Lattice Boltzmann Simulations for Melting and Resolidification of Ultrashort Laser Interaction with Thin Gold Film
Sign Up to like & getrecommendations! Published in 2018 at "International Journal of Thermophysics"
DOI: 10.1007/s10765-018-2409-9
Abstract: The interaction between the laser and material is commonly described by the macroscale method, two-temperature model (TTM), and the microscale method, molecular dynamics. In the present paper, the melting and resolidification of ultrashort laser interaction… read more here.
Keywords: ultrashort laser; melting resolidification; method; interaction ... See more keywords
Elastic Scattering of Ultrashort Laser Pulses on Noble Gas Atoms
Sign Up to like & getrecommendations! Published in 2018 at "Russian Physics Journal"
DOI: 10.1007/s11182-018-1538-8
Abstract: The work deals with a theoretical investigation of elastic scattering of ultrashort electromagnetic pulses (USP) on the noble gas atoms in the far ultra-violet and soft X-ray regions. The investigation is performed within the framework… read more here.
Keywords: ultrashort laser; noble gas; gas atoms; elastic scattering ... See more keywords
Direct ultrashort laser surface structuring of silicon in air and vacuum at 1055 nm
Sign Up to like & getrecommendations! Published in 2017 at "Applied Surface Science"
DOI: 10.1016/j.apsusc.2017.03.158
Abstract: Abstract We report an experimental analysis of the surface structures induced on silicon by ≈900 fs laser pulses at 1055 nm, both in air and high vacuum conditions. The direct comparison between the results obtained in atmosphere… read more here.
Keywords: ultrashort laser; laser; surface; air ... See more keywords
Manipulation of the dielectric properties of narrow-band gap material by an ultrashort laser pulse
Sign Up to like & getrecommendations! Published in 2020 at "Computational Materials Science"
DOI: 10.1016/j.commatsci.2020.109602
Abstract: Abstract The control of dielectric responses of narrow-band gap materials by an ultrashort laser pulse is investigated theoretically using time-dependent density functional theory, taking gallium phosphide as a concrete example. We demonstrate that, by using… read more here.
Keywords: ultrashort laser; band gap; laser; laser pulse ... See more keywords
Exceeding the Boundaries of the Paraxial Spatiotemporal Nonlinear Optics and Filamentation for Ultrashort Laser Pulses
Sign Up to like & getrecommendations! Published in 2023 at "ACS Omega"
DOI: 10.1021/acsomega.2c07703
Abstract: An impressive phenomenon of observed plasma instability and conical emission under the propagation of ultrashort laser pulses in the air is reported. The discussed novel findings demonstrating nonlinear effects are incapable to be explained in… read more here.
Keywords: ionization; ultrashort laser; optics; laser pulses ... See more keywords
Prompt increase of ultrashort laser pulse transmission through thin silver films
Sign Up to like & getrecommendations! Published in 2018 at "Applied Physics Letters"
DOI: 10.1063/1.5020957
Abstract: We study experimentally and numerically the increase in ultrashort laser pulse transmissivity through thin silver films caused by the heating of electrons. Low to moderate energy femtosecond laser pulse transmission measurements through 40–125 nm thickness silver… read more here.
Keywords: silver films; ultrashort laser; laser pulse; increase ultrashort ... See more keywords
Measurements of self-guiding of ultrashort laser pulses over long distances
Sign Up to like & getrecommendations! Published in 2018 at "Plasma Physics and Controlled Fusion"
DOI: 10.1088/1361-6587/aa8f0e
Abstract: We report on the evaluation of the performance of self-guiding over extended distances with and focussing geometries. Guiding over or more than 100 Rayleigh ranges was observed with the optic at . Analysis of guiding… read more here.
Keywords: ultrashort laser; laser; measurements self; laser pulses ... See more keywords
Ab initio approach to lattice softening of an Al slab driven by collective electronic excitations after ultrashort laser pulse irradiation
Sign Up to like & getrecommendations! Published in 2019 at "Physical Review B"
DOI: 10.1103/physrevb.100.085417
Abstract: Recent advances in ultrashort laser pulse techniques have opened up a wide variety of applications in both fundamental physics and industrial fields. In this work, $ab$ $initio$ molecular dynamics simulations based on time-dependent density functional… read more here.
Keywords: ultrashort laser; initio approach; laser; laser pulse ... See more keywords
High-current space-charge-limited pulses using ultrashort laser pulses.
Sign Up to like & getrecommendations! Published in 2022 at "Physical review. E"
DOI: 10.1103/physreve.106.055203
Abstract: The maximum current that can be delivered by a 1-D vacuum diode is limited due to the space-charge reduction of the accelerating field. For a steady-state operation, this is given by the Child-Langmuir space-charge limit.… read more here.
Keywords: space charge; high current; space; charge ... See more keywords
Exotic silicon phases synthesized through ultrashort laser-induced microexplosion: Characterization with Raman microspectroscopy
Sign Up to like & getrecommendations! Published in 2020 at "Physical Review Materials"
DOI: 10.1103/physrevmaterials.4.093803
Abstract: Exotic metastable phases of silicon formed under high pressure are expected to have attractive semiconducting properties including narrow band gaps that open up novel technological applications. Confined microexplosions induced by powerful ultrashort laser pulses have… read more here.
Keywords: ultrashort laser; phases synthesized; spectroscopy; silicon ... See more keywords
Ablation of (111) and (001) Crystal Plates by Ultrashort Laser Pulses with Rotated Linear Polarization
Sign Up to like & getrecommendations! Published in 2021 at "JETP Letters"
DOI: 10.1134/s0021364021150054
Abstract: The dependence of the threshold fluence for surface ablation of such crystalline materials as silicon and diamond (with orientations (001) and (111)) on the direction of linear polarization of ultrashort pulses of different duration (0.3–3.3… read more here.
Keywords: ultrashort laser; linear polarization; polarization; laser pulses ... See more keywords