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Flat liquid jet as a highly efficient source of terahertz radiation

Tcypkin A.N., Ponomareva E.A., Putilin S.E., Smirnov S.V., Shtumpf S.A., Melnik M.V., E Y., Kozlov S.A., Zhang X.
Тип документаJournal Article
Дата публикации2019-05-15
Название журналаOptics Express
ИздательOptical Society of America
  • Atomic and Molecular Physics, and Optics
Краткое описание
Polar liquids are strong absorbers of electromagnetic waves in the terahertz range, therefore, historically such liquids have not been considered as good candidates for terahertz sources. However, flowing liquid medium has explicit advantages, such as a higher damage threshold compared to solid-state sources and more efficient ionization process compared to gases. Here we report systematic study of efficient generation of terahertz radiation in flat liquid jets under sub-picosecond single-color optical excitation. We demonstrate how medium parameters such as molecular density, ionization energy and linear absorption contribute to the terahertz emission from the flat liquid jets. Our simulation and experimental measurements reveal that the terahertz energy has quasi-quadratic dependence on the optical excitation pulse energy. Moreover, the optimal pump pulse duration, which depends on the thickness of the jet is theoretically predicted and experimentally confirmed. The obtained optical-to-terahertz energy conversion efficiency is more than 0.05%. It is comparable to the commonly used optical rectification in most of electro-optical crystals and two-color air filamentation. These results, significantly advancing prior research, can be successfully applied to create a new alternative source of terahertz radiation.
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1. Tcypkin A.N. и др. Flat liquid jet as a highly efficient source of terahertz radiation // Optics Express. 2019. Т. 27. № 11. С. 15485.


DO - 10.1364/oe.27.015485

UR -

TI - Flat liquid jet as a highly efficient source of terahertz radiation

T2 - Optics Express

AU - Tcypkin, Anton N.

AU - Ponomareva, Evgenia A.

AU - Putilin, Sergey E.

AU - Smirnov, Semen V.

AU - Shtumpf, Sviatoslav A.

AU - Melnik, Maksim V.

AU - E, Yiwen

AU - Kozlov, Sergei A.

AU - Zhang, Xi-Cheng

PY - 2019

DA - 2019/05/15

PB - The Optical Society

SP - 15485

IS - 11

VL - 27

SN - 1094-4087

ER -

BibTex |


doi = {10.1364/oe.27.015485},

url = {},

year = 2019,

month = {may},

publisher = {The Optical Society},

volume = {27},

number = {11},

pages = {15485},

author = {Anton N. Tcypkin and Evgenia A. Ponomareva and Sergey E. Putilin and Semen V. Smirnov and Sviatoslav A. Shtumpf and Maksim V. Melnik and Yiwen E and Sergei A. Kozlov and Xi-Cheng Zhang},

title = {Flat liquid jet as a highly efficient source of terahertz radiation},

journal = {Optics Express}


Tcypkin, Anton N. et al. “Flat Liquid Jet as a Highly Efficient Source of Terahertz Radiation.” Optics Express 27.11 (2019): 15485. Crossref. Web.