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Chinese Journal of Lasers, Volume. 46, Issue 4, 0405002(2019)

Self-Focusing Characteristics of Circular Array Airy Vortex Beams

Songtao Lai1,2、*, Yanping Lan1,2, Hongxing Mao1,2, and Yixian Qian1,2,3、*
Author Affiliations
  • 1 College of Mathematics, Physics, and Information Engineering, Zhejiang Normal University,Jinhua, Zhejiang 321004, China
  • 2 Key Laboratory of Researching Optical Information Detecting and Display Technology in Zhejiang Province, Jinhua, Zhejiang 321004, China
  • 3 Guangxi Key Laboratory of Automatic Detecting Technology and Instruments, Guilin University of Electronic Technology, Guilin, Guangxi 541004, China
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    Figures & Tables(7)
    Airy beam with self-accelerating characteristics. (a) One-dimensional Airy beam; (b) schematic of CAAB

    Fig. 1. Airy beam with self-accelerating characteristics. (a) One-dimensional Airy beam; (b) schematic of CAAB

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    Propagation of CAAB. (a1) Side view of propagation; (a2) intensity distribution during propagation; (b1)-(b3) optical ield distributions for n=35; (c1)-(c3) optical field distributions for n=45; (d1)-(d3) optical field distributions for n=60

    Fig. 2. Propagation of CAAB. (a1) Side view of propagation; (a2) intensity distribution during propagation; (b1)-(b3) optical ield distributions for n=35; (c1)-(c3) optical field distributions for n=45; (d1)-(d3) optical field distributions for n=60

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    Intensity profiles of CAABs with different n values. (a) Initial position; (b) focusing position; (c) K value comparison

    Fig. 3. Intensity profiles of CAABs with different n values. (a) Initial position; (b) focusing position; (c) K value comparison

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    Experimental setup

    Fig. 4. Experimental setup

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    CAAVB. (a1) Side view of propagation; (a2) computed hologram; (b1)-(b3) optical field distributions in planes at ξ=0,263, and 335, respectively; (c1)-(c3) phase distributions corresponding to Figs. 5(b1)-(b3); (d1)-(d3) experimental results corresponding to Figs. 5(b1)-(b3)

    Fig. 5. CAAVB. (a1) Side view of propagation; (a2) computed hologram; (b1)-(b3) optical field distributions in planes at ξ=0,263, and 335, respectively; (c1)-(c3) phase distributions corresponding to Figs. 5(b1)-(b3); (d1)-(d3) experimental results corresponding to Figs. 5(b1)-(b3)

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    Intensity profiles of CAAVB. (a) Initial position; (b) focusing position; (c) K value comparison

    Fig. 6. Intensity profiles of CAAVB. (a) Initial position; (b) focusing position; (c) K value comparison

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    CAAVB with tunable focal length. (a1) Initial intensity distribution for r=0.85; (a2) side view of propagation for r=0.85; (b1) initial intensity distribution for r=1.34; (b2) side view of propagation for r=1.34

    Fig. 7. CAAVB with tunable focal length. (a1) Initial intensity distribution for r=0.85; (a2) side view of propagation for r=0.85; (b1) initial intensity distribution for r=1.34; (b2) side view of propagation for r=1.34

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    Songtao Lai, Yanping Lan, Hongxing Mao, Yixian Qian. Self-Focusing Characteristics of Circular Array Airy Vortex Beams[J]. Chinese Journal of Lasers, 2019, 46(4): 0405002

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    Paper Information

    Category: beam transmission and control

    Received: Nov. 1, 2018

    Accepted: Jan. 14, 2019

    Published Online: May. 9, 2019

    The Author Email:

    DOI:10.3788/CJL201946.0405002

    Topics

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