵浦源放电特性研究

黄超 马连英 朱峰 安晓霞 于力 刘晶儒

黄超, 马连英, 朱峰, 安晓霞, 于力, 刘晶儒. 陶瓷表面放电光泵浦源放电特性研究[J]. 中国光学(中英文), 2019, 12(6): 1321-1328. doi: 10.3788/CO.20191206.1321
引用本文: 黄超, 马连英, 朱峰, 安晓霞, 于力, 刘晶儒. 陶瓷表面放电光泵浦源放电特性研究[J]. 中国光学(中英文), 2019, 12(6): 1321-1328. doi: 10.3788/CO.20191206.1321
HUANG Chao, MA Lian-ying, ZHU Feng, AN Xiao-xia, YU Li, LIU Jing-ru. Discharge characteristics of optical pumping source by ceramic surface discharge[J]. Chinese Optics, 2019, 12(6): 1321-1328. doi: 10.3788/CO.20191206.1321
Citation: HUANG Chao, MA Lian-ying, ZHU Feng, AN Xiao-xia, YU Li, LIU Jing-ru. Discharge characteristics of optical pumping source by ceramic surface discharge[J]. Chinese Optics, 2019, 12(6): 1321-1328. doi: 10.3788/CO.20191206.1321

陶瓷表面放电光泵浦源放电特性研究

doi: 10.3788/CO.20191206.1321
基金项目: 

激光与物质相互作用国家重点实验室基金项目 SKLLIM1011-01

详细信息
    作者简介:

    黄超(1979—), 男, 重庆万州人, 硕士, 助理研究员, 2002年于四川大学获得学士学位, 2009年于西北核技术研究所获得硕士学位, 主要从事激光技术及应用方面的研究。E-mail:471356437@qq.com

  • 中图分类号: TN248.5

Discharge characteristics of optical pumping source by ceramic surface discharge

Funds: 

State Key Laboratory Foundation of Laser Interaction with Matter SKLLIM1011-01

More Information
  • 摘要: 为了提高表面放电光泵浦源的寿命,以Al2O3陶瓷作为放电基板,研制了分段表面放电光泵浦源。基于放电电压和电流波形,详细研究了泵浦源的放电周期,放电通道电阻,能量沉积效率和等离子体功率密度。发现泵浦源的放电周期、放电通道电阻和能量沉积效率均随放电间隙长度和混合气体气压的增大而变大,随充电电压的增加而减小;而等离子体功率密度主要取决于充电电压和放电间隙长度,基本不随混合气体气压的改变而变化。在充电电压为26.8 kV,气压为100 kPa,放电间隙长8 cm的条件下,泵浦源的能量沉积效率约为82%,等离子体功率密度达到了9.36 MW/cm。实验研究表明:Al2O3陶瓷表面放电光泵浦源具有良好的放电特性,较同等条件下聚四氟乙烯表面放电光泵浦源的等离子体功率密度更高,可产生更强的真空紫外辐射,辐射亮度温度大于23 kK。Al2O3陶瓷表面放电光泵浦源适用于光泵浦XeF2气体形成大功率XeF(C-A)蓝绿激光。

     

  • 图 1  陶瓷表面放电光泵浦源的结构示意图

    Figure 1.  Structure schematic of surface discharge optical pumping source with Al2O3 ceramic substrate

    图 2  放电光泵浦源的放电电压和电流波形

    Figure 2.  Voltage and current waveform for surface discharge optical pumping source

    图 3  放电周期随电压、间隙和气压的变化

    Figure 3.  Discharge period varies with charge voltage, discharge gap and pressure of mix gas

    图 4  放电等离子体照片

    Figure 4.  Image of discharge plasma for surface discharge source

    图 5  不同条件下的放电通道电阻

    Figure 5.  Discharge channel resistance under different conditions

    图 6  电流陡度随电压、间隙和气压的变化

    Figure 6.  Current gradient varies with charge voltage, discharge gap and pressure of mix gas

    图 7  能量沉积效率随电压、间隙和气压的变化

    Figure 7.  Energy deposition efficiency varies with charge voltage, discharge gap and pressure of mix gas

    图 8  等离子体功率密度随电压、间隙和气压的变化

    Figure 8.  Average power density of discharge plasma varies with charge voltage, discharge gap and pressure of mix gas

    图 9  辐射亮度温度随放电等离子体功率密度的变化情况

    Figure 9.  Radiation brightness temperature varies with average power density of discharge plasma

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出版历程
  • 收稿日期:  2018-12-05
  • 修回日期:  2019-02-02
  • 刊出日期:  2019-12-01

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