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Chinese Journal of Lasers, Volume. 45, Issue 6, 0601007(2018)

Spatial Distribution of High-Order Harmonic controlled by a Chirped Laser Pulse and Isolated Attosecond Pulse Generation

Xiaohu Xu1, Changlong Xia1, Zhiwei Guo2, and Xiangyang Miao1
Author Affiliations
  • 1 College of Physics and Information Engineering, Shanxi Normal University, Linfen, Shanxi 0 41004, China
  • 2 Key Laboratory of Advanced Microstructure Materials, Ministry of Education, College of Physics and Engineering, Tongji University, Shanghai 200092, China
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    HHG spectra from different parameters of β

    Fig. 1. HHG spectra from different parameters of β

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    Spatial distributions of HHG in four different conditions. (a) β=0, δ(t)=0; (b) β=6, δ(t)≈0.4π; (c) β=3, δ(t)=0; (d) β=6, δ(t)=0

    Fig. 2. Spatial distributions of HHG in four different conditions. (a) β=0, δ(t)=0; (b) β=6, δ(t)≈0.4π; (c) β=3, δ(t)=0; (d) β=6, δ(t)=0

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    (a)(c) Classical kinetic energy of the electron; (b)(d) electron wave packet density

    Fig. 3. (a)(c) Classical kinetic energy of the electron; (b)(d) electron wave packet density

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    (a) Time frequency analysis for the case of β=6; (b) temporal profile of the attosecond pulse

    Fig. 4. (a) Time frequency analysis for the case of β=6; (b) temporal profile of the attosecond pulse

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    (a) HHG spectrum; (b) spatial distribution of HHG for the case of τ0=10 fs; (c) time frequency analysis of HHG for the case of τ0=10 fs; (d) attosecond pulse generation by superposing bandwidth from 140th to 240th order

    Fig. 5. (a) HHG spectrum; (b) spatial distribution of HHG for the case of τ0=10 fs; (c) time frequency analysis of HHG for the case of τ0=10 fs; (d) attosecond pulse generation by superposing bandwidth from 140th to 240th order

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    Xiaohu Xu, Changlong Xia, Zhiwei Guo, Xiangyang Miao. Spatial Distribution of High-Order Harmonic controlled by a Chirped Laser Pulse and Isolated Attosecond Pulse Generation[J]. Chinese Journal of Lasers, 2018, 45(6): 0601007

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    Paper Information

    Category: laser devices and laser physics

    Received: Dec. 15, 2017

    Accepted: --

    Published Online: Jul. 5, 2018

    The Author Email:

    DOI:10.3788/CJL201845.0601007

    Topics

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