化学增透膜激光疲劳损伤效应

蒋勇; 贾奎; 邱荣; 廖威; 晏良宏; 王毕艺; 官上洪; 郭德成; 周强; 袁晓东

doi:10.11884/HPLPB201830.180150

化学增透膜激光疲劳损伤效应

doi: 10.11884/HPLPB201830.180150

蒋勇^{1, 2, 3,},
贾奎²,
邱荣^{1, 2, 3},
廖威⁴,
晏良宏⁴,
王毕艺⁵,
官上洪⁵,
郭德成^{1, 2, 3},
周强^{1, 2, 3},
袁晓东⁴

1.
四川省军民融合研究院, 四川绵阳, 621010
2.
西南科技大学理学院, 四川绵阳 621010
3.
西南科技大学-中国工程物理研究院激光聚变研究中心极端条件物质特性联合实验室, 四川绵阳 621010
4.
中国工程物理研究院激光聚变研究中心, 四川绵阳 621900
5.
光电信息控制和安全技术重点实验室, 天津 300308

基金项目:

四川省大学生创新创业训练资助项目 17CXCY64

国家自然科学基金项目 61505170

国家自然科学基金项目 61775235

国家自然科学基金项目 61705205

国家自然科学基金项目 U1530109

国家自然科学基金项目 61505171

西南科技大学龙山人才计划资助项目 17LZX669

西南科技大学龙山人才计划资助项目 18LZX516

详细信息

作者简介:
蒋勇(1982-)，男，博士，副教授，从事强激光与物质相互作用的理论与实验方面的研究工作; y_jiang@swust.edu.cn

中图分类号: O439
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- 被引次数: 0
出版历程
- 收稿日期: 2018-05-29
- 修回日期: 2018-07-02
- 刊出日期: 2018-10-15

Laser fatigue damage effect on chemical antireflection film

Jiang Yong^{1, 2, 3
,},
Jia Kui²,
Qiu Rong^{1, 2, 3},
Liao Wei⁴,
Yan Lianghong⁴,
Wang Biyi⁵,
Guan Shanghong⁵,
Guo Decheng^{1, 2, 3},
Zhou Qiang^{1, 2, 3},
Yuan Xiaodong⁴

1.
Sichuan Civil-military Integration Institute, Mianyang 621010, China
2.
School of Science, Southwest University of Science and Technology, Mianyang 621010, China
3.
Joint Laboratory for Extreme Conditions Matter Properties, Southwest University of Science and Technology-Research Center of Laser Fusion, CAEP, Mianyang 621010, China
4.
Research Center of Laser Fusion, CAEP, Mianyang 621900, China
5.
Science and Technology on Electro-Optical Information Security Control Laboratory, Tianjing 300308, China

摘要

摘要: 疲劳效应是诱导高功率固体激光装置中光学元件激光损伤的因素之一，目前对SiO₂化学增透膜激光诱导疲劳损伤的研究鲜见报道。基于此，本文采用单一激光能量多发次辐照和多梯度激光能量多发次辐照两种不同的激光辐照方式，研究1064 nm化学增透膜层的激光疲劳损伤效应及特征。研究结果表明，在单一激光能量多发次脉冲激光辐照下，膜层最易发生疲劳损伤; 采用多梯度激光能量多发次辐照的方式，可以有效地提升膜层的损伤阈值，进而提升膜层的抗激光疲劳损伤性能。
- 疲劳损伤 /
- 化学增透膜 /
- 激光辐照 /
- 损伤阈值
Abstract: Fatigue effect is one of the factors leading to the damage of chemical film on optical components in high power laser system. However, few attentions are given on this issue. In this work, two irradiation types, single fluences with multi-shots and multi-gradient fluence with multi-shots, are utilized to investigate the characteristics and effect of laser fatigue damage on antireflection film at 1064 nm. The results indicate that fatigue damage is easy to occur on film under multi-shot laser irradiation. While the damage threshold and the resistance of fatigue effect can be effectively improved at the multi-gradient fluence with multi-shots. The results can provide references on methods and technique to improve the resistance ability and resist the fatigue damage of film.
- fatigue damage /
- chemical antireflection film /
- laser irradiation /
- damage threshold

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图 1 损伤测试光路图

Figure 1. Schematic of damage test system

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图 2 熔石英基底损伤形貌

Figure 2. Damage morphology of fused silica substrate

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图 3 膜层/基底损伤光学显微图

Figure 3. Optical microscopic images of film/substrate damage

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表 1 样品基底和膜层S-on-1和1-on-1测试结果

Table 1. Laser-induced damage thresholds(LIDTs) of substrate and film by S-on-1 and 1-on-1 tests

	S-on-1 LIDT/(J/cm²)			1-on-1 LIDT/(J/cm²)
	0%	50%	100%	0%	50%	100%
substrate	4.81	6.2	7.58	4.48	5.91	7.33
film	4.32	5.28	6.25	4.41	5.45	6.49

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表 2 方式一疲劳损伤测试结果

Table 2. Fatigue damage test results by Mode A

substrate			film
No.	fluence/ (J/cm²)	number of shots	No.	fluence/ (J/cm²)	number of shots
P₁	4.7	500	P₁	4.54	500
P₂	5.38	500	P₂	4.89	500
P₃	5.56	500	P₃	5.15	500
P₄	5.76	7	P₄	5.32	154
P₅	6.02	5	P₅	5.46	4

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表 3 方式二疲劳损伤测试结果

Table 3. Fatigue damage test results by mode B

substrate			film
No.	fluence/ (J/cm²)	number of shots	No.	fluence/ (J/cm²)	number of shots
P₁	5.25	500	P₁	5.05	500
P₁	6.01	77	P₁	6.07	53
P₂	4.94	500	P₂	5.33	500
	5.56	500		5.76	500
	6.35	141		6.26	274
P₃	4.76	500	P₃	4.56	500
	5.66	500		5.10	500
	6.25	500		5.90	500
	6.99	371		6.69	37

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参考文献(19)

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