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.
Femtosecond laser micromachining: A back-to-basics primer
Jul 1, 2012 · 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 Micromachining - SpringerLink
Jan 1, 2013 · Femtosecond laser micromachining is a process by which pulses from a femtosecond laser are used to induce micrometre-sized structures on the surface or in the bulk of solid materials. The most common laser system used for …
Femtosecond laser-based processing methods and their applications …
Mar 1, 2021 · Micromachining of periodic structure with a femtosecond laser has shown great potential in fields such as bionic robots, photonic crystals, and high-density information storage. Owing to excellent coherence throughout the pulse duration, femtosecond laser interference provides sufficient energy density for micromachining [63] .
Femtosecond Laser Micromachining: Photonic and Microfluidic …
Presents the state-of-the-art in femtosecond laser micromachining of transparent materials; Maskless technology for the fabrication of complex microsystems; All about micromachining of transparent materials with contributions from leading experts in the field; Explains the physics of nonlinear absorption mechanisms of ultrashort pulses
Femtosecond laser micromachining results from laser-induced optical breakdown (Box 1), a process by which optical energy is transferred to the material, ionizing a large number of electrons that, in turn, transfer energy to the lattice.
Femtosecond laser micromachining of diamond: Current …
Jul 1, 2021 · Ultra-fast femtosecond (fs) lasers provide a unique technological opportunity to precisely and efficiently micromachine materials with minimal thermal damage owing to the reduced heat transfer into the bulk of the work material offered by short pulse duration, high laser intensity and focused optical energy delivered on a timescale shorter than ...
Femtosecond Laser Precision Engineering: From Micron, …
Dec 1, 2021 · In past decades, femtosecond laser micromachining has been considered a superior material processing tool, capable of generating complex geometries without photomasks and cleanroom facilities, enabling the processing of materials in different atmospheres, as well as in a vacuum.
Femtosecond laser written waveguides in sapphire for visible …
4 days ago · Femtosecond (fs) laser writing [10, 11] is a powerful technique to produce integrated optical waveguides in the volume of transparent substrates. In this process, a fs-laser beam is tightly focused in the substrate. While the substrate material is transparent for the wavelength of the fs laser, the high peak intensity at the laser focus allows photons to cross the bandgap via multi-photon ...
Femtosecond laser micromachining in transparent materials
Apr 1, 2008 · Femtosecond laser microstructuring is a hot topic in fabrication of optical elements in transparent dielectrics. This work is devoted to direct femtosecond laser writing of surface nanostructures on …