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Detection of Nuclear Spin Isomers of Water Molecules by Terahertz Time-Domain Spectroscopy. / Mamrashev, Alexander A.; Maximov, Lev V.; Nikolaev, Nazar A. et al.

In: IEEE Transactions on Terahertz Science and Technology, Vol. 8, No. 1, 8098617, 01.01.2018, p. 13-18.

Research output: Contribution to journal › Article › peer-review

Harvard

Mamrashev, AA, Maximov, LV, Nikolaev, NA & Chapovsky, PL 2018, 'Detection of Nuclear Spin Isomers of Water Molecules by Terahertz Time-Domain Spectroscopy', IEEE Transactions on Terahertz Science and Technology, vol. 8, no. 1, 8098617, pp. 13-18. https://doi.org/10.1109/TTHZ.2017.2764385

APA

Mamrashev, A. A., Maximov, L. V., Nikolaev, N. A., & Chapovsky, P. L. (2018). Detection of Nuclear Spin Isomers of Water Molecules by Terahertz Time-Domain Spectroscopy. IEEE Transactions on Terahertz Science and Technology, 8(1), 13-18. [8098617]. https://doi.org/10.1109/TTHZ.2017.2764385

Vancouver

Mamrashev AA, Maximov LV, Nikolaev NA, Chapovsky PL. Detection of Nuclear Spin Isomers of Water Molecules by Terahertz Time-Domain Spectroscopy. IEEE Transactions on Terahertz Science and Technology. 2018 Jan 1;8(1):13-18. 8098617. doi: 10.1109/TTHZ.2017.2764385

Author

Mamrashev, Alexander A. ; Maximov, Lev V. ; Nikolaev, Nazar A. et al. / Detection of Nuclear Spin Isomers of Water Molecules by Terahertz Time-Domain Spectroscopy. In: IEEE Transactions on Terahertz Science and Technology. 2018 ; Vol. 8, No. 1. pp. 13-18.

BibTeX

@article{24b4f18ac58a42b5b8fb5232ab5f1182,
title = "Detection of Nuclear Spin Isomers of Water Molecules by Terahertz Time-Domain Spectroscopy",
abstract = "Nuclear spin isomers of water molecules, i.e., ortho- and para-H${}_{2}$O, are quantum states of one of the most important molecules. Presently, our understanding of the water isomer properties, especially in the gas phase, remains insufficient. Scientific and practical applications of water spin isomers require the development of efficient methods of their detection in gaseous samples. In this paper, we apply the method of wideband terahertz time-domain spectroscopy to study rotational absorption spectra of ortho and para water isomers and measure their relative content in the ambient atmosphere. We find the ortho/para ratio to be 3.03 ± 0.03 close to the expected value of 3 when using the measurement spectral range 0.15–1.05 THz.",
keywords = "Absorption, Atmosphere, Atmospheric measurements, Nuclear spin isomers of molecules, ortho/para ratio, Rotation measurement, Spectroscopy, Terahertz radiation, terahertz spectroscopy, Time-domain analysis, water molecules, SPECTROMETER, CONVERSION, FIELD, OPTICAL-PROPERTIES, VAPOR CONTINUUM, SEPARATION",
author = "Mamrashev, {Alexander A.} and Maximov, {Lev V.} and Nikolaev, {Nazar A.} and Chapovsky, {Pavel L.}",
year = "2018",
month = jan,
day = "1",
doi = "10.1109/TTHZ.2017.2764385",
language = "English",
volume = "8",
pages = "13--18",
journal = "IEEE Transactions on Terahertz Science and Technology",
issn = "2156-342X",
publisher = "Institute of Electrical and Electronics Engineers Inc.",
number = "1",

}

RIS

TY - JOUR

T1 - Detection of Nuclear Spin Isomers of Water Molecules by Terahertz Time-Domain Spectroscopy

AU - Mamrashev, Alexander A.

AU - Maximov, Lev V.

AU - Nikolaev, Nazar A.

AU - Chapovsky, Pavel L.

PY - 2018/1/1

Y1 - 2018/1/1

N2 - Nuclear spin isomers of water molecules, i.e., ortho- and para-H${}_{2}$O, are quantum states of one of the most important molecules. Presently, our understanding of the water isomer properties, especially in the gas phase, remains insufficient. Scientific and practical applications of water spin isomers require the development of efficient methods of their detection in gaseous samples. In this paper, we apply the method of wideband terahertz time-domain spectroscopy to study rotational absorption spectra of ortho and para water isomers and measure their relative content in the ambient atmosphere. We find the ortho/para ratio to be 3.03 ± 0.03 close to the expected value of 3 when using the measurement spectral range 0.15–1.05 THz.

AB - Nuclear spin isomers of water molecules, i.e., ortho- and para-H${}_{2}$O, are quantum states of one of the most important molecules. Presently, our understanding of the water isomer properties, especially in the gas phase, remains insufficient. Scientific and practical applications of water spin isomers require the development of efficient methods of their detection in gaseous samples. In this paper, we apply the method of wideband terahertz time-domain spectroscopy to study rotational absorption spectra of ortho and para water isomers and measure their relative content in the ambient atmosphere. We find the ortho/para ratio to be 3.03 ± 0.03 close to the expected value of 3 when using the measurement spectral range 0.15–1.05 THz.

KW - Absorption

KW - Atmosphere

KW - Atmospheric measurements

KW - Nuclear spin isomers of molecules

KW - ortho/para ratio

KW - Rotation measurement

KW - Spectroscopy

KW - Terahertz radiation

KW - terahertz spectroscopy

KW - Time-domain analysis

KW - water molecules

KW - SPECTROMETER

KW - CONVERSION

KW - FIELD

KW - OPTICAL-PROPERTIES

KW - VAPOR CONTINUUM

KW - SEPARATION

UR - http://www.scopus.com/inward/record.url?scp=85033687687&partnerID=8YFLogxK

U2 - 10.1109/TTHZ.2017.2764385

DO - 10.1109/TTHZ.2017.2764385

M3 - Article

AN - SCOPUS:85033687687

VL - 8

SP - 13

EP - 18

JO - IEEE Transactions on Terahertz Science and Technology

JF - IEEE Transactions on Terahertz Science and Technology

SN - 2156-342X

IS - 1

M1 - 8098617

ER -

ID: 9056636