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溯源于低温辐射计的1 064 nm波段探测器绝对光谱响应度定标

Calibration of absolute spectral responsivity at 1 064 nm of transfer detector against cryogenic radiometer

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摘要

标准传递探测器在红外波段的绝对光谱响应度定标不确定度较大且难以降低,其主要影响因子是窗口透过率的测量不确定度,该项因子是由布儒斯特窗口的状态复现引入。给出了陷阱型标准传递探测器在1 064 nm波段溯源于低温绝对辐射计的定标实验过程和结果。介绍了低温辐射计新型Y型定标光路,该光路消除了低温辐射计窗口反射损耗引入的不确定性。实验测试了探测器在1 064 nm波段的线性、空间响应均匀性、稳定性和空间偏振非敏感性。结果表明:传递探测器绝对光谱响应度定标的不确定度优于0.023%,响应度重复性的实验结果表明了Y型低温辐射计定标光路改造的可行性。

Abstract

The significant uncertainty of absolute spectral responsivity of Standard Transfer Detector in infrared band is difficult to solve, the main factor is measure uncertainty of window transmittance, which is introduced by the state reproduction of Brewster Window. The calibration process and results of Standard Transfer Trap Detector against a Cryogenic Radiometer at 1 064 nm were presented. The novel calibration structure, called Y calibration light path, could effectively eliminate the uncertainty caused by the window reflection loss inside the Cryogenic Radiometer. During the process, the linearity, spatial uniformity, polarization sensitivity and stability of the trap detector at 1 064 nm were measured. It is proved that the Standard Transfer Trap Detector shows a good performance with the uncertainty of absolute responsivity less than 0.023%. The repeatability experimental results show that Y calibration light path reconstruction of cryogenic radiometer is feasible.

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中图分类号:O432

所属栏目:光电测量

基金项目:国家自然科学基金(61275173,11204318);国防技术基础项目(J2920130004,J312013A0001)

收稿日期:2015-04-11

修改稿日期:2015-05-12

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作者单位    点击查看

庞伟伟:中国科学院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:中国科学院通用光学定标与表征技术重点实验室,安徽 合肥 230031
史学舜:中国电子科技集团公司第四十一研究所,山东 青岛 266555
吴浩宇:中国科学院通用光学定标与表征技术重点实验室,安徽 合肥 230031
夏茂鹏:中国科学院通用光学定标与表征技术重点实验室,安徽 合肥 230031
高东阳:中国科学院通用光学定标与表征技术重点实验室,安徽 合肥 230031
史剑民:中国科学院通用光学定标与表征技术重点实验室,安徽 合肥 230031
戚涛:中国科学院通用光学定标与表征技术重点实验室,安徽 合肥 230031
康晴:中国科学院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:庞伟伟(earth35@163.com)

备注:庞伟伟(1987-),男,博士生,主要从事高精度系统设计与研究、光学遥感器高精度定标、辐射定标等方面的研究。

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引用该论文

Pang Weiwei,Zheng Xiaobing,Li Jianjun,Shi Xueshun,Wu Haoyu,Xia Maopeng,Gao Dongyang,Shi Jianmin,Qi Tao,Kang Qing. Calibration of absolute spectral responsivity at 1 064 nm of transfer detector against cryogenic radiometer[J]. Infrared and Laser Engineering, 2015, 44(12): 3812-3818

庞伟伟,郑小兵,李健军,史学舜,吴浩宇,夏茂鹏,高东阳,史剑民,戚涛,康晴. 溯源于低温辐射计的1 064 nm波段探测器绝对光谱响应度定标[J]. 红外与激光工程, 2015, 44(12): 3812-3818

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