Physical Review E

, volume 104 , issue 2 , publication number 025202

Unipolar terahertz pulse formation in a nonequilibrium plasma channel formed by an ultrashort uv laser pulse.

A.V. Bogatskaya ^{1, 2}

E. A. Volkova ³

A.P. Popov ^{1, 2}

Hide authors affiliations Show authors affiliations: 3 affiliations

Department of Physics, Moscow State University, 119991 Moscow, Russia |

P. N. Lebedev Physical Institute, RAS, Moscow, Russia |

D. V. Skobeltsyn Institute of Nuclear Physics, Moscow State University, Moscow, Russia |

Publication type: Journal Article

Publication date: 2021-08-04

American Physical Society (APS)

Physical Review E

scimago Q2

wos Q1

SJR: 0.705

CiteScore: 4.2

Impact factor: 2.4

ISSN: 24700045, 24700053, 15393755, 15502376, 1063651X, 10953787

DOI: 10.1103/PhysRevE.104.025202

Copy DOI

PubMed ID: 34525603

Abstract

We perform an alternative approach to produce highly unipolar terahertz pulses. The idea is based on the nonuniform amplification of seed ultrashort carrier-envelope phase (CEP) pulses in nonequilibrium fast relaxing plasma of air or nitrogen. If the gain coefficient drops significantly within the duration of a one-cycle CEP pulse, it undergoes significant distortion where the leading edge of the pulse is amplified and the trailing tail of opposite polarity is absorbed. The obtained results involve a self-consistent solution of the second-order wave equation and kinetic Boltzmann equation for the electron velocity distribution function relaxation.

Found

1 citation

Tcypkin Anton

DSc in Physics and Mathematics, associate professor

131 publications, 1 251 citations

h-index: 20

ITMO University

1 citation

Zhukova Maria

🤝

PhD in Physics and Mathematics

52 publications, 295 citations

Terahertz spectroscopy

1 citation

Ismagilov Azat

51 publications, 292 citations

1 citation

Sychugin Sergey

PhD in Physics and Mathematics

10 publications, 42 citations

h-index: 4

Lobachevsky State University of Nizhny Novgorod

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GOST Copy

Bogatskaya A. et al. Unipolar terahertz pulse formation in a nonequilibrium plasma channel formed by an ultrashort uv laser pulse. // Physical Review E. 2021. Vol. 104. No. 2. 025202

GOST all authors (up to 50) Copy

Bogatskaya A., Volkova E. A., Popov A. Unipolar terahertz pulse formation in a nonequilibrium plasma channel formed by an ultrashort uv laser pulse. // Physical Review E. 2021. Vol. 104. No. 2. 025202

RIS |

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RIS Copy

TY - JOUR

DO - 10.1103/PhysRevE.104.025202

UR - https://doi.org/10.1103/PhysRevE.104.025202

TI - Unipolar terahertz pulse formation in a nonequilibrium plasma channel formed by an ultrashort uv laser pulse.

T2 - Physical Review E

AU - Bogatskaya, A.V.

AU - Volkova, E. A.

AU - Popov, A.P.

PY - 2021

DA - 2021/08/04

PB - American Physical Society (APS)

IS - 2

VL - 104

PMID - 34525603

SN - 2470-0045

SN - 2470-0053

SN - 1539-3755

SN - 1550-2376

SN - 1063-651X

SN - 1095-3787

ER -

BibTex

Cite this

BibTex (up to 50 authors) Copy

@article{2021_Bogatskaya,

author = {A.V. Bogatskaya and E. A. Volkova and A.P. Popov},

title = {Unipolar terahertz pulse formation in a nonequilibrium plasma channel formed by an ultrashort uv laser pulse.},

journal = {Physical Review E},

year = {2021},

volume = {104},

publisher = {American Physical Society (APS)},

month = {aug},

url = {https://doi.org/10.1103/PhysRevE.104.025202},

number = {2},

pages = {025202},

doi = {10.1103/PhysRevE.104.025202}

}

Publisher

American Physical Society (APS)

Journal

Physical Review E

scimago Q2

wos Q1

SJR

0.705

CiteScore

4.2

Impact factor

2.4

ISSN

24700045 (Print)

24700053 (Electronic)

15393755 (Print)

15502376 (Electronic)

1063651X (Print)

10953787 (Electronic)

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