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基于超连续激光-单色仪的绝对辐亮度响应度定标

Absolute Radiance Responsivity Calibration Based on Supercontinuum Laser and Monochromator

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摘要

利用基于超连续激光和单色仪(SCM)的细分光谱扫描定标装置,对传感器的绝对光谱辐亮度响应度进行定标。利用两种绝对功率响应度溯源于低温绝对辐射计的辐亮度探测器(Trap-A 和Trap-B),分别以通用的部件级定标方式和基于该定标装置的系统级定标方式(以Trap-A作为参考),确定了Trap-B的绝对光谱辐亮度响应度,两种方式下的定标不确定度分别优于0.46%和1.8%。两种定标结果具有较好的一致性,在450~900 nm波段范围内,相对差异小于0.9%。研究结果表明:基于SCM的细分光谱扫描定标装置适用于传感器的绝对光谱辐射定标,在遥感器的绝对光谱辐射定标方面具有重要的应用价值。

Abstract

A spectrally resolved scanning calibration facility based on a supercontinuum laser and monochromator (SCM) was proposed for the calibration of the absolute spectral radiance responsivity of the sensors. Two radiance meters, labeled Traps-A and Traps-B, were used herein. The absolute spectral power responsivities of the meters were traced to a cryogenic absolute radiometer. The absolute spectral radiance responsivity of Trap-B was obtained by a general unit-level calibration method, and a system-level calibration method based on the SCM with Trap-A taken as the reference. The calibration uncertainties of Traps-A and Traps-B were lower than 0.46% and 1.8%, respectively. The calibration results by the two methods were in good agreement, with a relative difference of less than 0.9% in the 450-900 nm. The results imply that a spectrally-resolved scanning calibration facility based on SCM is suitable for the absolute spectral radiometric calibration of sensors and highly applicable to the absolute spectral radiometric calibration of remote sensors.

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中图分类号:O432.2

DOI:10.3788/AOS201939.0714002

所属栏目:激光器与激光光学

基金项目:国家自然科学基金;

收稿日期:2018-12-20

修改稿日期:2019-03-25

网络出版日期:2019-07-01

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谢臣瑜:中国科学院安徽光学精密机械研究所通用光学定标与表征技术重点实验室, 安徽 合肥 230031中国科学技术大学, 安徽 合肥 230026
翟文超:中国科学院安徽光学精密机械研究所通用光学定标与表征技术重点实验室, 安徽 合肥 230031
李健军:中国科学院安徽光学精密机械研究所通用光学定标与表征技术重点实验室, 安徽 合肥 230031
高放:中国科学院安徽光学精密机械研究所通用光学定标与表征技术重点实验室, 安徽 合肥 230031中国科学技术大学, 安徽 合肥 230026
李越:中国科学院安徽光学精密机械研究所通用光学定标与表征技术重点实验室, 安徽 合肥 230031中国科学技术大学, 安徽 合肥 230026
吴浩宇:中国科学院安徽光学精密机械研究所通用光学定标与表征技术重点实验室, 安徽 合肥 230031
郑小兵:中国科学院安徽光学精密机械研究所通用光学定标与表征技术重点实验室, 安徽 合肥 230031

联系人作者:翟文超(wczhai@aiofm.ac.cn); 郑小兵(xbzheng@aiofm.ac.cn);

备注:国家自然科学基金;

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引用该论文

Xie Chenyu,Zhai Wenchao,Li Jianjun,Gao Fang,Li Yue,Wu Haoyu,Zheng Xiaobing. Absolute Radiance Responsivity Calibration Based on Supercontinuum Laser and Monochromator[J]. Acta Optica Sinica, 2019, 39(7): 0714002

谢臣瑜,翟文超,李健军,高放,李越,吴浩宇,郑小兵. 基于超连续激光-单色仪的绝对辐亮度响应度定标[J]. 光学学报, 2019, 39(7): 0714002

被引情况

【1】钱立勇,吴德成,周晓军,钟刘军,魏巍,王文举,王英检,龚威,刘东. 高光谱成像激光雷达系统辐射定标和地物信息获取. 光学学报, 2020, 40(11): 1128001--1

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