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Chinese Optics Letters, Volume. 13, Issue Suppl., S22602(2015)

Production of a broadband femtosecond optical vortex by use of a continuous spiral phase plate

Yujing Han1,2, Jinguang Wang1, Jinglong Ma1, Guoqian Liao1, Yutong Li1,4, Liming Chen1,4、*, and Jie Zhang3,4
Author Affiliations
  • 1Beijing National Laboratory of Condensed Matter Physics, Institute of Physics, Chinese Academy of Sciences (CAS), Beijing 100190, China
  • 2Department of Physics, Heze University, Heze 274015, China
  • 3Key Laboratory for Laser Plasmas and Department of Physics and Astronomy, Shanghai Jiao Tong University, Shanghai 200240, China
  • 4IFSA Collaborative Innovation Center, Shanghai Jiao Tong University, Shanghai 200240, China
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    (a) Schematic of experiment setup and (b) 3D structure of the SPP.

    Fig. 1. (a) Schematic of experiment setup and (b) 3D structure of the SPP.

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    Spectrum of the femtosecond laser oscillator and main amplifier laser before compression.

    Fig. 2. Spectrum of the femtosecond laser oscillator and main amplifier laser before compression.

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    Intensity distribution of the optical vortex under the aperture with a diameter of 20 mm.

    Fig. 3. Intensity distribution of the optical vortex under the aperture with a diameter of 20 mm.

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    Intensity distribution of the optical field by setting a cylindrical lens before the CCD.

    Fig. 4. Intensity distribution of the optical field by setting a cylindrical lens before the CCD.

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    Purity of the optical vortex as a function of wavelength.

    Fig. 5. Purity of the optical vortex as a function of wavelength.

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    Yujing Han, Jinguang Wang, Jinglong Ma, Guoqian Liao, Yutong Li, Liming Chen, Jie Zhang. Production of a broadband femtosecond optical vortex by use of a continuous spiral phase plate[J]. Chinese Optics Letters, 2015, 13(Suppl.): S22602

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    Paper Information

    Category: Physical Optics

    Received: Mar. 30, 2015

    Accepted: May. 10, 2015

    Published Online: Aug. 8, 2018

    The Author Email: Liming Chen (lmchen@iphy.ac.cn)

    DOI:10.3788/COL201513.S22602

    Topics

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