An Allocation Method of Laser Damage Test Point Based on Nonlinear Fitting

Jiawei Zhou; Wang Cheng; Chenxuan Yin; Guangyan Guo; Lifen Liao; Hong Zhang; Yi Li; Qiangqiang Zhu; Le Wang; Yunfeng Ma

doi:10.3788/LOP222868

Laser & Optoelectronics Progress, Volume. 60, Issue 23, 2312004(2023)

An Allocation Method of Laser Damage Test Point Based on Nonlinear Fitting

Jiawei Zhou^1,2, Wang Cheng², Chenxuan Yin^2,3, Guangyan Guo^2,3, Lifen Liao^2,3, Hong Zhang¹, Yi Li¹, Qiangqiang Zhu¹, Le Wang^1、**, and Yunfeng Ma^2,3、*

Author Affiliations

¹College of Optical and Electronic Technology, China Jiliang University, Hangzhou 310018, Zhejiang, China

²Aerospace Information Research Institute, Chinese Academy of Sciences, Beijing 100094, China

³School of Optoelectronics, University of Chinese Academy of Sciences, Beijing 100049, China

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Figures & Tables(5)

Fig. 1. Probability distribution corresponding to different fluence levels in nonlinear damage probability curve

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Fig. 2. Sensitivity relationship curve between the change of test point and the root mean square error of fitting results under the level of 10 fluences. (a) Curve between the different test points and the root mean square error of fitting results under the level of 10 fluences; (b) corresponding curve to different test points under the first level energy density; (c) corresponding curve to different test points under the second level energy density

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Fig. 3. LIDT distribution of average distribution method and sensitive weight distribution method under nonlinear fitting

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Table 1. Test point allocation schemes of two methods under the different fluences

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Table 1. Test point allocation schemes of two methods under the different fluences

Item	Energy density /（J·cm^-2）
Item	20.5	22.6667	24.8333	27	29.1667	31.3333	33.5	35.6667	37.8333	40
Damage probability /%	10.29	42.33	61.40	73.28	80.98	86.12	89.66	92.15	93.94	95.26
Sensitivity weight distribution method	78	42	10	10	10	10	10	10	10	10
Average distribution method	20	20	20	20	20	20	20	20	20	20

Table 2. Results of two methods in five hundred thousand simulations

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Table 2. Results of two methods in five hundred thousand simulations

Item	Standard average distribution method /（J·cm^-2）	Sensitivity weight distribution method /（J·cm^-2）	Model parameter estimationD /cm^-2，T_defect /（J·cm^-2）
Average value	19.999	19.984	2000 ≤ D ≤ 7000
Standard deviation of 500000 simulation results	0.272	0.395	15 ≤ T_defect ≤ 30

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Jiawei Zhou, Wang Cheng, Chenxuan Yin, Guangyan Guo, Lifen Liao, Hong Zhang, Yi Li, Qiangqiang Zhu, Le Wang, Yunfeng Ma. An Allocation Method of Laser Damage Test Point Based on Nonlinear Fitting[J]. Laser & Optoelectronics Progress, 2023, 60(23): 2312004

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Paper Information

Category: Instrumentation, Measurement and Metrology

Received: Oct. 24, 2022

Accepted: Feb. 8, 2023

Published Online: Dec. 4, 2023

The Author Email: Le Wang (calla@cjlu.edu.cn), Yunfeng Ma (mayf100612@aircas.ac.cn)

DOI:10.3788/LOP222868

Topics

laser devices and laser physics

Lasers and Laser Optics

Laser physics

laser manufacturing

Instrumentation, Measurement and Metrology