激光毁伤中的多光谱测温技术研究

doi:10.3969/j.issn.1000-1093.2019.01.025

兵工学报 ›› 2019, Vol. 40 ›› Issue (1): 219-224.doi: 10.3969/j.issn.1000-1093.2019.01.025

• 研究简报 • 上一篇

激光毁伤中的多光谱测温技术研究

秦亚楼¹，李伟²，杨春平²，韦焱斌²，彭真明²

(1.电子科技大学光电科学与工程学院, 四川成都 610054; 2.电子科技大学信息与通信工程学院, 四川成都 610054)

收稿日期:2018-05-23 修回日期:2018-05-23 上线日期:2019-03-12
通讯作者: 李伟(1966—)，男，教授，博士生导师 E-mail:liw@tsinghua.edu.cn
作者简介:秦亚楼(1995—)，男，硕士研究生。E-mail:15008453593@163.com
基金资助:
国家自然科学基金项目（6157011483）；航空科学基金项目（20160180）

Study of Multispectral Temperature Measurement Technique for Laser Damage

QIN Yalou¹, LI Wei², YANG Chunping², WEI Yanbin², PENG Zhenming²

(1.School of Optoelectronic Science and Engineering, University of Electronic Science and Technology of China, Chengdu 610054, Sichuan, China; 2.School of Information and Communication Engineering, University of Electronic Science and Technology of China, Chengdu 610054, Sichuan, China)

Received:2018-05-23 Revised:2018-05-23 Online:2019-03-12

摘要/Abstract

摘要： 为研究激光毁伤中毁伤区域状态的变化，基于激光毁伤时目标区域所具有较为规则的毁伤区域、温度分布，提出一种改进的多光谱测温方法，对毁伤区域的辐射光谱进行反演分析。利用该方法对毁伤区域的辐射光谱进行温度反演，研究比色测温法与多光谱测温法在相同情况下的测温精度、影响因素；通过该方法对1 500 K温度下的目标辐射光谱进行光谱反演。结果表明：该方法最少可以将测温误差缩小24%，在实验中最大可以将误差缩小60%；根据不同温度区域的面积分布，可以反馈并优化目标区域温度分布反演的精度，为目标区域温度分布的测量提供了一种思路。

关键词: 激光毁伤, 多光谱测温, 黑体辐射定律, 最小二乘法, 优化方法

Abstract: In order to study the change of the state of the damaged region in laser damage, an improved multi-spectral temperature measurement technique is proposed based on the regular damage area and temperature distribution of the target area during laser damage. The radiation spectrum in damaged area is inersely analyzed. And the temperature inversion of radiation spectrum in damaged area is made by multispectral temperature measurement. The temperature measurement accuracy and influencing factors of colorimetric thermometry and multispectral thermometry under the same conditions are studied. Through the spectral inversion of target radiation spectrum at 1 500 K by multispectral thermometry, the improved multispectral temperature measurement technique can be used to reduce the temperature measurement error by 24%. And the temperature measurement error was reduced by 60% in the simulation experiment. According to the area distribution of different temperature regions, it can provide feedback and optimize the precision of the inversion of temperature distribution in the target region, which provides a way of thinking for the measurement of temperature distribution in the target region. Key

Key words: laserdamage, multispectralthermometry, blackbodyradiationlaw, leastsquaremethod, optimizationmethod

中图分类号:

O433.4

秦亚楼，李伟，杨春平，韦焱斌，彭真明. 激光毁伤中的多光谱测温技术研究[J]. 兵工学报, 2019, 40(1): 219-224.

QIN Yalou, LI Wei, YANG Chunping, WEI Yanbin, PENG Zhenming. Study of Multispectral Temperature Measurement Technique for Laser Damage[J]. Acta Armamentarii, 2019, 40(1): 219-224.

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激光毁伤中的多光谱测温技术研究

Study of Multispectral Temperature Measurement Technique for Laser Damage

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