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Design and Measurement of Radiometric Performance of Ultra-Large Aperture Uniform Light Source
Zhang, Z.; X. Li; Z. Wan; J. Sun; H. Liu; Z. Liu; Y. Wang; J. Ren and J. Ren
2017
Source PublicationZhongguo Jiguang/Chinese Journal of Lasers
Volume44Issue:4
AbstractAt present, optical remote sensors are developing in the direction of large aperture and wide field of view. With the increase of the remote sensor's diameter and field of view, corresponding calibration devices need to be developed to meet the radiometric calibration requirements of full aperture and full field of view. Therefore, a ultra-large aperture (3.2 m) uniform light source system is developed. Firstly, the spectral radiance of exit aperture is designed based on the integrating sphere theory and Plank theory, and the LightTools software is used for the simulation design of the exit uniformity and Lambert properties of the built-in light source distribution. Then, a set of radiometric performance measuring devices based on multi-detectors is developed to solve the problem of ultra-large aperture uniform light source measurement. The calibration algorithm is applied to make multi-detectors consistent. Finally, the new device is applied in the testing experiment of ultra-large aperture uniform light source, and its test uncertainty is analyzed. The results show that the integrated spectral radiance of 0.8 m exit aperture is more than 600 Wm-2sr-1, the spatial uniformity of 3.2 m exit aperture is more than 98.362%, and the Lambert uniformity in central point of 45 is more than 98.810%. The newly developed ultra-large aperture uniform light source meets the design requirements. 2017, Chinese Lasers Press. All right reserved.
Indexed Byei
Language中文
Document Type期刊论文
Identifierhttp://ir.ciomp.ac.cn/handle/181722/59465
Collection中科院长春光机所知识产出
Recommended Citation
GB/T 7714
Zhang, Z.,X. Li,Z. Wan,et al. Design and Measurement of Radiometric Performance of Ultra-Large Aperture Uniform Light Source[J]. Zhongguo Jiguang/Chinese Journal of Lasers,2017,44(4).
APA Zhang, Z..,X. Li.,Z. Wan.,J. Sun.,H. Liu.,...&J. Ren and J. Ren.(2017).Design and Measurement of Radiometric Performance of Ultra-Large Aperture Uniform Light Source.Zhongguo Jiguang/Chinese Journal of Lasers,44(4).
MLA Zhang, Z.,et al."Design and Measurement of Radiometric Performance of Ultra-Large Aperture Uniform Light Source".Zhongguo Jiguang/Chinese Journal of Lasers 44.4(2017).
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