Design of transceiver separation structure for orthogonal cascaded liquid crystal polarization gratings

doi:10.3788/IRLA20210551

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	Design of transceiver separation structure for orthogonal cascaded liquid crystal polarization gratings
	Z. Liu; Q. Wang; H. Shi; C. Wang and H. Qin
	2021
发表期刊	Hongwai yu Jiguang Gongcheng/Infrared and Laser Engineering
ISSN	10072276
卷号	50 期号:11
摘要	Orthogonal cascaded liquid crystal polarization grating can realize optical beam large angle-scale deflection, and has broad application prospects in the fields of space laser communication and LiDAR. It need to emit and receive laser at the same time in most application fields, but how to solve the problem of separating emitted light from received light has not been reported. To solve this problem, change of polarization state of outgoing polarization light source after passing through passive liquid crystal polarization grating layer and orthogonal cascade liquid crystal polarization grating was deduced based on the theories of 1/4 wave plate, 1/2 wave plate and liquid crystal deflection grating, the reversibility of the polarization state of the outgoing light and the beam deflection angle was verified. An optical structure which could realize the deflection and separation of transmitted beam and received beam was designed using polarization splitting prism, 1/4 wave plate, 1/2 wave plate and orthogonal cascade liquid crystal polarization grating. A test system was constructed, the test results prove the correctness of the theory and the applicability of the optical structure finally. 2021, Editorial Board of Journal of Infrared and Laser Engineering. All right reserved.
DOI	10.3788/IRLA20210551
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收录类别	EI
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文献类型	期刊论文
条目标识符	http://ir.ciomp.ac.cn/handle/181722/65165
专题	中国科学院长春光学精密机械与物理研究所
推荐引用方式 GB/T 7714	Z. Liu,Q. Wang,H. Shi,et al. Design of transceiver separation structure for orthogonal cascaded liquid crystal polarization gratings[J]. Hongwai yu Jiguang Gongcheng/Infrared and Laser Engineering,2021,50(11).
APA	Z. Liu,Q. Wang,H. Shi,&C. Wang and H. Qin.(2021).Design of transceiver separation structure for orthogonal cascaded liquid crystal polarization gratings.Hongwai yu Jiguang Gongcheng/Infrared and Laser Engineering,50(11).
MLA	Z. Liu,et al."Design of transceiver separation structure for orthogonal cascaded liquid crystal polarization gratings".Hongwai yu Jiguang Gongcheng/Infrared and Laser Engineering 50.11(2021).

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