中国光学2022，Vol.15Issue(4)：825-834,10.DOI:10.37188/CO.EN.2021-0011
400～1300nm波段的卤钨灯光谱辐照度衰减模型
Spectral irradiance degradation model of halogen tungsten lamps at wavelength from 400 nm to 1300 nm
摘要
Abstract
Spectral irradiance degradation of a halogen tungsten lamp increases the spectral radiance uncer-tainty of an on-board lamp-diffuser calibrator that is composed of a lamp and a diffuser reflector.Therefore,it is necessary to investigate the degradation characteristics of the lamp to decrease the spectral radiance un-certainty.A spectral irradiance degradation model of a halogen tungsten lamp with an undetermined order at wavelengths from 400 nm to 1 300 nm was proposed according to the blackbody radiation law and Weier-strass theorem.Then,the spectral irradiance degradation curve of the halogen tungsten lamp was experiment-ally measured,and it was fitted by different order models using the least squares method,respectively.The model order was determined as 2,which is the minimum order to satisfy the reconstruction accuracy re-quired by the spectral radiance of the on-board lamp-diffuser calibrator.The reconstruction accuracy of the spectral irradiance degradation curve was better than 0.25％according to this two-order model,which lays a theoretical foundation to decrease the spectral radiance uncertainty of the on-board lamp-diffuser calibrator.关键词
卤钨灯/光谱辐射定标/星上定标/黑体Key words
halogen tungsten lamps/spectral irradiance/on-board calibrator/blackbody radiation分类
信息技术与安全科学引用本文复制引用
张亚超,叶新,夏志伟,隋龙,方伟..400～1300nm波段的卤钨灯光谱辐照度衰减模型[J].中国光学,2022,15(4):825-834,10.基金项目
科技部重点研发计划(No.2018YFB0504603)Supported by National Key Research and Development Program(No.2018YFB0504603) （No.2018YFB0504603）
