Laser & Optoelectronics Progress, Volume. 60, Issue 19, 1914001(2023)
Effect of Pulse Duration on Laser-Induced Forward Transfer of Microdroplets
Fig. 3. SEM images of donor copper film and receiving substrate under different pulse durations. (a) 14 ns; (b) 20 ns; (c) 30 ns; (d) 50 ns; (e) 100 ns
Fig. 5. SEM images of deposition microdroplets under different laser energy flux densities at pulse durations of 14 ns and 50 ns (sample rotated 55°). (a) 14 ns; (b) 50 ns
Fig. 6. Schematic of formation of deposition microdroplet morphology under short pulse duration. (a) Single droplet; (b) stacked droplet; (c) fused droplet
Fig. 7. Images of copper film and deposition microdroplet ablated by 20 ns, 4916 mJ/cm2 laser. (a) SEM image of copper film; (b) SEM image of deposition microdroplet; (c) confocal microscopy image of deposition microdroplet
Fig. 9. Large-scale microdroplet array. (a) SEM image of microdroplet array; (b) mesh matching diagram of deposition microdroplet and ablative pit; (c) landing errors of
|
Get Citation
Copy Citation Text
Shuaikang Cheng, Di Wu, Guohu Luo, Yongxiang Hu. Effect of Pulse Duration on Laser-Induced Forward Transfer of Microdroplets[J]. Laser & Optoelectronics Progress, 2023, 60(19): 1914001
Category: Lasers and Laser Optics
Received: Nov. 9, 2022
Accepted: Nov. 30, 2022
Published Online: Sep. 25, 2023
The Author Email: Yongxiang Hu (huyx@sjtu.edu.cn)