Ultrafast Laser Nanostructuring
The Pursuit of Extreme Scales
Article
Femtosecond-laser-induced evolution of \(\alpha\) α -quartz bandgap was calc...
Chapter
The capability of ultrashort laser pulses to generate nonlinear absorption in the transparency window of dielectric materials is at the base of volume structuring. The result is a local change of the refractiv...
Book
Chapter
Direct laser writing is a powerful technique for the development of photonic devices, namely, by allowing 3D structuring and generation of waveguides and other optical functions in bulk dielectrics by locally ...
Article
A highly efficient drilling process is found in non-transparent metallic materials enabled by the use of non-diffractive ultrafast Bessel beams. Applied for deep drilling through a 200 μm-thick steel plate, th...
Article
We describe the evolution of ultrafast-laser-excited bulk fused silica over the entire relaxation range in one-dimensional geometries fixed by non-diffractive beams. Irradiation drives local embedded modificat...
Article
Ultrafast laser photoinscription of optical materials has seen a strong development in the recent years for a range of applications in integrated photonics. Fueled by its capability to confine energy in micro-...
Article
Cavitation in pure liquids and in liquids containing nanoparticles enables applications in mechanics, bio-medicine, and energy. Its evolution carries a significant interest. We describe the multiscale dynamic ...
Article
Single-shot Gaussian–Bessel laser beams of 1 ps pulse duration and of ~ 0.9 μm core size and ~ 60 μm depth of focus are used for drilling micro-channels on front side of fused silica in ambient condition. Chan...
Article
Optical feedback is often evoked in laser-induced periodic nanostructures. Visualizing the coupling between surfaces and light requires highly-resolved imaging methods. We propose in-situ structured-illumination-...
Chapter
The result of ultrafast laser processing of embedded refractive index changes in optical materials depends on the material relaxation paths, as well as on the spatio-temporal characteristics of the writing bea...
Chapter
The aim of this chapter is to provide a basic introduction to the principles that lay the foundation for established approaches that treat matter as a continuum model, in order to describe and comprehend the a...
Chapter
Ultrafast lasers have gained momentum in material processing technologies in response to requirements for higher accuracy. Minimal energy diffusion and high nonlinearity of interaction indicate the possibility...
Chapter and Conference Paper
Ultrafast laser radiation usually induces rarefaction and negative refractive index changes in glasses with high thermal expansion. Acting on the laser-induced heat source, tailored intensity envelopes can gen...
Chapter