Physical Mechanism and Application of Ultrafast Laser Interaction with Metal

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About this Research Topic

Submission deadlines

  1. Manuscript Submission Deadline 5 May 2025

  2. This Research Topic is still accepting articles.

Background

Ultrafast laser, as a laser with a pulse duration of 10-12-10-15 s, can obtain huge single pulse energy and extremely high peak power in a very short time. Ultrafast-laser-based processing technology, with its controllable processing accuracy, diverse processing capabilities and broad material adaptability, offers a wide range of application opportunities in micro and nano manufacturing, as well as other fields such as nanotechnology, biotechnology, energy science and photonics. Among so many ultrafast laser micro/nano fabrication technologies, what really matters is the physical mechanism of interaction between ultrafast laser and metal, which directly determines the final manufacturing capability. However, it should be noted that very little work has been carried out on this filed since it is hard to capture the critical transient phenomenon and evolving process induced by ultrafast laser owing to its ultra-high space-time characteristics. There exists a great deal of scientific problem and technological challenging in interaction between ultrafast laser and metal, severely hindering the extensive application of ultrafast-laser-based processing technology.

This Research Topic aims to elucidating the transient space-time evolution process of multiple physical fields induced by ultrafast laser, involving thermal, pressure, liquid, magnetic and electric field, etc. The focus is on revealing the mechanism of non-equilibrium energy absorption, material phase change and removal, plasma evolution and shock wave propagation under the effects of ultrafast laser irradiation, and building corresponding physical model. Moreover, linking laser processing parameters to excited physical factors, such as temperature, pressure and velocity, is also crucial for developing novel strategy with higher processing accuracy and efficiency, providing theoretical basis for ultrafast-laser-based processes optimization.

This collection will accept Original Research, Reviews, and Perspectives that explore physical mechanism and application of ultrafast laser interaction with metal. Those studies employing cutting-edge temporal-spatial resolution methods and interdisciplinary approaches are highly welcomed. Manuscripts involving theoretical models correlated with experimental results will be highly favoured. To gather further insights in this field, we welcome articles addressing, but not limited to, the following themes:
• Multiscale spatiotemporal characterization method for ultrafast laser interaction with metal;
• Simulated model of ultrafast laser interaction with metal to reveal the physical phenomenon more factually and predict physical factors more precisely.
• Strong-field physics pumped by ultrafast laser;
• Solid-liquid conversion and melt flow behavior under strong field induced by ultrafast laser;
• Formation mechanism and transient dynamic behavior of plasma/shock wave;
• Advanced ultrafast-laser-based processing technology (micro/nano manufacturing, laser shock peening/forming, laser drilling, laser cleaning/polishing, 3D-printing, etc.).

Article types and fees

This Research Topic accepts the following article types, unless otherwise specified in the Research Topic description:

  • Brief Research Report
  • Editorial
  • Mini Review
  • Original Research
  • Perspective
  • Review
  • Technology and Code

Articles that are accepted for publication by our external editors following rigorous peer review incur a publishing fee charged to Authors, institutions, or funders.

Keywords: Ultrafast laser, Metal, Energy absorption, Shock wave, Laser ablation, Advanced manufacturing

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