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Acta Optica Sinica, Volume. 43, Issue 13, 1326001(2023)

Manipulation of Non-Diffracting Beams with Arbitrary Structures Based on Optical Caustics

Yanping Lan1, Juntao Hu1, Zhuo Sun1, Yishu Wang1, Wenni Ye1, and Yixian Qian1,2、*
Author Affiliations
  • 1College of Physics and Electronic Information Engineering, Zhejiang Normal University, Jinhua 321004, Zhejiang, China
  • 2Key Laboratory of Researching Optical Information Detecting and Display Technology in Zhejiang Province, Jinhua 321004, Zhejiang, China
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    Schematic diagram of generating non-diffracting beams via spectral phase modulation. (a) Spectral phase modulation; (b) caustics with specific structure

    Fig. 1. Schematic diagram of generating non-diffracting beams via spectral phase modulation. (a) Spectral phase modulation; (b) caustics with specific structure

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    Non-diffracting beams with varied structures. (a1) Spectral phase for non-diffracting Bessel beam; (a2) caustics for non-diffracting Bessel beam; (a3) initial intensity distribution for non-diffracting Bessel beam; (b1) spectral phase for non-diffracting Webber beam; (b2) caustics for non-diffracting Webber beam; (b3) initial intensity distribution for non-diffracting Webber beam

    Fig. 2. Non-diffracting beams with varied structures. (a1) Spectral phase for non-diffracting Bessel beam; (a2) caustics for non-diffracting Bessel beam; (a3) initial intensity distribution for non-diffracting Bessel beam; (b1) spectral phase for non-diffracting Webber beam; (b2) caustics for non-diffracting Webber beam; (b3) initial intensity distribution for non-diffracting Webber beam

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    Non-diffracting beams with arbitrary structures. (a1) Segmental graph of kidney-shaped non-diffracting beam; (a2) initial intensity distribution of kidney-shaped non-diffracting beam; (a3) phase pattern of kidney-shaped non-diffracting beam; (b1) segmental graph of 8-shaped non-diffracting beam; (b2) initial intensity distribution of 8-shaped non-diffracting beam; (b3) phase pattern of 8-shaped non-diffracting beam

    Fig. 3. Non-diffracting beams with arbitrary structures. (a1) Segmental graph of kidney-shaped non-diffracting beam; (a2) initial intensity distribution of kidney-shaped non-diffracting beam; (a3) phase pattern of kidney-shaped non-diffracting beam; (b1) segmental graph of 8-shaped non-diffracting beam; (b2) initial intensity distribution of 8-shaped non-diffracting beam; (b3) phase pattern of 8-shaped non-diffracting beam

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    Experimental setup

    Fig. 4. Experimental setup

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    Heart-shaped non-diffracting beams. (a) Spectral phase; (b) numerical side-view; (c1) numerical intensity distribution at the propagation distance of z=0; (c2) numerical intensity distribution at the propagation distance of z=60; (c3) numerical intensity distribution at the propagation distance of z=100; (d1) experimental intensity distribution at the propagation distance of Z=0 mm; (d2) experimental intensity distribution at the propagation distance of Z=60 mm; (d3) experimental intensity distribution at the propagation distance of Z=100 mm

    Fig. 5. Heart-shaped non-diffracting beams. (a) Spectral phase; (b) numerical side-view; (c1) numerical intensity distribution at the propagation distance of z=0; (c2) numerical intensity distribution at the propagation distance of z=60; (c3) numerical intensity distribution at the propagation distance of z=100; (d1) experimental intensity distribution at the propagation distance of Z=0 mm; (d2) experimental intensity distribution at the propagation distance of Z=60 mm; (d3) experimental intensity distribution at the propagation distance of Z=100 mm

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    8-shaped non-diffracting beams. (a1) Numerical intensity distribution at the propagation distance of z=0; (a2) numerical intensity distribution at the propagation distance of z=60; (a3) numerical intensity distribution at the propagation distance of z=100; (b1) experimental intensity distribution at the propagation distance of Z=0 mm; (b2) experimental intensity distribution at the propagation distance of Z=60 mm; (b3) experimental intensity distribution at the propagation distance of Z=100 mm

    Fig. 6. 8-shaped non-diffracting beams. (a1) Numerical intensity distribution at the propagation distance of z=0; (a2) numerical intensity distribution at the propagation distance of z=60; (a3) numerical intensity distribution at the propagation distance of z=100; (b1) experimental intensity distribution at the propagation distance of Z=0 mm; (b2) experimental intensity distribution at the propagation distance of Z=60 mm; (b3) experimental intensity distribution at the propagation distance of Z=100 mm

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    Yanping Lan, Juntao Hu, Zhuo Sun, Yishu Wang, Wenni Ye, Yixian Qian. Manipulation of Non-Diffracting Beams with Arbitrary Structures Based on Optical Caustics[J]. Acta Optica Sinica, 2023, 43(13): 1326001

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    Paper Information

    Category: Physical Optics

    Received: Jan. 2, 2023

    Accepted: Feb. 15, 2023

    Published Online: Jul. 12, 2023

    The Author Email: Qian Yixian (qianyixian@zjnu.edu.cn)

    DOI:10.3788/AOS230433

    Topics

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