Infrared and Laser Engineering, Volume. 52, Issue 8, 20230398(2023)

Twelvefold phase superresolution interferometric measurement in real time via nonlinear light field control

Xinyu Zhang1,2, Haijun Wu1, Rosales-Guzmán Carmelo1, Zhenxu Bai3, Zhihan Zhu1, Xiaopeng Hu2、*, and Shining Zhu2
Author Affiliations
  • 1Wang Da-Heng Center, College of Measurement and Control Technology and Communication Engineering, Harbin University of Science and Technology, Harbin 150080, China
  • 2National Laboratory of Solid-State Microstructures, Nanjing University, Nanjing 210093, China
  • 3Advanced Laser Technology Research Center, Hebei University of Technology, Tianjin 300401, China
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    Figures & Tables(2)
    Experimental demonstration of superresolution interferometric measurements for \begin{document}$ N(=2, 3, 4;6, 8, 12) $\end{document}. (a) Schematic of the experimental setup; (b) Measured superresolved interference between conjugate OAM modes \begin{document}${{L}{G}}_{\pm N}^{p}$\end{document}( SC:single-mode fiber collimator, HW: half-wave plate, QW: quarter-wave plate, QP: Q-plate, UC: upconversion crystal, DC: downconversion crystal, PBS: polarizing beam splitter, DM: dichroic mirror, FL: Fourier lens, SLM: spatial light modulator, CMOS: camera)
    Key technological improvement in the ongoing study, a SOC convertor based on true zero-order astigmatic transformation enabled by liquid-crystal geometric phase( BD: Polarizing beam displacing prism, QW: Quarter-wave plate, GP: Geometric phase elements)
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    Xinyu Zhang, Haijun Wu, Rosales-Guzmán Carmelo, Zhenxu Bai, Zhihan Zhu, Xiaopeng Hu, Shining Zhu. Twelvefold phase superresolution interferometric measurement in real time via nonlinear light field control[J]. Infrared and Laser Engineering, 2023, 52(8): 20230398

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    Paper Information

    Category: Newsletter

    Received: Jul. 3, 2023

    Accepted: Jul. 11, 2023

    Published Online: Oct. 19, 2023

    The Author Email: Hu Xiaopeng (xphu@nju.edu.cn)

    DOI:10.3788/IRLA20230398

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