• Chinese Journal of Lasers
  • Vol. 52, Issue 8, 0802401 (2025)
Xinyu Gui, Ze Cai, Chaowei Wang*, Leran Zhang..., Yanlei Hu and Dong Wu|Show fewer author(s)
Author Affiliations
  • School of Engineering Science, University of Science and Technology of China, Hefei 230026, Anhui , China
  • show less
    DOI: 10.3788/CJL250502 Cite this Article Set citation alerts
    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 Copy Citation Text show less
    Schematic diagram of femtosecond laser holographic processing system
    Fig. 1. Schematic diagram of femtosecond laser holographic processing system
    Schematic diagram of holographic light field calculation and generation process
    Fig. 2. 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
    Fig. 3. 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
    Fig. 4. 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
    Fig. 5. 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
    Fig. 6. 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
    Fig. 7. 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)
    Fig. 8. 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)
    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