Dr. Sergey G. Przhibelskii Profile

Dr. Sergey G. Przhibelskii

at SI Vavilov State Optical Institute

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Author

Publications (11)

Proceedings Article | 15 March 2013 Paper

Atom-wall interactions and their role in the spectroscopy of spatially constrained atomic vapors

T. Vartanyan, V. Khromov, S. Przhibelskii, A. Pazgalev

Proceedings Volume 8770, 87700I (2013) https://doi.org/10.1117/12.2015452

KEYWORDS: Chemical species, Reflection, Spectroscopy, Doppler effect, Luminescence, Polarization, Rubidium, Reflectance spectroscopy, Solids, Sapphire

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SPIE Journal Paper | 10 October 2012

Dynamics of laser-induced damage of spherical nanoparticles by high-intensity ultrashort laser pulses

Vladimir Komolov, Vitaly Gruzdev, Sergey Przhibelskii, Dmitry Smirnov

OE, Vol. 51, Issue 12, 121816, (October 2012) https://doi.org/10.1117/12.10.1117/1.OE.51.12.121816

KEYWORDS: Nanoparticles, Ions, Laser induced damage, Ionization, Spherical lenses, Chemical species, Ultrafast phenomena, Particles, Pulsed laser operation, Atmospheric particles

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Proceedings Article | 26 January 2012 Paper

Granular metal films on the surfaces of transparent dielectric materials studied and modified via optical means

Tigran Vartanyan, Nikita Leonov, Valerii Khromov, Sergey Przhibelskii, Nikita Toropov, Elena Kaliteevskaya

Proceedings Volume 8414, 841404 (2012) https://doi.org/10.1117/12.923123

KEYWORDS: Metals, Nanoparticles, Silver, Annealing, Plasmons, Sapphire, Sodium, Dielectrics, Chemical species, Plasmonics

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Proceedings Article | 28 February 2011 Paper

Photo-ionization and modification of nanoparticles on transparent substrates by ultrashort laser pulses

Vitaly Gruzdev, Vladimir Komolov, Hao Li, Qingsong Yu, Sergey Przhibel'skii, Dmitry Smirnov

Proceedings Volume 7996, 79960J (2011) https://doi.org/10.1117/12.887181

KEYWORDS: Nanoparticles, Gold, Ions, Laser ablation, Particles, Femtosecond phenomena, Silica, Glasses, Atmospheric particles, Pulsed laser operation

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The objective of this combined experimental and theoretical research is to study the dynamics and mechanisms of nanoparticle interaction with ultrashort laser pulses and related modifications of substrate surface. For the experimental effort, metal (gold), dielectric (SiO2) and dielectric with metal coating (about 30 nm thick) spherical nanoparticles deposited on glass substrate are utilized. Size of the particles varies from 20 to 200 nm. Density of the particles varies from low (mean inter-particle distance 100 nm) to high (mean inter-particle distance less than 1 nm). The nanoparticle assemblies and the corresponding empty substrate surfaces are irradiated with single 130-fs laser pulses at wavelength 775 nm and different levels of laser fluence. Large diameter of laser spot (0.5-2 mm) provides gradient variations of laser intensity over the spot and allows observing different laser-nanoparticle interactions. The interactions vary from total removal of the nanoparticles in the center of laser spot to gentle modification of their size and shape and totally non-destructive interaction. The removed particles frequently form specific sub-micrometer-size pits on the substrate surface at their locations. The experimental effort is supported by simulations of the nanoparticle interactions with high-intensity ultrashort laser pulse. The simulation employs specific modification of the molecular dynamics approach applied to model the processes of non-thermal particle ablation following laser-induced electron emission. This technique delivers various characteristics of the ablation plume from a single nanoparticle including energy and speed distribution of emitted ions, variations of particle size and overall dynamics of its ablation. The considered geometry includes single isolated particle as well a single particle on a flat substrate that corresponds to the experimental conditions. The simulations confirm existence of the different regimes of laser-nanoparticle interactions depending on laser intensity and wavelength. In particular, implantation of ions departing from the nanoparticles towards the substrate is predicted.

Proceedings Article | 28 February 2011 Paper

Stochastic fields in a nanoscale vicinity of the ionic crystal surfaces at finite temperatures

S. Przhibel'skii

Proceedings Volume 7996, 79960M (2011) https://doi.org/10.1117/12.887432

KEYWORDS: Crystals, Ions, Radon, Phonons, Optical correlators, Stochastic processes, Chemical species, Nanostructures, Crystallography, Dielectrics

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Proceedings Article | 7 January 2009 Paper

Laser damage of transparent dielectrics ionized by intensive ultrashort pulses

V. Komolov, S. Przhibel'skii

Proceedings Volume 7132, 713207 (2009) https://doi.org/10.1117/12.804135

KEYWORDS: Ions, Solids, Nanoparticles, Ionization, Particles, Dielectrics, Ultrafast phenomena, Laser induced damage, Crystals, Scattering

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Proceedings Article | 10 July 2007 Paper

Laser spectroscopy of atoms approaching a surface of ionic crystalline material: evidence of pure dephasing due to stochastic near fields

V. Khromov, N. Leonov, S. Przhibel'skii, V. Smirnov, E. Vaschenko, T. Vartanyan

Proceedings Volume 6727, 67271I (2007) https://doi.org/10.1117/12.752372

KEYWORDS: Chemical species, Crystals, Sapphire, Luminescence, Cesium, Laser spectroscopy, Laser crystals, Stochastic processes, Near field, Ions

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Proceedings Article | 25 January 2007 Paper

Destruction of the nano-size solid particles under femtosecond laser pulse action

Vitaly Gruzdev, Vladimir Komolov, Sergey Przhibel'skii, Dmitry Smirnov

Proceedings Volume 6596, 65960P (2007) https://doi.org/10.1117/12.726412

KEYWORDS: Ions, Nanoparticles, Particles, Ionization, Solids, Electrons, Scattering, Femtosecond phenomena, Motion analysis, Laser induced damage

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Proceedings Article | 22 May 2006 Paper

Dynamics of spreading of a spherical particle ionized by intense ultra-short laser pulse

V. Gruzdev, V. Komolov, S. Przhibel'skii, D. Smirnov

Proceedings Volume 6256, 625603 (2006) https://doi.org/10.1117/12.679706

KEYWORDS: Ions, Particles, Ionization, Solids, Crystals, Pulsed laser operation, Optical spheres, Atmospheric particles, Spherical lenses, Numerical modeling

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Proceedings Article | 15 July 2004 Paper

Laser-induced effects in nonhomogeneous high-scattering media

Vladimir Komolov, Alexey Kulikov, Sergey Przhibel'skii, Valentin Smirnov

Proceedings Volume 5506, (2004) https://doi.org/10.1117/12.580014

KEYWORDS: Capillaries, Light scattering, Scattering, Transparency, Homogenization, Solids, Mass attenuation coefficient, Temperature metrology, Liquids, Glasses

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Proceedings Article | 4 April 1997 Paper

Laser-induced desorption of alkali atoms from one-dimensional chains of structural defects on the surface of sapphire

Alexey Bonch-Bruevich, Tigran Vartanyan, Yu. Maksimov, S. Przhibelskii, V. Khromov

Proceedings Volume 3093, (1997) https://doi.org/10.1117/12.271663

KEYWORDS: Chemical species, Adsorption, Sapphire, Cesium, Sodium, Quantum efficiency, Absorption, Systems modeling, Metals, Dielectrics

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Showing 5 of 11 publications

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