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Analysis and design of the medium wave infrared polarization co-aperture optical system
Author(s): Wen-cong Wong; Hui-jun Hu; Dong-dong Jin; Xin-bo Chu; Jing-jing Li; Jin-sheng Liu; Juan Song; Ting Xiao; Si-pei Shao
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Paper Abstract

This paper analyzes the development status of the infrared polarization imaging system. According to the application need of medium wave infrared (MWIR) polarization image, this paper proposes a MWIR polarization coaperture optical system. The system is composed of the front co-aperture optical system and the rear sub-aperture optical system. The rear separate aperture optical system includes four polarization channels. Each channel adopts a 1/4 wave plate and a linear polarizers to obtain three line Stokes polarization components and one circularly Stokes polarization components Thus the system could achieve full polarization imaging. According to the detector and the corresponding application needs, the calculation and optical system design were completed. After the design, the MTF of the optical system is more than 0.3@17lp/mm. The maximum RMS spot diameter is less than the size of detector pixel and a single pixel energy concentration is greater than 80%.

Paper Details

Date Published: 20 February 2018
PDF: 6 pages
Proc. SPIE 10697, Fourth Seminar on Novel Optoelectronic Detection Technology and Application, 106972B (20 February 2018); doi: 10.1117/12.2315439
Show Author Affiliations
Wen-cong Wong, Shandong Aerospace Electro-technology Institute (China)
Hui-jun Hu, Shandong Aerospace Electro-technology Institute (China)
Dong-dong Jin, Shandong Aerospace Electro-technology Institute (China)
Xin-bo Chu, Shandong Aerospace Electro-technology Institute (China)
Jing-jing Li, Shandong Aerospace Electro-technology Institute (China)
Jin-sheng Liu, Shandong Aerospace Electro-technology Institute (China)
Juan Song, Shandong Aerospace Electro-technology Institute (China)
Ting Xiao, Shandong Aerospace Electro-technology Institute (China)
Si-pei Shao, Shandong Aerospace Electro-technology Institute (China)


Published in SPIE Proceedings Vol. 10697:
Fourth Seminar on Novel Optoelectronic Detection Technology and Application
Weiqi Jin; Ye Li, Editor(s)

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