Femtosecond Laser Precision Engineering: From Micron, …
2021年12月1日 · For micron-scale processing, femtosecond laser is widely used in transparent material fabrication. The laser-induced plasma-assisted ablation (LIPAA), two-photon absorption (TPA), and direct irradiation are feasible to create 2D/3D …
Femtosecond laser micromachining: A back-to-basics primer
2012年7月1日 · Femtosecond laser micromachining is a rapidly advancing area of ultrafast laser applications. Because the machining process is not dependent on linear absorption at the laser wavelength, virtually any dielectric, metal, or mechanically hard material can be machined by the same laser beam.
Femtosecond laser-based processing methods and their applications …
2021年3月1日 · In this review, we focus on the recent advancements of femtosecond laser fabrication technologies and their versatile applications in different fields (e.g., nanotechnology, soft robotics, optics, and optoelectronics).
Femtosecond Laser - an overview | ScienceDirect Topics
Femtosecond lasers are used to fabricate Fabry-Perot interferometer (FPI), Mach-Zehnder interferometer (MZI), fiber Bragg grating (FBG), the combination structure of FPI-FBG and MZI-FBG.
Femtosecond laser micromachining in transparent materials
Femtosecond laser micromachining can be used either to remove materials or to change a material's properties, and can be applied to both absorptive and transparent substances.
Optimization of the Femtosecond Laser Machining Process for …
2024年9月3日 · In this study, the femtosecond laser machining process for SCD material was systematically optimized using both single-factor experiments and RSM to improve the machining quality and efficiency simultaneously, i.e., maximizing the ablation width and depth while minimizing surface roughness.
Femtosecond lasers: From inception to industrial applications
2019年5月31日 · In comparison to other techniques such as mechanically ruling the surface, marking by longer-pulse lasers, or surface shot peening, femtosecond-laser crosshatching of a surface is shown to efficiently diffuse the associated oil film and significantly improve oil retention.
Femtosecond lasers currently show much promise as potential sources of choice in a number of laser micromachining applications, including biomedicine, photonics and semiconductors. The status of micromachining with femtosecond pulses is reviewed for a variety of materials and a comparison made with other solid-state lasers.
Femtosecond Laser Micro/Nano-manufacturing: Theories, …
2020年2月28日 · The methods of femtosecond laser fabrication mainly include femtosecond laser direct writing, femtosecond laser time/space shaping, femtosecond laser frequency modulation such as second harmonic generation or OPA, and femtosecond-laser-induced chemical reaction.
Ultrafast lasers—reliable tools for advanced materials processing
2014年4月11日 · The unique ability of direct femtosecond laser writing to simultaneously alter the chemical and optical properties of bulk glass materials provides new avenues to fabricate a variety of...