Polarization Accuracy Verification and Out-of-band Response Analysis for Aviation Polarization Radiometer

Zhengdong XU; Pingping YAO; Mengfan LI; Xiangjing WANG; Yanghao CHU; Yadong HU; Jiexiang CHENG; Jin HONG

doi:10.3788/gzxb20245304.0401003

Acta Photonica Sinica, Volume. 53, Issue 4, 0401003(2024)

Polarization Accuracy Verification and Out-of-band Response Analysis for Aviation Polarization Radiometer

Zhengdong XU1...2, Pingping YAO2,*, Mengfan LI2, Xiangjing WANG2, Yanghao CHU3, Yadong HU2, Jiexiang CHENG2 and Jin HONG2 |Show fewer author(s)

Author Affiliations

¹Institutes of Physical Science and Information Technology， Anhui University， Hefei 230061， China

²Anhui Institute of Optics and Fine Mechanics， Hefei Institutes of Physical Science， Chinese Academy of Science， Hefei 230031， China

³School of Instrument Science and Opto-electronics Engineering， Hefei University of Technology， Hefei 230009， China

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Figures & Tables(13)

Fig. 1. Principle of aviation polarization radiometer system

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Fig. 2. Schematic of the main structure of the airborne polarimetric radiometer

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Fig. 3. Schematic of single-channel optical system for airborne polarimetric radiometer

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Fig. 4. Airborne polarimeter radiometric calibration site

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Fig. 5. Calibration of polarization measurement accuracy of airborne polarimetric radiometer

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Fig. 6. Polarization measurement error is affected by out-of-band response and the degree of polarization

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Fig. 7. Scene for the relative spectral response validation of a specific channel in the 490 nm wavelength band

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Fig. 8. Relative spectral response of a specific channel in the 490 nm wavelength band

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Fig. 9. The transmittance curve of filters used in the same batch

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Table 1. Instrument parameter of the airborne polarimetric radiometer

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Table 1. Instrument parameter of the airborne polarimetric radiometer

Parameter	Value
Spectral band	550 nm， 910 nm 490 nm ，670 nm，870 nm，1 610 nm
Bandwidth	20~60 nm
Polarized angle	0°， 60°， 120°
Instantaneous field of view	≥1.9°
Radiometric calibration accuracy	≤3%
Polarization measurement accuracy	<1%@0.2 degree of polarization

Table 2. Analysis results of absolute radiometric calibration uncertainty for airborne polarimetric radiometers

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Table 2. Analysis results of absolute radiometric calibration uncertainty for airborne polarimetric radiometers

The spectral band of the APR	$u_{a}^{}$ /%	$N L_{k}$ /%	$N S_{k}$ /%	$u_{k, a}$ /%
490P1	2.31	0.82	0.35	2.48
490P2	2.31	0.81	0.34	2.47
490P3	2.31	0.90	0.37	2.51
550	2.35	0.39	0.09	2.38
670P1	2.24	0.20	0.06	2.25
670P2	2.24	0.18	0.06	2.25
670P3	2.24	0.16	0.06	2.25
870P1	1.99	0.09	0.10	2.00
870P2	1.99	0.09	0.10	2.00
870P3	1.99	0.09	0.10	1.99
910	1.96	0.27	0.16	1.99
1610P1	1.74	0.51	0.10	1.82
1610P2	1.74	0.55	0.10	1.83
1610P3	1.74	0.52	0.10	1.82

Table 3. The measurement accuracy of 490 channels polarization of the instrument was verified by comparative experiment

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Table 3. The measurement accuracy of 490 channels polarization of the instrument was verified by comparative experiment

Light source	Rotation angle	$P_{C}^{k}$	$P_{Τ}^{k}$	$Δ P^{k}$
	0°	0.000 0	0.000 0	0.000 0
Tungsten-halogen lamp	38.3°	0.103 2	0.091 5	0.011 7
	51°	0.207 5	0.184 6	0.022 9
	0°	0.000 0	0.000 0	0.000 0
LED monochrome light source	38.3°	0.103 2	0.103 1	0.000 1
	51°	0.207 5	0.208 1	0.000 6

Table 4. Verification results of polarization measurement accuracy of airborne polarization radiometer

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Table 4. Verification results of polarization measurement accuracy of airborne polarization radiometer

Band/nm	Rotation angle	$P_{C}^{k}$	$P_{Τ}^{k}$	$Δ P^{k}$
	0°	0.000 0	0.000 0	0.000 0
490	38.3°	0.103 2	0.103 1	0.000 1
	51°	0.207 5	0.208 1	0.000 6
	0°	0.000 0	0.000 0	0.000 0
670	38.3°	0.101 3	0.102 1	0.000 8
	51°	0.204 0	0.204 2	0.000 2
	0°	0.000 0	0.000 0	0.000 0
870	38.3°	0.103 2	0.098 7	0.001 6
	51°	0.204 0	0.200 9	0.001 2
	0°	0.000 0	0.000 0	0.000 0
1 610	38.3°	0.097 8	0.097 7	0.000 1
	51°	0.197 6	0.196 7	0.000 9

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Zhengdong XU, Pingping YAO, Mengfan LI, Xiangjing WANG, Yanghao CHU, Yadong HU, Jiexiang CHENG, Jin HONG. Polarization Accuracy Verification and Out-of-band Response Analysis for Aviation Polarization Radiometer[J]. Acta Photonica Sinica, 2024, 53(4): 0401003

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Paper Information

Category:

Received: Oct. 13, 2023

Accepted: Nov. 15, 2023

Published Online: May. 15, 2024

The Author Email: YAO Pingping (ppyao@aiofm.ac.cn)

DOI:10.3788/gzxb20245304.0401003

Topics

laser devices and laser physics

Lasers and Laser Optics

Laser physics

laser manufacturing

Instrumentation, Measurement and Metrology

Table 1. Instrument parameter of the airborne polarimetric radiometer

Table 1. Instrument parameter of the airborne polarimetric radiometer

Table 2. Analysis results of absolute radiometric calibration uncertainty for airborne polarimetric radiometers

Table 2. Analysis results of absolute radiometric calibration uncertainty for airborne polarimetric radiometers

Table 3. The measurement accuracy of 490 channels polarization of the instrument was verified by comparative experiment

Table 3. The measurement accuracy of 490 channels polarization of the instrument was verified by comparative experiment

Table 4. Verification results of polarization measurement accuracy of airborne polarization radiometer

Table 4. Verification results of polarization measurement accuracy of airborne polarization radiometer

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