Open Access
Optics Express, volume 27, issue 22, pages 32855-32862
Double-pump technique – one step closer towards efficient liquid-based THz sources
3
The Institute of Optics, University of Rochester, Rochester, NY 14627, USA
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Publication type: Journal Article
Publication date: 2019-10-25
Atomic and Molecular Physics, and Optics
Abstract
By irradiating a water jet with double pulses, we demonstrate 4-fold higher THz wave generation than for a single pump pulse. The dependence of the enhanced THz signal on the temporal delay between two collinear pulses reveals the optimal time for launching signal pulse is near 2-4 ps, which corresponds to the time needed to create the complete pre-ionization state when sufficient electron density is already induced, and there is no plasma reflection of the pump pulse radiation. The increase in THz waves generation efficiency corresponds to the case of water jet excitation by the pulses with an optimal duration for a certain jet thickness, which is determined by the spatial pulse size. Using a theoretical model of the interaction of a high-intensity sub-picosecond pulse with an isotropic medium, we held a numerical simulation, which well describes the experimental results when using 3 ps value of population relaxation time. Thus, in this work, double pump method allows not only to increase the energy of the generated THz waves, but also to determine the characteristic excited state lifetime of liquid water. The optical-to-terahertz conversion efficiency in case of double pulse excitation of water column is of the order of 0.5⋅10 -3, which exceeds the typical values for THz waves generation during two-color filamentation in air and comparable with the achievable values due to the optical rectification in some crystals.
Citations by journals
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3
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Applied Physics Letters
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3 publications, 18.75%
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Frontiers of Optoelectronics
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1 publication, 6.25%
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1 publication, 6.25%
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1 publication, 6.25%
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AIP Advances
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1 publication, 6.25%
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Light Advanced Manufacturing, 1, 6.25%
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1 publication, 6.25%
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Chemistry Letters
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1 publication, 6.25%
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1 publication, 6.25%
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Photonics
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1 publication, 6.25%
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SciPost Physics Core, 1, 6.25%
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1 publication, 6.25%
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Micromachines
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Micromachines
1 publication, 6.25%
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3
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Citations by publishers
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4
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American Institute of Physics (AIP)
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American Institute of Physics (AIP)
4 publications, 25%
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Springer Nature
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Springer Nature
3 publications, 18.75%
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Multidisciplinary Digital Publishing Institute (MDPI)
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Multidisciplinary Digital Publishing Institute (MDPI)
3 publications, 18.75%
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SPIE
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SPIE
1 publication, 6.25%
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American Association for the Advancement of Science (AAAS)
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American Association for the Advancement of Science (AAAS)
1 publication, 6.25%
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Optical Society of America
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Optical Society of America
1 publication, 6.25%
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Changchun Institute of Optics, Fine Mechanics and Physics, Chinese Academy of Sciences
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Changchun Institute of Optics, Fine Mechanics and Physics, Chinese Academy of Sciences, 1, 6.25%
Changchun Institute of Optics, Fine Mechanics and Physics, Chinese Academy of Sciences
1 publication, 6.25%
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The Chemical Society of Japan
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The Chemical Society of Japan
1 publication, 6.25%
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Stichting SciPost
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Stichting SciPost, 1, 6.25%
Stichting SciPost
1 publication, 6.25%
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- We do not take into account publications that without a DOI.
- Statistics recalculated only for publications connected to researchers, organizations and labs registered on the platform.
- Statistics recalculated weekly.
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Ponomareva E. A. et al. Double-pump technique – one step closer towards efficient liquid-based THz sources // Optics Express. 2019. Vol. 27. No. 22. pp. 32855-32862.
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Ponomareva E. A., Tcypkin A. N., Smirnov S. V., Putilin S. E., E Y., Kozlov S. A., Zhang X. Double-pump technique – one step closer towards efficient liquid-based THz sources // Optics Express. 2019. Vol. 27. No. 22. pp. 32855-32862.
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TY - JOUR
DO - 10.1364/OE.27.032855
UR - https://doi.org/10.1364%2FOE.27.032855
TI - Double-pump technique – one step closer towards efficient liquid-based THz sources
T2 - Optics Express
AU - Ponomareva, Evgenia A.
AU - Putilin, Sergey E.
AU - E, Yiwen
AU - Kozlov, Sergei A
AU - Zhang, Xi-Cheng
AU - Tcypkin, Anton N.
AU - Smirnov, Semen V
PY - 2019
DA - 2019/10/25 00:00:00
PB - Optical Society of America
SP - 32855-32862
IS - 22
VL - 27
SN - 1094-4087
ER -
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@article{2019_Ponomareva,
author = {Evgenia A. Ponomareva and Sergey E. Putilin and Yiwen E and Sergei A Kozlov and Xi-Cheng Zhang and Anton N. Tcypkin and Semen V Smirnov},
title = {Double-pump technique – one step closer towards efficient liquid-based THz sources},
journal = {Optics Express},
year = {2019},
volume = {27},
publisher = {Optical Society of America},
month = {oct},
url = {https://doi.org/10.1364%2FOE.27.032855},
number = {22},
pages = {32855--32862},
doi = {10.1364/OE.27.032855}
}
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Ponomareva, Evgenia A., et al. “Double-pump technique – one step closer towards efficient liquid-based THz sources.” Optics Express, vol. 27, no. 22, Oct. 2019, pp. 32855-32862. https://doi.org/10.1364%2FOE.27.032855.