Spectral transmittance calibration technology of infrared optical system

Siwei LI; Xuexin WANG; Yi XIE; Yu GUO; Xiaoyu YAN; Yuxin YANG; Xu ZHANG

doi:10.5768/JAO202344.0403008

Journal of Applied Optics, Volume. 44, Issue 4, 868(2023)

Spectral transmittance calibration technology of infrared optical system

Siwei LI*... Xuexin WANG, Yi XIE, Yu GUO, Xiaoyu YAN, Yuxin YANG and Xu ZHANG |Show fewer author(s)

The First Scale Optical Metrology Station of the Science, Technology and Industry for National Defense, Xi'an Institute of Applied Optics, Xi'an 710065, China

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Fig. 1. Schematic block diagram of calibration device

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Fig. 2. Schematic diagram of system for FTIR

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Fig. 3. Schematic block diagram of system for signal acquisition and processing

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Table 1. Measurement results of transmittance of neutral density filter in 2 µm~14 µm band

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Table 1. Measurement results of transmittance of neutral density filter in 2 µm~14 µm band

测量次数	测量装置
测量次数	红外滤光器透射比测量装置/%	红外光学系统光谱透射比校准装置/%
1	56.86	56.71
2	56.68	57.44
3	56.87	57.40
4	56.66	57.81
5	56.79	57.02
6	56.76	57.32
平均值	56.77	57.27
相对标准偏差	0.30	1.00

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Siwei LI, Xuexin WANG, Yi XIE, Yu GUO, Xiaoyu YAN, Yuxin YANG, Xu ZHANG. Spectral transmittance calibration technology of infrared optical system[J]. Journal of Applied Optics, 2023, 44(4): 868

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