• Laser & Optoelectronics Progress
  • Vol. 55, Issue 3, 031402 (2018)
Zhiwei Xie1, Shiyun Dong,*, Shixing Yan1, Enzhong Li1..., Hongbin Wang1 and Chonghe Li1|Show fewer author(s)
Author Affiliations
  • 1 National Key Laboratory for Remanufacturing, Academy of Armored Forces Engineering, Beijing 100072, China
  • 1 School of Materials Science and Engineering, Shanghai University, Shanghai 200072, China
  • show less
    DOI: 10.3788/LOP55.031402 Cite this Article Set citation alerts
    Zhiwei Xie, Shiyun Dong, Shixing Yan, Enzhong Li, Hongbin Wang, Chonghe Li. Morphological Adjustment of 304 Stainless Steel by Picosecond Laser Micro-Nano Fabrication[J]. Laser & Optoelectronics Progress, 2018, 55(3): 031402 Copy Citation Text show less
    Schematic of picosecond laser processing system
    Fig. 1. Schematic of picosecond laser processing system
    (a) Schematic of picosecond laser processing route; (b) schematic of grating micro-nano structure
    Fig. 2. (a) Schematic of picosecond laser processing route; (b) schematic of grating micro-nano structure
    Schematic of serrated morphology at bottom of grating micro-nano structure
    Fig. 3. Schematic of serrated morphology at bottom of grating micro-nano structure
    Single pulse energy density and laser ablation rate versus average power
    Fig. 4. Single pulse energy density and laser ablation rate versus average power
    Width and depth of grating micro-nano structure versus average power
    Fig. 5. Width and depth of grating micro-nano structure versus average power
    Morphologies of grating micro-nano structures under different average powers. (a) 1.4 W; (b) 7.0 W
    Fig. 6. Morphologies of grating micro-nano structures under different average powers. (a) 1.4 W; (b) 7.0 W
    Schematic of picosecond laser spot overlap
    Fig. 7. Schematic of picosecond laser spot overlap
    Spot overlap rate and laser ablation rate versus scanning speed
    Fig. 8. Spot overlap rate and laser ablation rate versus scanning speed
    SEM images of grating micro-nano structures under different scanning speeds. (a) 200 mm·s-1; (b) 700 mm·s-1
    Fig. 9. SEM images of grating micro-nano structures under different scanning speeds. (a) 200 mm·s-1; (b) 700 mm·s-1
    Width and depth of grating micro-nano structures under different scanning speeds
    Fig. 10. Width and depth of grating micro-nano structures under different scanning speeds
    Pulse number and laser ablation rate versus processing times
    Fig. 11. Pulse number and laser ablation rate versus processing times
    Width and depth of grating micro-nano structures versus processing times
    Fig. 12. Width and depth of grating micro-nano structures versus processing times
    3D morphologies of grating micro-nano structures under different processing times. (a) 40; (b) 50
    Fig. 13. 3D morphologies of grating micro-nano structures under different processing times. (a) 40; (b) 50
    Micro-nano structure on stainless steel surface. (a) 3D morphology; (b) SEM image
    Fig. 14. Micro-nano structure on stainless steel surface. (a) 3D morphology; (b) SEM image
    Zhiwei Xie, Shiyun Dong, Shixing Yan, Enzhong Li, Hongbin Wang, Chonghe Li. Morphological Adjustment of 304 Stainless Steel by Picosecond Laser Micro-Nano Fabrication[J]. Laser & Optoelectronics Progress, 2018, 55(3): 031402
    Download Citation