Search Results - "Panov, Nikolay A."
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THz generation from laser-induced breakdown in pressurized molecular gases: on the way to terahertz remote sensing of the atmospheres of Mars and Venus
Published in New journal of physics (01-01-2020)“…The present paper studies the generation of terahertz (THz) radiation in CO2 in comparison with atmospheric air at a wide range of pressures. We established…”
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Journal Article -
2
Nonlinear Propagation and Filamentation on 100 Meter Air Path of Femtosecond Beam Partitioned by Wire Mesh
Published in Sensors (Basel, Switzerland) (23-08-2022)“…High-intensity (∼1 TW/cm2 and higher) region formed in the propagation of ∼60 GW, 90 fs Ti:Sapphire laser pulse on a ∼100 m path in air spans for several tens…”
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Journal Article -
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Scaling Law of THz Yield from Two-Color Femtosecond Filament for Fixed Pump Power
Published in Photonics (01-12-2022)“…In 3D + time numerical simulations, we study the wavelength scaling law for the energy of terahertz (THz) radiation emitted from a two-color femtosecond…”
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Journal Article -
4
Low-Frequency Content of THz Emission from Two-Color Femtosecond Filament
Published in Photonics (01-01-2022)“…We experimentally investigate the low-frequency (below 1 THz) spectral content of broadband terahertz (THz) emission from two-color femtosecond filament formed…”
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Journal Article -
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Tracing Evolution of Angle-Wavelength Spectrum along the 40-m Postfilament in Corridor Air
Published in Photonics (01-10-2021)“…Postfilamentation channel resulting from filamentation of freely propagating 744-nm, 5-mJ, 110-fs pulse in the corridor air is examined experimentally and in…”
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Journal Article -
6
All-optical attoclock for imaging tunnelling wavepackets
Published in Nature physics (01-04-2022)“…Recent measurements of time delays during tunnelling of cold atoms through an optically created potential barrier have fuelled an ongoing debate about possible…”
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Journal Article -
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Femtosecond filament emergence between π-shifted beamlets in air
Published in Optics express (20-01-2020)“…By rotating the four-section π-shifted phase plate in the transverse plane relatively to the axes of the elliptical beam of 800-nm, 1.1-mJ, 35-fs pulse…”
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Journal Article -
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Robust near-infrared light bullet in 800-nm femtosecond light filaments in air
Published in Applied physics. B, Lasers and optics (01-09-2015)“…Systematic numerical study of near-infrared radiation formed during filamentation in air revealed the formation of robust light bullet first registered in the…”
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Journal Article -
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Analysis of Dual Frequency Interaction in the Filament with the Purpose of Efficiency Control of THz Pulse Generation
Published in Journal of infrared, millimeter and terahertz waves (01-10-2011)“…Cross-guiding of the 400 nm second harmonic of the Ti:Sapphire laser in the femtosecond filament produced by an 800 nm pump in argon leads to the efficient…”
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Journal Article -
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Spectrum and polarization of THz radiation from two-color femtosecond laser breakdown: Theory and experiment
Published in 2015 40th International Conference on Infrared, Millimeter, and Terahertz waves (IRMMW-THz) (01-08-2015)“…We present a comprehensive experimental and numerical study of spectral, spatial and polarization features of the widely used THz source - plasma of optical…”
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Conference Proceeding -
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Two-color Femtosecond Plasma Backward Terahertz Emission
Published in 2018 43rd International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz) (01-09-2018)“…We provide comparison between backward and forward THz emission from two-color femtosecond plasma in air. Plasma is created under tight focusing conditions…”
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Conference Proceeding