Search Results - "Shipilo, D."
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1
Ultrabroad Terahertz Spectrum Generation from an Air-Based Filament Plasma
Published in Physical review letters (11-02-2016)“…We have solved the long-standing problem of the mechanism of terahertz (THz) generation by a two-color filament in air and found that both neutrals and plasma…”
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2
Remote triggering of air-gap discharge by a femtosecond laser filament and postfilament at distances up to 80 m
Published in Applied physics letters (26-07-2021)“…We experimentally observed laser-induced remote high-voltage discharge triggering between two needle electrodes with half-a-cm spacing. The discharge was…”
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3
Transverse structure and energy deposition by a subTW femtosecond laser in air: from single filament to superfilament
Published in New journal of physics (28-03-2019)“…We traced experimentally transition from a single air filament to the superfilament under action of powerful loosely focused (NA ∼ 0.0021) femtosecond beam…”
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4
Terahertz beam with radial or orthogonal to laser polarization from a single-color femtosecond filament
Published in Optics express (04-12-2023)“…At the selected frequencies from 0.3 to 10 THz we measured the two-dimensional (2D) distributions of fluence and polarization of terahertz (THz) emission from…”
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5
Optimum chirp for efficient terahertz generation from two-color femtosecond pulses in air
Published in Applied physics letters (10-12-2018)“…We compare detailed spatio-temporal propagation simulations with experiments on generation of terahertz (THz) pulses in single filaments with two-color optical…”
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6
Nonlinear Response of Diluted Gases to an Ultraviolet Femtosecond Pulse
Published in JETP letters (01-03-2023)“…Quantum-mechanical simulations of the nonlinear response of a one-dimensional quantum system with the energy structure close to that of the xenon atom to an…”
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7
Balance of emission from THz sources in DC-biased and unbiased filaments in air
Published in Optics express (06-12-2021)“…At the frequencies from 0.1 to 1 THz, we measured the angular distributions of terahertz (THz) emission from DC-biased femtosecond filament. The external…”
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8
Ring and unimodal angular-frequency distribution of THz emission from two-color femtosecond plasma spark
Published in Optics express (09-07-2018)“…We study angular and frequency-angular distributions of the terahertz (THz) emission of the low-frequency region (0.3-3 THz) from a two-color femtosecond…”
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9
Breaking of the Axial Symmetry of Terahertz Radiation from Single-Color Filament Plasma
Published in JETP letters (01-06-2022)“…Two-dimensional distribution patterns of terahertz radiation generated in a laser single-color filament plasma are measured at several frequencies. In the…”
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10
Propagation equation for tight-focusing by a parabolic mirror
Published in Optics express (30-11-2015)“…Part of the chain in petawatt laser systems may involve extreme focusing conditions for which nonparaxial and vectorial effects have high impact on the…”
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11
Fifteen meter long uninterrupted filaments from sub-terawatt ultraviolet pulse in air
Published in Optics express (16-10-2017)“…A technique is presented to create uninterrupted long ultraviolet filaments in air using appropriately structured transmission mesh. The mesh with different…”
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12
Nonlinear Enhancement of Resonance Absorption at the Filamentation of a Mid-Infrared Pulse in High-Pressure Gases
Published in JETP letters (2020)“…It has been found experimentally that the filamentation of a femtosecond pulse with a central wavelength of 1.3 µm in a mixture of nitrogen at a pressure of 30…”
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13
Tracing Air-Breakdown Plasma Characteristics from Single-Color Filament Terahertz Spectra
Published in Journal of infrared, millimeter and terahertz waves (01-09-2020)“…In this paper, we measure broadband terahertz spectra from a single 744-nm filament produced in tight, medium, and loose geometrical focusing conditions…”
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14
Erratum to: Several Articles in JETP Letters
Published in JETP letters (2022)“…An Erratum to this paper has been published: https://doi.org/10.1134/S0021364022380027…”
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15
Backward Terahertz Radiation from a Two-Color Femtosecond Laser Filament
Published in JETP letters (01-12-2017)“…We report the first experimental observation of backward terahertz emission from the two-color laser induced plasma filament in air. The ratio of measured…”
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16
Terahertz generation from single and multiple filaments in air
Published in EPJ Web of Conferences (01-01-2018)Get full text
Journal Article Conference Proceeding -
17
The Focal Length Effect on Energy Absorption and Terahertz Generation upon Focusing Two-Color Radiation in Air
Published in Moscow University physics bulletin (01-03-2019)“…Generation of terahertz radiation upon filamentation in air of two-color radiation in loose focusing conditions with focal lengths from 30 to 312 cm and a beam…”
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18
Dispersion Management of Mid-Infrared Filamentation in Dense Gases
Published in 2021 Conference on Lasers and Electro-Optics Europe & European Quantum Electronics Conference (CLEO/Europe-EQEC) (21-06-2021)“…Solids and liquids have broadband regions of normal and anomalous dispersion in their transparency windows. In the experiment [1] X-shaped angle-wavelength…”
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Conference Proceeding -
19
All-optical attoclock for imaging tunnelling wavepackets
Published 20-09-2023“…Recent experiments on measuring time-delays during tunnelling of cold atoms through an optically created potential barrier are reinvigorating the controversial…”
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20
3D terahertz beam profiling from two color laser induced plasma with different focusing
Published in EPJ Web of Conferences (01-01-2017)Get full text
Journal Article Conference Proceeding