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Laser & Optoelectronics Progress, Volume. 58, Issue 11, 1108001(2021)

Characteristics of Double-Vortex Optical Interferogram Based on Shearing Interference

Donge Zhao1,2、*, Nuolun Li1, Yayun Ma1, and Wenbo Chu1
Author Affiliations
  • 1School of Information and Communication Engineering, North University of China, Taiyuan , Shanxi 030051, China
  • 2State Key Laboratory of Electronic Testing Technology, North University of China, Taiyuan , Shanxi 030051, China
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    Figures & Tables(7)
    Simulated interferograms of vortex beams. at l=1 when O1 and O2 are in different positions. (a) (15,0)，(-15,0); (b) (-15,-15)，(15,15); (c) (0,-15)，(0,15);(d) (0,15)，(0,-15); (e) (-15,15)，(15,-15); (f) (0,0)，(0,0)

    Fig. 1. Simulated interferograms of vortex beams. at l=1 when O1 and O2 are in different positions. (a) (15,0)，(-15,0); (b) (-15,-15)，(15,15); (c) (0,-15)，(0,15);(d) (0,15)，(0,-15); (e) (-15,15)，(15,-15); (f) (0,0)，(0,0)

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    Simulated interferograms of vortex beams. at l=2 when O1 and O2 are in different positions. (a) (15,0)，(-15,0); (b) (-15,-15)，(15,15); (c) (0,-15)，(0,15);(d) (0,15)，(0,-15); (e) (-15,15)，(15,-15); (f) (0,0)，(0,0)

    Fig. 2. Simulated interferograms of vortex beams. at l=2 when O1 and O2 are in different positions. (a) (15,0)，(-15,0); (b) (-15,-15)，(15,15); (c) (0,-15)，(0,15);(d) (0,15)，(0,-15); (e) (-15,15)，(15,-15); (f) (0,0)，(0,0)

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    Experimental setup for measuring interferogram characteristics based on shearing interferometer of two vortex beams

    Fig. 3. Experimental setup for measuring interferogram characteristics based on shearing interferometer of two vortex beams

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    Interferograms about two vortex beams with different positions of phase singularity.(a) (351,251)，(151,251)；(b)(151,151)，(351,351)；(c)(251,151)，(251,351);(d)(251,351)，(251,151)；(e)(151,351)，(351,151);(f)(251,251)，(251,251)

    Fig. 4. Interferograms about two vortex beams with different positions of phase singularity.(a) (351,251)，(151,251)；(b)(151,151)，(351,351)；(c)(251,151)，(251,351);(d)(251,351)，(251,151)；(e)(151,351)，(351,151);(f)(251,251)，(251,251)

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    Correlation coefficients of interferograms about two vortex beams with different positions of phase singularity

    Fig. 5. Correlation coefficients of interferograms about two vortex beams with different positions of phase singularity

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    Interferograms about two vortex beams with different topological charges. (a) l=1; (b) l=2; (c) l=3; (d) l=4; (e) l=5

    Fig. 6. Interferograms about two vortex beams with different topological charges. (a) l=1; (b) l=2; (c) l=3; (d) l=4; (e) l=5

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    Correlation coefficient curves of interferograms about two vortex beams with different topological charges

    Fig. 7. Correlation coefficient curves of interferograms about two vortex beams with different topological charges

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    Donge Zhao, Nuolun Li, Yayun Ma, Wenbo Chu. Characteristics of Double-Vortex Optical Interferogram Based on Shearing Interference[J]. Laser & Optoelectronics Progress, 2021, 58(11): 1108001

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    Paper Information

    Category: Geometric Optics

    Received: Dec. 23, 2020

    Accepted: Mar. 2, 2021

    Published Online: Jun. 7, 2021

    The Author Email: Donge Zhao (zhaodonge@nuc.edu.cn)

    DOI:10.3788/LOP202158.1108001

    Topics

    laser devices and laser physics
    Lasers and Laser Optics
    Laser physics
    laser manufacturing
    Instrumentation, Measurement and Metrology