Pleiades Publishing
Bulletin of the Russian Academy of Sciences: Physics
,  volume 86 ,  issue 6 ,  pages 760-764

Self-Focusing of Pulsed Terahertz Radiation with a Spectrum in the Region of Anomalous Group-Velocity Dispersion of a Dielectric Medium

Publication type: Journal Article
Publication date: 2022-06-01
Pleiades Publishing
scimago Q3
SJR: 0.253
CiteScore: 1.1
Impact factor: —
ISSN: 10628738, 19349432
General Physics and Astronomy
Abstract
It is shown that the self-focusing of pulsed terahertz radiation with a spectrum in a region of anomalous group-velocity dispersion of a dielectric medium can be suppressed by such dispersion, in which pulse self-compression is characteristic of positive nonlinearity. The lower the ratio of a wave packet’s length of dispersion to that of diffraction in the medium, the more the self-focusing of a wave with the considered spectrum requires an excess of power over the critical value of self-focusing. Temporal compression of the wave starts before its spatial self-focusing at a length of diffraction shorter than that of dispersion, and vice versa for a longer one.
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Drozdov A., Kozlov S. A. Self-Focusing of Pulsed Terahertz Radiation with a Spectrum in the Region of Anomalous Group-Velocity Dispersion of a Dielectric Medium // Bulletin of the Russian Academy of Sciences: Physics. 2022. Vol. 86. No. 6. pp. 760-764.
GOST all authors (up to 50) Copy
Drozdov A., Kozlov S. A. Self-Focusing of Pulsed Terahertz Radiation with a Spectrum in the Region of Anomalous Group-Velocity Dispersion of a Dielectric Medium // Bulletin of the Russian Academy of Sciences: Physics. 2022. Vol. 86. No. 6. pp. 760-764.
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RIS Copy
TY - JOUR
DO - 10.3103/S1062873822060090
UR - https://doi.org/10.3103/S1062873822060090
TI - Self-Focusing of Pulsed Terahertz Radiation with a Spectrum in the Region of Anomalous Group-Velocity Dispersion of a Dielectric Medium
T2 - Bulletin of the Russian Academy of Sciences: Physics
AU - Drozdov, A.A.
AU - Kozlov, S. A.
PY - 2022
DA - 2022/06/01
PB - Pleiades Publishing
SP - 760-764
IS - 6
VL - 86
SN - 1062-8738
SN - 1934-9432
ER -
BibTex |
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BibTex (up to 50 authors) Copy
@article{2022_Drozdov,
author = {A.A. Drozdov and S. A. Kozlov},
title = {Self-Focusing of Pulsed Terahertz Radiation with a Spectrum in the Region of Anomalous Group-Velocity Dispersion of a Dielectric Medium},
journal = {Bulletin of the Russian Academy of Sciences: Physics},
year = {2022},
volume = {86},
publisher = {Pleiades Publishing},
month = {jun},
url = {https://doi.org/10.3103/S1062873822060090},
number = {6},
pages = {760--764},
doi = {10.3103/S1062873822060090}
}
MLA
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MLA Copy
Drozdov, A.A., and S. A. Kozlov. “Self-Focusing of Pulsed Terahertz Radiation with a Spectrum in the Region of Anomalous Group-Velocity Dispersion of a Dielectric Medium.” Bulletin of the Russian Academy of Sciences: Physics, vol. 86, no. 6, Jun. 2022, pp. 760-764. https://doi.org/10.3103/S1062873822060090.