Optics Letters, volume 44, issue 22, pages 5485-5488

Impact of laser-ionized liquid nonlinear characteristics on the efficiency of terahertz wave generation

Publication typeJournal Article
Publication date2019-11-08
Journal: Optics Letters
Quartile SCImago
Q1
Quartile WOS
Q2
Impact factor3.6
ISSN01469592, 15394794
Atomic and Molecular Physics, and Optics
Abstract
The generation of terahertz (THz) radiation during the propagation of subpicosecond pulses in liquid media is investigated using a theoretical model considering the relative contribution of Kerr and plasma nonlinearity. The dependences of the THz emission generation efficiency on the contribution of plasma nonlinearity with a fixed third-order nonlinearity value revealed the existence of weak and strong ionization modes. It is shown that the transition between these modes is determined by the ratio of plasma to Kerr nonlinearity coefficients and the pump energy. In the strong ionization mode and with the fixed contribution of plasma nonlinearity, the optical-to-THz conversion efficiency decreases with increasing Kerr nonlinearity due to the redistribution of the pump energy for the third-order effects. These results contribute to estimating the potential of liquid media as highly efficient THz sources.

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Ponomareva E. A. et al. Impact of laser-ionized liquid nonlinear characteristics on the efficiency of terahertz wave generation // Optics Letters. 2019. Vol. 44. No. 22. pp. 5485-5488.
GOST all authors (up to 50) Copy
Ponomareva E. A., Stumpf S. A., Tcypkin A. N., Kozlov S. A. Impact of laser-ionized liquid nonlinear characteristics on the efficiency of terahertz wave generation // Optics Letters. 2019. Vol. 44. No. 22. pp. 5485-5488.
RIS |
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RIS Copy
TY - JOUR
DO - 10.1364/OL.44.005485
UR - https://doi.org/10.1364%2FOL.44.005485
TI - Impact of laser-ionized liquid nonlinear characteristics on the efficiency of terahertz wave generation
T2 - Optics Letters
AU - Ponomareva, Evgenia A.
AU - Stumpf, Sviatoslav A
AU - Kozlov, Sergei A
AU - Tcypkin, Anton N.
PY - 2019
DA - 2019/11/08 00:00:00
PB - Optical Society of America
SP - 5485-5488
IS - 22
VL - 44
SN - 0146-9592
SN - 1539-4794
ER -
BibTex |
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BibTex Copy
@article{2019_Ponomareva,
author = {Evgenia A. Ponomareva and Sviatoslav A Stumpf and Sergei A Kozlov and Anton N. Tcypkin},
title = {Impact of laser-ionized liquid nonlinear characteristics on the efficiency of terahertz wave generation},
journal = {Optics Letters},
year = {2019},
volume = {44},
publisher = {Optical Society of America},
month = {nov},
url = {https://doi.org/10.1364%2FOL.44.005485},
number = {22},
pages = {5485--5488},
doi = {10.1364/OL.44.005485}
}
MLA
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MLA Copy
Ponomareva, Evgenia A., et al. “Impact of laser-ionized liquid nonlinear characteristics on the efficiency of terahertz wave generation.” Optics Letters, vol. 44, no. 22, Nov. 2019, pp. 5485-5488. https://doi.org/10.1364%2FOL.44.005485.
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