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DS
D. Shipilo
Author with expertise in Consequences of Nuclear War and Global Security
Achievements
Cited Author
Key Stats
Upvotes received:
0
Publications:
3
(0% Open Access)
Cited by:
230
h-index:
15
/
i10-index:
24
Reputation
Biology
< 1%
Chemistry
< 1%
Economics
< 1%
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Overview
Publications
3
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Publications
0
Ultrabroad Terahertz Spectrum Generation from an Air-Based Filament Plasma
V.A. Andreeva
et al.
Feb 11, 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 contribute to the radiation. We reveal that the contribution from neutrals by four-wave mixing is much weaker and higher in frequency than the distinctive plasma lower-frequency contribution. The former is in the forward direction while the latter is in a cone and reveals an abrupt down-shift to the plasma frequency. Ring-shaped spatial distributions of the THz radiation are shown to be of universal nature and they occur in both collimated and focusing propagation geometries. Experimental measurements of the frequency-angular spectrum generated by 130-fs laser pulses agree with numerical simulations based on a unidirectional pulse propagation model.
Spectroscopy
Radiation
0
Paper
Spectroscopy
230
0
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POISK SVYaZANNYKh SOSTOYaNIY ODNOMERNOY KVANTOVOY SISTEMY STEPENNYM METODOM: PRAKTIChESKAYa REALIZATsIYa
N. Vrublevskaya
et al.
Nov 6, 2024
Philosophy
Political Science And International Relations
0
Paper
Philosophy
Political Science And International Relations
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0
Quadrature-modulated signal parameters for fiber-optic lines with semiconductor amplifiers
P.Ya. Ilyushin
et al.
Jul 1, 2024
Food Science
Electrical And Electronic Engineering
0
Paper
Food Science
Electrical And Electronic Engineering
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