Calibration method for thermal infrared division-of-focal-plane polarimeters considering polarizer reflection characteristics

Jianguo Yang; Hao Cui; Li Li; Weiqi Jin; Zunyi Sun

doi:10.1364/AO.500712

Applied Optics
Vol. 62,
Issue 35,
pp. 9215-9227
(2023)
•https://doi.org/10.1364/AO.500712

Calibration method for thermal infrared division-of-focal-plane polarimeters considering polarizer reflection characteristics

Jianguo Yang, Hao Cui, Li Li, Weiqi Jin, and Zunyi Sun

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Jianguo Yang, Hao Cui, Li Li, Weiqi Jin, and Zunyi Sun, "Calibration method for thermal infrared division-of-focal-plane polarimeters considering polarizer reflection characteristics," Appl. Opt. 62, 9215-9227 (2023)

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Abstract

Owing to manufacturing defects of micropolarizer arrays and differences in the pixel response of detectors, division-of-focal-plane (DoFP) polarimeters have severe nonuniformity, which affects the measurement accuracy of the polarimeters and the calculation of the polarization information. This study proposes a calibration method for thermal infrared DoFP polarimeters considering polarizer reflection characteristics. The temperature-controlled adjustable infrared polarized radiation source is calibrated by a division-of-time polarimeter and is, in turn, used to calibrate a thermal infrared DoFP polarimeter. Through laboratory blackbody and external scenes, the performance of the proposed method is compared to that of state-of-the-art techniques. The experimental results indicate that the proposed method effectively avoids overcalibration and improves the accuracy of polarization information.

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Data availability

Data underlying the results presented in this paper are not publicly available at this time but may be obtained from the authors upon reasonable request.

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Equations (21)

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	MPA	$a_{1, 0}$	$a_{2, 0}$	$a_{1, 45}$	$a_{2, 45}$	$a_{1, 90}$	$a_{2, 90}$	$a_{1, 135}$
$μ$	Powell and Gruev	0.3935	−0.0288	0.0537	0.3882	−0.3870	0.0589	−0.0472	−0.3581
	Fei et al.	0.4012	−0.0294	0.0554	0.3994	−0.4015	0.0612	−0.0485	−0.3680
	Yin et al.	0.4099	−0.0300	0.0560	0.4044	−0.4031	0.0613	−0.0492	−0.3730
	Our method	0.5099	−0.0373	0.0696	0.5030	−0.5015	0.0763	−0.0612	−0.4640
$σ$	Powell and Gruev	0.0159	0.0202	0.0112	0.0165	0.0204	0.0133	0.0148	0.0230
	Fei et al.	0.0151	0.0207	0.0117	0.0137	0.0171	0.0140	0.0150	0.0205
	Yin et al.	0.0165	0.0211	0.0116	0.0172	0.0213	0.0138	0.0154	0.0240
	Our method	0.0206	0.0262	0.0145	0.0214	0.0265	0.0172	0.0191	0.0298
$Δ θ$	Powell and Gruev	−2.0930°		−3.9379°		−4.3269°		−3.7543°
	Fei et al.	−2.0956°		−3.9415°		−4.3334°		−3.7540°
	Yin et al.	−2.0923°		−3.9424°		−4.3284°		−3.7582°
	Our method	−2.0919°		−3.9390°		−4.3254°		−3.7569°

Methods	$μ (S_{0})$	$σ (S_{0})$	$μ (D o L P)$	$σ (D o L P)$	$μ (A o P)$	$σ (A o P)$
Response	13.4073	0.3936	0.3818	0.0207	47.6813	0.4353
Powell and Gruev	6.5981	0.173	1.0330	0.0601	44.3617	0.4995
Fei et al.	6.5967	0.172	1.0043	0.0541	44.3496	0.4951
Yin et al.	6.5992	0.1818	0.9914	0.0555	44.3546	0.3837
Our method	6.5989	0.1786	0.7970	0.0446	44.3558	0.3972

Areas	Methods	$μ$ ( $S_{0}$ )	$σ$ ( $S_{0}$ )	$μ (D o L P)$	$σ (D o L P)$
Area 1	DoT	12.4844	0.1900	0.0434	0.0081
	Response	13.8660	0.2482	0.0310	0.0144
	Powell and Gruev	6.9417	0.1318	0.0941	0.0097
	Fei et al.	6.9426	0.1312	0.0923	0.0095
	Yin et al.	6.9436	0.1289	0.0908	0.0078
	Our method	6.9446	0.1265	0.0730	0.0063
Area 2	DoT	20.3244	1.9024	0.0126	0.0089
	Response	23.1493	2.9986	0.0158	0.0122
	Powell and Gruev	11.5943	1.6727	0.069	0.0389
	Fei et al.	11.5941	1.6498	0.0639	0.0364
	Yin et al.	11.5963	1.5681	0.0411	0.0312
	Our method	11.5882	1.5394	0.0331	0.0249

	MPA	$a_{1, 0}$	$a_{2, 0}$	$a_{1, 45}$	$a_{2, 45}$	$a_{1, 90}$	$a_{2, 90}$	$a_{1, 135}$
$μ$	Powell and Gruev	0.3935	−0.0288	0.0537	0.3882	−0.3870	0.0589	−0.0472	−0.3581
	Fei et al.	0.4012	−0.0294	0.0554	0.3994	−0.4015	0.0612	−0.0485	−0.3680
	Yin et al.	0.4099	−0.0300	0.0560	0.4044	−0.4031	0.0613	−0.0492	−0.3730
	Our method	0.5099	−0.0373	0.0696	0.5030	−0.5015	0.0763	−0.0612	−0.4640
$σ$	Powell and Gruev	0.0159	0.0202	0.0112	0.0165	0.0204	0.0133	0.0148	0.0230
	Fei et al.	0.0151	0.0207	0.0117	0.0137	0.0171	0.0140	0.0150	0.0205
	Yin et al.	0.0165	0.0211	0.0116	0.0172	0.0213	0.0138	0.0154	0.0240
	Our method	0.0206	0.0262	0.0145	0.0214	0.0265	0.0172	0.0191	0.0298
$Δ θ$	Powell and Gruev	−2.0930°		−3.9379°		−4.3269°		−3.7543°
	Fei et al.	−2.0956°		−3.9415°		−4.3334°		−3.7540°
	Yin et al.	−2.0923°		−3.9424°		−4.3284°		−3.7582°
	Our method	−2.0919°		−3.9390°		−4.3254°		−3.7569°

Methods	$μ (S_{0})$	$σ (S_{0})$	$μ (D o L P)$	$σ (D o L P)$	$μ (A o P)$	$σ (A o P)$
Response	13.4073	0.3936	0.3818	0.0207	47.6813	0.4353
Powell and Gruev	6.5981	0.173	1.0330	0.0601	44.3617	0.4995
Fei et al.	6.5967	0.172	1.0043	0.0541	44.3496	0.4951
Yin et al.	6.5992	0.1818	0.9914	0.0555	44.3546	0.3837
Our method	6.5989	0.1786	0.7970	0.0446	44.3558	0.3972

Abstract

Data availability

Cited By

Figures (11)

Tables (3)

Equations (21)

Applied Optics