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低温辐射计的结构优化方案设计

庞伟伟 郑小兵 李健军 吴浩宇 史学舜

庞伟伟, 郑小兵, 李健军, 吴浩宇, 史学舜. 低温辐射计的结构优化方案设计[J]. 应用光学, 2015, 36(3): 408-414. doi: 10.5768/JAO201536.0303001
引用本文: 庞伟伟, 郑小兵, 李健军, 吴浩宇, 史学舜. 低温辐射计的结构优化方案设计[J]. 应用光学, 2015, 36(3): 408-414. doi: 10.5768/JAO201536.0303001
Pang Wei-wei, Zheng Xiao-bing, Li Jian-jun, Wu Hao-yu, Shi Xue-shun. Optimization scheme design on construction of cryogenic radiometer[J]. Journal of Applied Optics, 2015, 36(3): 408-414. doi: 10.5768/JAO201536.0303001
Citation: Pang Wei-wei, Zheng Xiao-bing, Li Jian-jun, Wu Hao-yu, Shi Xue-shun. Optimization scheme design on construction of cryogenic radiometer[J]. Journal of Applied Optics, 2015, 36(3): 408-414. doi: 10.5768/JAO201536.0303001

低温辐射计的结构优化方案设计

doi: 10.5768/JAO201536.0303001
基金项目: 

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

详细信息
    作者简介:

    郑小兵(1969-),男,安徽合肥人,博士,研究员,博士生导师,主要从事光学精密测量的先进方法与仪器、卫星光学传感器的高精度定标、光学遥感和海洋光学、辐射定标等方面的研究。Email:xbzheng@aiofm.ac.cn

    通讯作者:

    庞伟伟(1987-),男,安徽合肥人,博士研究生,主要从事高精度系统设计与研究工作。Email:earth35@163.com

  • 中图分类号: TN202;TH741

Optimization scheme design on construction of cryogenic radiometer

  • 摘要: 传统低温辐射计的布儒斯特窗口会对传递探测器的绝对光谱响应率定标产生较大的影响。文中阐述了低温辐射计对传递探测器的传统定标过程;分析定标过程中因布儒斯特窗口及窗口复现导致定标精度降低的原因;提出一种新的定标结构。该结构中低温辐射计和传递探测器安置于同心弧形轨道上,二者通过精密电机的控制可以分时切入定标光路,实现传递探测器相对于低温辐射计的绝对定标。新的定标结构能够完全消除布儒斯特窗口在传递探测器定标过程中的影响,降低测量激光功率约50%的不确定度,可以进一步降低辐射定标溯源基准的不确定度,提高定标的精度。
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