Spontaneous periodic ordering on the surface and in the bulk of dielectrics irradiated by ultrafast laser: a shared electromagnetic origin

A Rudenko, JP Colombier, S Höhm, A Rosenfeld… - Scientific reports, 2017 - nature.com
Periodic self-organization of matter beyond the diffraction limit is a puzzling phenomenon,
typical both for surface and bulk ultrashort laser processing. Here we compare the …

Observation of ultrafast self-action effects in quasi-BIC resonant metasurfaces

IS Sinev, K Koshelev, Z Liu, A Rudenko… - Nano Letters, 2021 - ACS Publications
High-index dielectric metasurfaces can support sharp optical resonances enabled by the
physics of bound states in the continuum (BICs) often manifested in experiments as quasi …

Genesis of Nanogratings in Silica Bulk via Multipulse Interplay of Ultrafast Photo‐Excitation and Hydrodynamics

A Rudenko, JP Colombier, TE Itina… - Advanced Optical …, 2021 - Wiley Online Library
Structuring below diffraction limit is key to developing new laser processing technologies as
well as to understanding light‐induced processes on mesoscopic scales, notably self …

Multi-rate-equation modeling of the energy spectrum of laser-induced conduction band electrons in water

XX Liang, Z Zhang, A Vogel - Optics express, 2019 - opg.optica.org
We study the energy spectrum of laser-induced conduction band (CB) electrons in water by
multi-rate equations (MRE) with different impact ionization schemes. Rethfeld's MRE model …

Mixing periodic topographies and structural patterns on silicon surfaces mediated by ultrafast photoexcited charge carriers

JP Colombier, A Rudenko, E Silaeva, H Zhang… - Physical Review …, 2020 - APS
Ultrafast laser irradiation of silicon can significantly modify charge densities and optical
indices, impacting the formation and the development of nanoscale-arranged periodic …

Nanopore-mediated ultrashort laser-induced formation and erasure of volume nanogratings in glass

A Rudenko, JP Colombier, TE Itina - Physical Chemistry Chemical …, 2018 - pubs.rsc.org
Ultrashort laser nanostructuring of glasses has attracted increasing interest over the last few
decades due to numerous applications in three-dimensional nanofabrication, optical data …

Trade‐Off between Second‐and Third‐Order Nonlinearities, Ultrafast Free Carrier Absorption and Material Damage in Silicon Nanoparticles

A Rudenko, A Han, JV Moloney - Advanced Optical Materials, 2023 - Wiley Online Library
Reaching the optimal second‐and third‐order nonlinear conversion efficiencies while
avoiding undesirable free carrier absorption losses and material damage in ultrashort laser …

Plasma-free water droplet shattering by long-wave infrared ultrashort pulses for efficient fog clearing

A Rudenko, P Rosenow, V Hasson, JV Moloney - Optica, 2020 - opg.optica.org
High-power lasers can be used to clear a foggy or cloudy atmosphere by exploding and
shattering water microdroplets into smaller fragments. The physics of laser–droplet …

Ionization clamping in ultrafast optical breakdown of transparent solids

A Rudenko, JV Moloney, P Polynkin - Physical Review Applied, 2023 - APS
We formulate a multiphysics model describing the nonlinear propagation of a femtosecond,
near-infrared, tightly focused laser pulse in a wide-band dielectric. The application of our …

Ion imaging of spatially inhomogeneous nanoplasmas in NaCl particles

L Ban, H Tang, J Heitland, CW West, BL Yoder… - Nanoscale, 2024 - pubs.rsc.org
Studying photoemission from free, unsupported aerosol particles is a powerful method for
gaining insight into light–matter interactions at the nanoscale. We used single-shot velocity …