红外隐身涂料环温发射率校准技术  

Emissivity calibration technology for infrared stealth coatings at ambient temperature

作　　者：杨毓鑫 王学新[1] 张旭 俞兵[1] 李四维[1] 谢毅[1] 闫晓宇[1] YANG Yuxin;WANG Xuexin;ZHANG Xu;YU Bing;LI Siwei;XIE Yi;YAN Xiaoyu(The First Scale Optical Metrology Station of the Science,Technology and Industry for National Defense,Xi'an Institute of Applied Optics,Xi'an 710065,China)

机构地区：[1]西安应用光学研究所国防科技工业光学一级计量站,陕西西安710065

出　　处：《应用光学》2023年第3期655-660,共6页Journal of Applied Optics

基　　金：YANG Yuxin,WANG Xuexin,ZHANG Xu,YU Bing,LI Siwei,XIE Yi,YAN Xiaoyu(The First Scale Optical Metrology Station of the Science,Technology and Industry for National Defense,Xi'an Institute of Applied Optics,Xi'an 710065,China)。

摘　　要：发射率作为飞机蒙皮隐身性能的关键指标,是评估飞机综合隐身性能的重要手段。介绍了红外隐身涂料光谱发射率的测量方法,研制了环境温度条件下红外隐身涂料光谱发射率校准装置,设计了基于迈克尔逊干涉理论的傅里叶变换光谱仪实现光谱分光,采用镀金积分球样品室实现信号的垂直入射与漫射接收,实现了隐身涂层光谱发射率的准确测量。提出以漫反射片为标准物质的溯源方法,实现了测量装置的溯源。利用校准装置对黄铜等样品的光谱发射率进行测量,给出了光谱范围为3μm~12μm的测量结果,光谱发射率测量不确定度优于3.2%(k=2)。As the key index of stealth performance of aircraft skin,the emissivity is an important means to evaluate the comprehensive stealth performance of the aircraft.The spectral emissivity measurement method of infrared stealth coatings was introduced,and the corresponding calibration device at ambient temperature was established.A Fourier transform spectrometer based on Michelson interference theory was designed to realized the spectral splitting.The sample chamber with gold-plated integrating sphere was used to realize the vertical incidence and diffuse receiving of the signal,and the accurate measurement for spectral emissivity of stealthy coating was realized.A traceability method using diffuse reflection films as the reference standard was proposed,which realized the traceability of calibration device.Finally,the spectral emissivity of brass and other samples was measured by using the proposed calibration device,and the measurement results with a spectral range of 3μm~12μm were obtained.The measurement uncertainty of spectral emissivity is better than 3.2%(k=2).

关 键 词：红外隐身涂料 飞机蒙皮 发射率测量 傅里叶光谱分光 

分 类 号：TN216[电子电信—物理电子学]