Pulsewidth and ambient medium effects during ultrashort-pulse laser ablation of silicon in air and water

NA Smirnov, SI Kudryashov, AA Rudenko… - Applied Surface …, 2021 - Elsevier
Comparative single-shot pulse study of ablation topographies and depths on Si surfaces
excited by 1030-nm sub-(0.3 ps) and pico-picosecond (10 ps) laser pulses at different laser …

Laser ablation of silicon with THz bursts of femtosecond pulses

C Gaudiuso, PN Terekhin, A Volpe, S Nolte… - Scientific reports, 2021 - nature.com
In this work, we performed an experimental investigation supported by a theoretical analysis,
to improve knowledge on the laser ablation of silicon with THz bursts of femtosecond laser …

Birefringent microstructures in bulk fluorite produced by ultrafast pulsewidth-dependent laser inscription

SI Kudryashov, PA Danilov, AE Rupasov… - Applied Surface …, 2021 - Elsevier
Three-segment microtracks were for the first time inscribed in bulk fluorite in the scanning
mode via multishot exposure by tightly-focused 515-nm ultrashort laser pulses of variable …

Nanohydrodynamic Local Compaction and Nanoplasmonic Form-Birefringence Inscription by Ultrashort Laser Pulses in Nanoporous Fused Silica

S Kudryashov, A Rupasov, R Zakoldaev, M Smaev… - Nanomaterials, 2022 - mdpi.com
The inscription regimes and formation mechanisms of form-birefringent microstructures
inside nano-porous fused silica by tightly focused 1030-and 515-nm ultrashort laser pulses …

Polarization-Sensitive Nonlinear Optical Interaction of Ultrashort Laser Pulses with HPHT Diamond

GK Krasin, YS Gulina, EV Kuzmin, VP Martovitskii… - Photonics, 2023 - mdpi.com
The filamentation of focused 300 fs laser pulses with variable polarization azimuth in bulk of
synthetic HPHT diamond demonstrates the possibility of polarization-dependent bandgap …

Intrapulse correlated dynamics of self-phase modulation and spontaneous Raman scattering in synthetic diamond excited and probed by positively chirped ultrashort …

S Kudryashov, P Danilov, J Chen - Photonics, 2023 - mdpi.com
In synthetic diamond plates, the intrapulse-correlated dynamics of self-phase modulation
and spontaneous nonresonant Raman scattering by center-zone optical phonons were for …

General strategy toward laser single-step generation of multiscale anti-reflection structures by marangoni effect

J Yin, H Yan, G Dunzhu, R Wang, S Cao, R Zhou, Y Li - Micromachines, 2022 - mdpi.com
The anti-reflection of transparent material surfaces has attracted great attention due to its
potential applications. In this paper, a single-step controllable method based on an infrared …

Ultrashort-laser electron–hole plasma and intragap states in diamond

GK Krasin, SI Kudryashov, PA Danilov… - The European Physical …, 2021 - Springer
The article discusses the implementation of ultrafast broadband excitation of A-band
luminescence of natural diamond by femtosecond-laser pulses with low-energy near-IR …

Generation of an Array of Birefringent Nanogratings in the Bulk of Fluorite Irradiated by Ultrashort Laser Pulses with Different Durations

SI Kudryashov, PA Danilov, MP Smaev, AE Rupasov… - JETP Letters, 2021 - Springer
Birefringent microstructures recorded at a fixed depth under the action of laser pulses with a
wavelength of 1030 nm, different durations in the range of 0.3–3.8 ps, and different energies …

High-NA focusing of ultrashort laser pulses in bulk of ZnSe

YS Gulina, SI Kudryashov, NA Smirnov… - Optics and …, 2023 - Springer
A study of high-NA focusing process of ultrashort laser pulses in bulk of ZnSe has been
carried out. It is shown that when focusing laser Gaussian beam with high-aperture lenses …