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长春光学精密机械与物... [1]
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会议论文 [1]
发表日期
2010 [1]
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专题:长春光学精密机械与物理研究所
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Development and radiance calibration of three-waveband camera (EI CONFERENCE)
会议论文
International Symposium on Photonics and Optoelectronics, SOPO 2010, June 19, 2010 - June 21, 2010, Chengdu, China
Lu Z.
;
Sun Q.
;
Wang J.
;
Lu Z.
;
Liu Y.
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提交时间:2013/03/25
An imaging system with three-waveband sharing one lens and an area CCD was developed. By rotating different filters into the beam path
the required waveband was selected. The optical system which can image in ultraviolet
visible and near infrared region was designed and the signal collecting system was integrated. The optical design and system integration have some advantages such as low cost
small size and light in weight. To obtain a high imaging quality
the radiation calibration is carried out in order to establish the relation between the average grey level of output image and the input radiance from the integrating sphere. According to the calibration data in experiments
the radiation dynamic range and the best working point of the system are determined. The experiment result shows that the dynamic range of the image system is maximal when the exposure time is 8ms in ultraviolet
0.5ms in visible and 0.125ms in near infrared region. 2010 IEEE.
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