结构参数对环形氙灯光效影响的实验研究

杨泽锋; 刘冠宇; 李兴文; 贾申利; 刘建军; 李海兵; 隋展

doi:10.11884/HPLPB201830.170263

结构参数对环形氙灯光效影响的实验研究

doi: 10.11884/HPLPB201830.170263

1.
西安交通大学电力设备电气绝缘国家重点实验室, 西安 710049
2.
中国科学院上海光学精密机械研究所, 上海 201800
3.
中国工程物理研究院上海激光等离子体研究所, 上海 201800

基金项目: 国防重大专项基金项目

详细信息

作者简介:
杨泽锋(1989－), 男，博士研究生，从事脉冲功率与等离子体研究；yangzefeng@foxmail.com

通讯作者:
李兴文(1978－), 男，博士，从事脉冲功率与等离子体研究；xwli@mail.xjtu.edu.cn

中图分类号: TN245;TL632
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- 被引次数: 0
出版历程
- 收稿日期: 2017-06-27
- 修回日期: 2017-10-09
- 刊出日期: 2018-02-15

Experiment study of structure parameters influence on annular flash lamp radiation efficiency

1.
State Key Laboratory of Electrical Insulation and Power Equipment, Xi'an Jiaotong University, Xi'an 710049, China
2.
Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Shanghai 201800, China
3.
Shanghai Institute of Laser Plasma, CAEP, Shanghai 201800, China

摘要

摘要: 脉冲氙灯作为放大器的泵浦源，其泵浦效率直接影响放大器效率。环形氙灯被证明是一种有望提高泵浦效率, 并代替目前直管氙灯工作的新型氙灯。针对不同气压、不同结构的环形氙灯，通过实验研究了气压和内径对环形氙灯放电特性、光效特性以及爆炸特性的影响。结果表明，增加环形氙灯气压和内径可提高其光学效率，被泵浦钕玻璃的荧光最大可提高峰值22.3%，积分值15.7%。但是，增加气压和内径会降低环形氙灯的热负载能力。实验发现气压为26 664 Pa，内径为30 mm的环形氙灯拥有最佳光效并能通过寿命测试。
- 环形氙灯 /
- 气压 /
- 内径 /
- 光效 /
- 爆炸特性
Abstract: As an important component of the amplifier, the flash lamp pumping efficiency directly affects the amplifier efficiency. Compared with the traditional flash lamp, the new structure flash lamp with a vacuum bubble inside (annular flash lamp) is proved having the advantage of higher radiation efficiency. This paper studies the influences of different pressures and structures on the annular flash lamps' discharge, radiation and explosion characteristics. Results indicate that increasing the pressure and internal diameter of annular flash lamp can improve the radiation efficiency. The fluorescence from the neodymium glass can be improved by 22.3% of peak value and 15.7% of integral value. However, increasing the pressure and internal diameter will deduce the thermal load limit. It is experimentally demonstrated that the annular flash lamp with 26 664 Pa and internal diameter 30 mm has the highest radiation efficiency and can pass lifetime test.
- annular flash lamp /
- pressure /
- internal diameter /
- radiation efficiency /
- explosion characteristic

HTML全文

图 1 放电回路原理图，氙灯布置及钕玻璃荧光测量系统

Figure 1. Schematic of discharge circuit, flash lamp layout and measuring system of Nd: glass fluorescence

下载: 全尺寸图片幻灯片

图 2 不同氙灯结构的电压电流波形

Figure 2. Voltage and current curves from different flash lamp structure

下载: 全尺寸图片幻灯片

图 3 不同结构的氙灯的光波形和被泵浦的钕玻璃荧光

Figure 3. Light waves of flash lamp and fluorescence of neodymium glass

下载: 全尺寸图片幻灯片

图 4 爆炸氙灯的电压电流

Figure 4. Voltage and current in flash lamp explosion

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表 1 实验氙灯

Table 1. Parameters of experimental flash lamps

index	air pressure/Pa	internal diameter/mm	outer diameter/mm	experimental result
traditional 1	13 332	0	48	intact
traditional 2	26 664	0	48	intact
annular 3	13 332	16	48	intact
annular 4	13 332	22	48	intact
annular 5	13 332	30	48	intact
annular 6	13 332	36	48	intact
annular 7	19 998	16	48	intact
annular 8	19 998	22	48	intact
annular 9	19 998	30	48	intact
annular 10	19 998	36	48	burst
annular 11	26 664	16	48	intact
annular 12	26 664	22	48	intact
annular 13	26 664	30	48	intact
annular 14	26 664	36	48	burst

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表 2 气压26 664 Pa的不同氙灯结构进灯能量

Table 2. Energy fed in lamps of different internal diameter with same pressure (26 664 Pa)

internal diameter/mm	energy
internal diameter/mm	11 kV	12 kV	13 kV
0	12 842.6	15 054.2	17 569.7
16	13 212.2	15 995.7	18 910.0
22	13 952.6	16 513.9	19 300.3
30	14 238.8	16 820.5	19 992.5
36	burst

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表 3 气压26 664 Pa的不同氙灯辐射总能量

Table 3. Total radiation energy of flash lamps with pressure of 26 664 Pa

internal diameter/mm	energy
internal diameter/mm	11 kV	12 kV	13 kV
0	1.78	2.06	2.40
16	1.91	2.20	2.52
22	1.97	2.28	2.60
30	1.99	2.30	2.63
36	burst

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表 4 不同气压下，内径30 mm环形氙灯辐射总能量

Table 4. Total radiation energy of flash lamps with different pressures

air pressure/Pa	energy
air pressure/Pa	11 kV	12 kV	13 kV
13332	1.86	2.15	2.42
19998	1.90	2.20	2.51
26664	1.98	2.30	2.63

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表 5 不同氙灯结构爆炸特性

Table 5. Explosion character of different flash lamps

internal diameter/mm	voltage/kV	capacitive energy storage/J	1/3 pulse width/μs	ultimate explosion energy/J	explosion coefficient	life(number of times used)
22	18.1	75 350	569	114 039	0.66	35
30	18.0	74 520	568	113 939	0.65	38
36	16.8	64 915	586	115 730	0.56	142

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