Measurement Method of Internal Stray Radiation in Short-Wave Infrared Channel of Atmospheric Corrector

Chenyu Xie; Jianjun Li; Yinlin Yuan; Qing Kang; Bingqing Zhu; Mengfan Li; Xiaobing Zheng

doi:10.3788/AOS201838.0901002

Acta Optica Sinica, Volume. 38, Issue 9, 0901002(2018)

Measurement Method of Internal Stray Radiation in Short-Wave Infrared Channel of Atmospheric Corrector

Chenyu Xie^1,2、*, Jianjun Li¹, Yinlin Yuan¹, Qing Kang^1,2, Bingqing Zhu^1,2, Mengfan Li¹, and Xiaobing Zheng^1、*

¹ Key Laboratory of Optical Calibration and Characterization, Anhui Institute of Optics and Fine Mechanics , Chinese Academy of Sciences, Hefei, Anhui 230031, China

² University of Science and Technology of China, Hefei, Anhui 230026, China

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Figures & Tables(6)

Fig. 1. Radiometric calibration of detector

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Fig. 2. Schematic of absolute radiation calibration for atmospheric corrector

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Fig. 3. Calibration results at different radiances. (a) P1; (b) P2; (c) P3; (d) P4

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Fig. 4. Calibration results at different ambient temperatures. (a) P1; (b) P2; (c) P3; (d) P4

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Fig. 5. Calibration results at different gains. (a) P1; (b) P2; (c) P3; (d) P4

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Table 1. Comparison between theoretical calculation and experimental results

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Table 1. Comparison between theoretical calculation and experimental results

Gain coefficient	Temperature /℃	S₁		S₂		S₃		S₄
Gain coefficient	Temperature /℃	Measured	Calculated	Measured	Calculated	Measured	Calculated	Measured	Calculated
i=1	-7	240.26	247.14	418.02	417.79	412.65	420.73	277.52	289.88
	-11	341.77	347.92	522.28	524.62	512.49	519.60	381.61	390.22
	-14	413.94	404.75	594.44	584.86	582.88	575.34	454.46	446.80
	-17	457.31	447.31	637.57	629.98	620.59	617.10	501.05	489.17
i=2	-7	476.44	484.41	845.03	834.20	827.79	845.55	557.10	575.83
	-11	688.35	691.03	1058.02	1053.21	1038.51	1048.23	772.66	781.52
	-14	835.91	807.52	1208.64	1176.69	1181.59	1162.51	918.57	897.50
	-17	924.59	894.78	1293.87	1269.18	1260.47	1248.11	1013.47	984.37
i=4	-7	908.68	916.03	1622.19	1591.67	1584.49	1618.32	1065.02	1095.98
	-11	1325.30	1315.15	2038.43	2014.73	1998.95	2009.85	1483.28	1493.32
	-14	1603.16	1540.19	2321.87	2253.26	2266.70	2230.60	1769.56	1717.35
	-17	1777.22	1708.74	2482.36	2431.93	2418.89	2395.95	1948.18	1885.16

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Chenyu Xie, Jianjun Li, Yinlin Yuan, Qing Kang, Bingqing Zhu, Mengfan Li, Xiaobing Zheng. Measurement Method of Internal Stray Radiation in Short-Wave Infrared Channel of Atmospheric Corrector[J]. Acta Optica Sinica, 2018, 38(9): 0901002

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Paper Information

Category: Atmospheric Optics and Oceanic Optics

Received: Dec. 29, 2017

Accepted: Apr. 9, 2018

Published Online: May. 9, 2019

The Author Email:

DOI:10.3788/AOS201838.0901002

Topics

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Lasers and Laser Optics

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Instrumentation, Measurement and Metrology