Field calibration method of infrared warning equipment

Table 1. Parameters of SR800 extended surface blackbody
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Table 1. Parameters of SR800 extended surface blackbody
参数参数值
温度范围/℃ −40～170
温度精度/℃ ±0.02
辐射面积/mm² 300×300
发射率 0.97

Table 2. Two points calibration results of short-range direct extended source method
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Table 2. Two points calibration results of short-range direct extended source method
标定温度/℃ 10，20 20，30 30，40 40，50
响应度 $α$ 232.3 231.5 218.4 222.2
偏移值D₀ 5873.8 5885.0 6112.5 6034.1

Table 3. Two points calibration results of long-distance small source method (37 m)
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Table 3. Two points calibration results of long-distance small source method (37 m)
标定温度/℃ 10，20 20，30 30，40 40，50
响应度 $α$ 193.0 206.3 194.4 199.2
偏移值D₀ 6100.5 5910.6 6117.7 6018.1

Table 4. Two points calibration results of long-distance small source method (63 m)
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Table 4. Two points calibration results of long-distance small source method (63 m)
标定温度/℃ 10，20 20，30 30，40 40，50
响应度 $α$ 179.9 176.8 193.9 173.2
偏移值D₀ 5727.7 5772.1 5475.3 5907.5

Table 5. Measurement errors of short-range direct extended source method

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Table 5. Measurement errors of short-range direct extended source method

温度/℃	黑体辐射亮度/ W∙m⁻²∙sr⁻¹	反演的辐射亮度/ W∙m⁻²∙sr⁻¹	相对误差/%
10	11.63	10.97	−5.67
20	14.30	13.00	−9.09
30	17.36	15.36	−11.52
40	20.81	18.08	−13.12
50	24.67	20.79	−15.73

Table 6. Measurement errors of long-distance small source method (37 m)
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Table 6. Measurement errors of long-distance small source method (37 m)
温度/℃ 黑体辐射亮度/ W∙m⁻²∙sr⁻¹ 反演的辐射亮度/ W∙m⁻²∙sr⁻¹ 相对误差/%
10 11.63 12.18 4.75
20 14.30 14.60 2.07
30 17.36 17.12 −1.38
40 20.81 20.19 −2.98
50 24.67 23.26 −5.72

Table 7. Measurement errors of long-distance small source method (63 m)
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Table 7. Measurement errors of long-distance small source method (63 m)
温度/℃ 黑体辐射亮度/ W∙m⁻²∙sr⁻¹ 反演的辐射亮度/ W∙m⁻²∙sr⁻¹ 相对误差/%
10 11.63 15.08 29.66
20 14.30 17.59 23.01
30 17.36 20.51 18.15
40 20.81 23.87 14.70
50 24.67 27.22 10.34

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Dong WANG, Hengwei ZHANG, Qianjin ZOU, Jinchao PENG, Yaxu LU. Field calibration method of infrared warning equipment[J]. Journal of Applied Optics, 2024, 45(6): 1164

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Paper Information

Category:

Received: Oct. 26, 2023

Accepted: --

Published Online: Jan. 14, 2025

The Author Email: WANG Dong (wd.hardman@163.com)

DOI:10.5768/JAO202445.0601008

Topics

laser devices and laser physics

Lasers and Laser Optics

Laser physics

laser manufacturing

Instrumentation, Measurement and Metrology

Table 1. Parameters of SR800 extended surface blackbody

Table 1. Parameters of SR800 extended surface blackbody

Table 2. Two points calibration results of short-range direct extended source method

Table 2. Two points calibration results of short-range direct extended source method

Table 3. Two points calibration results of long-distance small source method (37 m)

Table 3. Two points calibration results of long-distance small source method (37 m)

Table 4. Two points calibration results of long-distance small source method (63 m)

Table 4. Two points calibration results of long-distance small source method (63 m)

Table 5. Measurement errors of short-range direct extended source method

Table 5. Measurement errors of short-range direct extended source method

Table 6. Measurement errors of long-distance small source method (37 m)

Table 6. Measurement errors of long-distance small source method (37 m)

Table 7. Measurement errors of long-distance small source method (63 m)

Table 7. Measurement errors of long-distance small source method (63 m)

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