Search Results - "Seleznev, Leonid V."
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1
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 -
2
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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3
Manipulation of femtosecond laser filamentation by wire mesh amplitude mask
Published in Optics communications (15-09-2023)“…The results of numerical simulation on the propagation of high-power femtosecond laser pulses in air under conditions of the amplitude modulation are…”
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4
Focused beam self-cleaning during laser filamentation
Published in Optical and quantum electronics (01-07-2023)“…The beam self-cleaning phenomenon is theoretically predicted by the two-dimensional nonlinear Schrödinger equation, which describes self-focusing, and is…”
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5
Femtosecond laser color marking of metal and semiconductor surfaces
Published in Applied physics. A, Materials science & processing (01-05-2012)“…Color marking of rough or smooth metal (Al, Cu, Ti) and semiconductor (Si) surfaces was realized via femtosecond laser fabrication of periodic surface…”
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6
Carbon monoxide laser emitting nanosecond pulses with 10 MHz repetition rate
Published in Optics communications (15-01-2009)“…Actively mode-locked electron-beam-sustained-discharge CO laser producing a train of ∼5–15 ns (FWHM) spikes following with repetition rate 10 MHz for both…”
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7
Slab Overtone CO Laser Operating in the 2.5-4.0 Micron Spectral Range
Published in IEEE journal of quantum electronics (01-03-2009)“…A compact sealed-off repetitively pulsed radio frequency discharge slab overtone CO laser was studied and developed. Maximum average output power was 0.3 W at…”
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8
Carbon monoxide laser emitting nanosecond pulses with 10MHz repetition rate
Published in Optics communications (01-01-2009)Get full text
Journal Article -
9
Femtosecond laser color marking of metal and semiconductor surfaces
Published in Applied physics. A, Materials science & processing (2012)Get full text
Journal Article -
10
Slab Overtone CO Laser Operating in the 2.5-4.0 Micron Spectral Range
Published in IEEE journal of quantum electronics (2009)Get full text
Journal Article -
11
Carbon monoxide laser emitting nanosecond pulses with 10 MHz repetition rate
Published in Optics communications (2009)Get full text
Journal Article -
12
Similar angular THz radiation pattern emitted by filament plasma channel with different length
Published 21-04-2020“…Influence of plasma channel length on angular THz radiation pattern is studied experimentally. It is shown that the angular distribution of THz radiation…”
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Journal Article -
13
Q-switched cryogenically cooled slab RF discharge CO laser
Published in 2016 41st International Conference on Infrared, Millimeter, and Terahertz waves (IRMMW-THz) (01-09-2016)“…Compact repetitively pulsed cryogenically cooled slab RF discharge CO laser with double path V-type laser resonator equipped with external Q-switch system…”
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Conference Proceeding -
14
Difference frequencies of CO and CO2 lasers when tuning phase-matching angle in AgGaSe2 crystal
Published in 2016 41st International Conference on Infrared, Millimeter, and Terahertz waves (IRMMW-THz) (01-09-2016)“…A laser system emitting within the IR wavelength range from 12 to 16.6 micron is discussed. The hybrid laser system consists of molecular gas lasers with a…”
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Conference Proceeding -
15
Effect of nonlinearity in the pass-through optics on femtosecond laser filament in air
Published 16-09-2014“…An influence of pass-through optics on femtosecond laser pulse filamentation in ambient air is analyzed for the first time both experimentally and numerically…”
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Journal Article