Polarization Aberration Analysis and Compensation of Off-Axis Optical System with Digital Micro-Mirror Device

Kaikai Wang; Chao Wang; Haodong Shi; Zhuang Liu; Qiang Fu; Jiayu Wang; Yingchao Li; Huilin Jiang

doi:10.3788/AOS202242.1611001

Acta Optica Sinica, Volume. 42, Issue 16, 1611001(2022)

Polarization Aberration Analysis and Compensation of Off-Axis Optical System with Digital Micro-Mirror Device

Kaikai Wang^1,3, Chao Wang^1,2,3、*, Haodong Shi¹, Zhuang Liu¹, Qiang Fu¹, Jiayu Wang^1,3, Yingchao Li¹, and Huilin Jiang¹

Author Affiliations

¹National and Local Joint Engineering Research Center for Space Optoelectronics Technology, Jilin Key Laboratory of Space Optoelectronics Technology, Changchun University of Science and Technology, Changchun 130022, Jilin , China

²State Key Laboratory of Applied Optics, Changchun Institute of Optics, Fine Mechanics and Physics, Chinese Academy of Sciences, Changchun 130033, Jilin , China

³School of Opto-Electronic Engineering, Changchun University of Science and Technology, Changchun 130022, Jilin , China

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Figures & Tables(17)

Fig. 1. Optical system structure diagram

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Fig. 2. MTF diagram

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Fig. 3. Variations of amplitude and phase reflection coefficients for r_s and r_pwith incident angle. (a) Amplitude reflection coefficient; (b) phase reflection coefficient

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Fig. 4. Schematic diagram of polarized light reflection on surface of DMD

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Fig. 5. Variation trend of incident angle of light on DMD surface with fields of view

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Fig. 6. Diattenuation of DMD surface and total system in fields of view of (1,-1) and (-1,1). (a)(b) Diattenuation of DMD surface; (c)(d) diattenuation of total system

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Fig. 7. Retardance of DMD surface and total system in fields of view of (1,-1) and (-1,1). (a)(b) Retardance of DMD surface; (c)(d) retardance of total system

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Fig. 8. Schematic diagram of compensation device setting

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Fig. 9. Polarization aberration distributions of weak polarizer. (a) Diattenuation of LD; (b) retardance of LR

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Fig. 10. System polarization aberration distributions after LD and LR compensations. (a) Diattenuation; (b) retardance

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Fig. 11. Jones pupils. (a) A_xx; (b) A_xy; (c) ϕ_xx; (d) ϕ_xy; (e) A_yx; (f) A_yy; (g) ϕ_yx; (h) ϕ_yy

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Fig. 12. Jones pupils of system after adding compensation device. (a) A_xx; (b) A_xy; (c) ϕ_xx; (d) ϕ_xy; (e) A_yx; (f) A_yy; (g) ϕ_yx; (h) ϕ_yy

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Fig. 13. Stokes vector diagrams of object plane and image plane when horizontally polarized light is incident

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Table 1. Parameters of optical system

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Table 1. Parameters of optical system

Parameter	Value
Wavelength /μm	3.7-4.8
Field of view in x direction /（°）	4.23
Field of view in y direction /（°）	3.38
F number	2.25
Focal length /mm	147
DMD array size /pixel	1280×1024
DMD pixel size /μm	10.8
Detector pixel size /μm	17
Detector array size /pixel	640×512
Dynamic range of detector /dB	29

Table 2. Maximum values of diattenuation and retardance at DMD surface and exit pupil in typical fields of view
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Table 2. Maximum values of diattenuation and retardance at DMD surface and exit pupil in typical fields of view
Surface Maximum diattenuation /10^-3 Maximum retardance /（10^-3 rad）
（1，-1）（-1，1）（1，-1）（-1，1）
DMD 1.43 1.36 9.52 9.05
Exit pupil 2.32 2.22 15.5 14.7

Table 3. Polarization aberrations of system before and after compensation under different wavelengths
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Table 3. Polarization aberrations of system before and after compensation under different wavelengths
Wavelength /μm Maximum diattenuation /10^-3 Maximum retardance /（10^-3 rad）
Original Corrected Original Corrected
3.7 2.85 1.40 22.10 11.20
4.25 2.32 1.30 15.50 8.75
4.8 1.92 0.97 9.72 4.92

Table 4. Accuracy of system polarization information acquisition at different wavelengths

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Table 4. Accuracy of system polarization information acquisition at different wavelengths

Wavelength /μm	S_0，image1	S_0，image2	Accuracy improvement of S₀ /%	S_2，image1	S_2，image2	Accuracy improvement of S₂ /%	S_3，image1	S_3，image2	Accuracy improvement of S₃ /%
3.7	0.966	0.985	1.9	0.045	0.021	2.4	0.034	0.012	2.2
4.25	0.978	0.996	1.8	0.036	0.014	2.2	0.021	0.001	2.0
4.8	0.982	0.999	1.6	0.025	0.005	2.0	0.015	0.001	1.4

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Kaikai Wang, Chao Wang, Haodong Shi, Zhuang Liu, Qiang Fu, Jiayu Wang, Yingchao Li, Huilin Jiang. Polarization Aberration Analysis and Compensation of Off-Axis Optical System with Digital Micro-Mirror Device[J]. Acta Optica Sinica, 2022, 42(16): 1611001

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Paper Information

Category: Imaging Systems

Received: Dec. 23, 2021

Accepted: Mar. 11, 2022

Published Online: Aug. 4, 2022

The Author Email: Wang Chao (nicklo19992009@163.com)

DOI:10.3788/AOS202242.1611001

Topics

laser devices and laser physics

Lasers and Laser Optics

Laser physics

laser manufacturing

Instrumentation, Measurement and Metrology

Table 1. Parameters of optical system

Table 1. Parameters of optical system

Table 2. Maximum values of diattenuation and retardance at DMD surface and exit pupil in typical fields of view

Table 2. Maximum values of diattenuation and retardance at DMD surface and exit pupil in typical fields of view

Table 3. Polarization aberrations of system before and after compensation under different wavelengths

Table 3. Polarization aberrations of system before and after compensation under different wavelengths

Table 4. Accuracy of system polarization information acquisition at different wavelengths

Table 4. Accuracy of system polarization information acquisition at different wavelengths