研究目的
Investigating the translation of high power femtosecond lasers into high-speed micromachining through beam engineering and modelling.
研究成果
The study demonstrates that high power femtosecond lasers can be effectively used for high-speed micromachining through beam engineering and modelling. The solutions presented increase the range of applications of femtosecond processes, improving micro-processing results and speed.
研究不足
The model does not take into account additional thermal effects, and the practical use of polygon technology is not straightforward, combined with thermal accumulation effects.
1：Experimental Design and Method Selection:
The study focuses on the use of hybrid femtosecond lasers for high-speed micromachining, employing beam delivering tools with suitable synchronization of laser pulses.
2：Sample Selection and Data Sources:
The research utilizes stainless steel as a sample material for processing.
3：List of Experimental Equipment and Materials:
The equipment includes hybrid Yb-fiber-/Yb:YAG amplifiers, Spatial Light Modulators (SLMs), and galvanometric and polygonal scanners.
4：Experimental Procedures and Operational Workflow:
The study involves rapid scanning systems or multi-beam shaping techniques and a simple engineering model for rapid estimation of ablation efficiency.
5：Data Analysis Methods:
The analysis includes comparing experimental and calculated profiles for line ablation and evaluating specific removal rates.
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