Fast radiance calibration for ground-based large-aperture infrared opto-electric equipment

	Fast radiance calibration for ground-based large-aperture infrared opto-electric equipment
	Liu, J.; H. Li; J. Wang and L. Yin
	2015
发表期刊	Guangxue Xuebao/Acta Optica Sinica
卷号	35 期号:3
摘要	In the multi-target observations using the ground-based large-aperture infrared telescope, in order to eliminate the influence of changing the system radiance responsivity caused by environment, and calibrate the radiance responsivity in short time during two observations, a fast radiance calibration method is discussed. A mathematical model and experimental procedures are set up. The radiance responsivity is calibrated, and the atmospheric transmittance is measured, based on the standard infrared stars. The illuminance of stars is inversed, which is known in advance, using the calibrated data. Data shows that the maximum relative error of inversion is 18.93% and it takes about 4 min to complete the experiment. As a comparison, the maximum relative error is 28.74%, and it takes about 17 min to complete the experiment, using the traditional method, that the radiance respoinsivity is calibrated based on the black body, and the atmospheric transmittance is calculated by Modtran. Results show that, compared with the traditional method, it takes less time to complete the experiment, and the relative error of illuminance inversion is smaller. The black body is not necessary, and it takes less cost. , 2015, Chinese Optical Society. All right reserved.
文章类型	期刊论文
收录类别	EI
文献类型	期刊论文
条目标识符	http://ir.ciomp.ac.cn/handle/181722/56176
专题	中科院长春光机所知识产出
推荐引用方式 GB/T 7714	Liu, J.,H. Li,J. Wang and L. Yin. Fast radiance calibration for ground-based large-aperture infrared opto-electric equipment[J]. Guangxue Xuebao/Acta Optica Sinica,2015,35(3).
APA	Liu, J.,H. Li,&J. Wang and L. Yin.(2015).Fast radiance calibration for ground-based large-aperture infrared opto-electric equipment.Guangxue Xuebao/Acta Optica Sinica,35(3).
MLA	Liu, J.,et al."Fast radiance calibration for ground-based large-aperture infrared opto-electric equipment".Guangxue Xuebao/Acta Optica Sinica 35.3(2015).

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