压缩空气点火的无电烟火泵浦激光技术研究

蒋炜; 郑涪升; 何智兵; 叶成; 唐永建

doi:10.11884/HPLPB202436.240038

压缩空气点火的无电烟火泵浦激光技术研究

doi: 10.11884/HPLPB202436.240038

蒋炜^{1, 2,},
郑涪升^1, ,,
何智兵³,
叶成¹,
唐永建¹

1.
西南科技大学，四川绵阳 621010
2.
绵阳师范学院，四川绵阳 621000
3.
中国工程物理研究院激光聚变研究中心，四川绵阳 621900

基金项目: 四川省科技支撑计划项目(2021JDRC0019)

详细信息

作者简介:
蒋　炜，15569098@qq.com

通讯作者:
郑涪升，woyoucaidao@hotmail.com。

中图分类号: TN248
计量
- 文章访问数: 24
- HTML全文浏览量: 10
- PDF下载量: 2
- 被引次数: 0
出版历程
- 收稿日期: 2024-01-25
- 修回日期: 2024-04-24
- 录用日期: 2024-04-16
- 网络出版日期: 2024-04-30
- 刊出日期: 2024-05-11

Study on compressed air ignition non-electric pyrotechnically pumped laser technology

1.
Southwest University of Science and Technology, Mianyang 621010, China
2.
Mianyang Teachers’ college, Mianyang 621000, China
3.
Laser Fusion Research Center, CAEP, Mianyang 621900, China

摘要

摘要: 为了解决传统固体烟火泵浦激光器点火效率低和电能依赖的问题，根据绝热压缩原理，设计使用了完全无电的压缩空气点燃烟火药泵浦Nd:YAG激光介质，提高了点火同步性和烟火药燃烧效率，实现了激光输出阈值药剂量10 mg，使用30 mg KClO₄/Zr药剂，获得了30.2 mJ的激光能量，脉冲宽度10 ms，为小型无电高能激光器提供了一条新的实现路径。
- 固体激光器 /
- 烟火泵浦 /
- 点火方式 /
- 压缩空气 /
- 电能
Abstract: To address the low ignition efficiency and reliance on electricity in traditional solid-state pyrotechnic pumped lasers, we designed a system based on the principle of adiabatic compression, utilizing entirely non-electric compressed air to ignite the pyrotechnic materials in a Nd:YAG laser medium. This design improves ignition synchronicity and pyrotechnic material combustion efficiency, achieving a laser output threshold of 10 mg of pyrotechnic agent and utilizing 30 mg of KClO₄/Zr agent, resulting in a laser energy of 30.2 mJ with a pulse width of 10 ms. This advancement provides a new implementation pathway for small-scale non-electric high-energy lasers.
- solid state laser /
- pyrotechnic pumping /
- ignition method /
- compressed air /
- electric energy

HTML全文

图 1 压缩空气点火的烟火泵浦激光器整机结构

Figure 1. Compressed air ignition pyrotechnic pumped laser structural

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图 2 烟火药燃烧时间波形

Figure 2. Pyrotechnic burn time waveform

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图 3 压缩空气点火的烟火药燃烧光谱

Figure 3. Spectral analysis of pyrotechnic combustion ignited by compressed air

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图 4 压缩空气点火的激光输出光谱

Figure 4. Laser output spectrum of compressed air ignition

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图 5 激光时间波形

Figure 5. Laser temporal waveform

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表 1 压缩空气点火实验结果

Table 1. Experimental results of compressed air ignition

cylinder bore diameter/mm	piston stroke/mm	luminescent length/mm	compression ratio	adiabatic temperature/℃	ignition status
8	100	10	11.00	322	√
8	100	15	7.67	264	√
8	100	20	6.00	228	√
8	100	25	5.00	202	√
8	100	30	4.33	183	×
8	100	35	3.86	168	×
10	100	10	11.00	322	√
10	100	15	7.67	264	√
10	100	20	6.00	228	×
10	100	25	5.00	202	×
10	100	30	4.33	183	×
10	100	35	3.86	168	×

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表 2 压缩空气点火激光输出实验结果

Table 2. Experimental results of laser output with compressed air ignition

pyrotechnic mass/mg	compression ratio	luminescent length/mm	laser energy/mJ	note
10	7.67	15		no laser
10	6.00	20		no laser
10	5.00	25	8.4
20	7.67	15	6.0
20	6.00	20	10.5
20	5.00	25	12.7
30	7.67	15		cylinder explosion
30	6.00	20	18.4
30	5.00	25	30.2
40	7.67	15		cylinder explosion
40	6.00	20		cylinder explosion
40	5.00	25		cylinder explosion

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表 3 烟火泵浦激光器的主要研究成果

Table 3. The main research achievements of the pyrotechnic pumped laser

references	ignition method	pyrotechnic form	max threshold mass/mg	max pulse width/ms	max pyrotechnic mass/mg	max laser energy	max specific energy/(J·g⁻¹)
this article	compressed air	dust cloud	10	5	30	30.2	1.01
in Ref.[16]	point-type electric	dust cloud	20	50	150	2151	14.33
in Ref.[2]	line-type electric	granular	80	7-10	—	—	—
in Ref.[10]	line-type electric	granular	—	7	500	1000	2.00
in Ref.[9]	line-type electric	granular	—	1.2	50	55	1.10
in Ref.[23]	line-type electric	torus	—	5.6	850	5500	6.47
in Ref.[15]	line-type electric	granular	1080	40	2520	1010	0.40
in Ref.[19]	surface flash electric	plane	20	10	100	702	7.02

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