Chinese Journal of Lasers, Volume. 52, Issue 8, 0802401(2025)

Femtosecond Laser Dynamic Holography for Efficient Preparation of Three-Dimensional Multi-Petal Structures

Xinyu Gui, Ze Cai, Chaowei Wang*, Leran Zhang, Yanlei Hu, and Dong Wu
Author Affiliations
  • School of Engineering Science, University of Science and Technology of China, Hefei 230026, Anhui , China
  • show less
    Figures & Tables(8)
    Schematic diagram of femtosecond laser holographic processing system
    Schematic diagram of holographic light field calculation and generation process
    LCoS-SLM wavefront distortion and correction. (a) Schematic diagram of reflected wavefront distortion caused by micron-scale deformation of LCoS-SLM backplane; (b) compensated phase hologram corresponding to 800 nm wavelength
    Schematics of dynamic holographic processing. (a) Dynamic processing through hologram rotation; (b) holograms under different rotation angles; (c) measured optical field distributions under objective lens when hologram rotates at different angles
    Dynamic holographic processing of multi-petal structures. (a) Regulation of opening size of bowl-like structure by adjusting rotation angle; (b) formation of multi-petal flower-like structure; (c) SEM image of multi-petal flower-like structure
    Opening and closing of micro-flower structure controlled by liquid. (a) Micro-flowers opening in liquid; (b) closed micro-flowers after solution is dried; fluorescence images of word “FLOWER” consisting of (c) open and (d) closed micro-flowers, with enlarged fluorescence images on right
    Schematics of dynamic holographic composite processing (a) Hologram rotation motion synergized with displacement stage parallel motion; (b) holograms under different rotation angles
    Compound motion processing demonstrations. (a) Fabrication of micro-spring structures with different pitches by combining rotational dynamic holography with linear motion; (b) fabrication of circular multi-petal structures with different diameters by combining rotational dynamic holography with circular motion; (c) circular multi-petal structures with different diameter periods; (d) fluorescence pattern of concentric circular multi-petal structures with periodic change trend opposite to that of Fig. 8(c)
    Tools

    Get Citation

    Copy Citation Text

    Xinyu Gui, Ze Cai, Chaowei Wang, Leran Zhang, Yanlei Hu, Dong Wu. Femtosecond Laser Dynamic Holography for Efficient Preparation of Three-Dimensional Multi-Petal Structures[J]. Chinese Journal of Lasers, 2025, 52(8): 0802401

    Download Citation

    EndNote(RIS)BibTexPlain Text
    Save article for my favorites
    Paper Information

    Category: Laser Micro-Nano Manufacturing

    Received: Jan. 24, 2025

    Accepted: Feb. 24, 2025

    Published Online: Apr. 2, 2025

    The Author Email: Chaowei Wang (chaoweiw@ustc.edu.cn)

    DOI:10.3788/CJL250502

    CSTR:32183.14.CJL250502

    Topics