Standard

Registration of gas impurities in nonlocal plasma of helium microdischarge by an additional electrode – sensor. / Kudryavtsev, A.; Pramatarov, P.; Stefanova, M.; Khromov, N.

In: Journal of Instrumentation, Vol. 7, No. 7, 2012, p. P07002_1-14.

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

Harvard

Kudryavtsev, A, Pramatarov, P, Stefanova, M & Khromov, N 2012, 'Registration of gas impurities in nonlocal plasma of helium microdischarge by an additional electrode – sensor', Journal of Instrumentation, vol. 7, no. 7, pp. P07002_1-14. https://doi.org/doi:10.1088/1748-0221/7/07/P07002

APA

Kudryavtsev, A., Pramatarov, P., Stefanova, M., & Khromov, N. (2012). Registration of gas impurities in nonlocal plasma of helium microdischarge by an additional electrode – sensor. Journal of Instrumentation, 7(7), P07002_1-14. https://doi.org/doi:10.1088/1748-0221/7/07/P07002

Vancouver

Kudryavtsev A, Pramatarov P, Stefanova M, Khromov N. Registration of gas impurities in nonlocal plasma of helium microdischarge by an additional electrode – sensor. Journal of Instrumentation. 2012;7(7):P07002_1-14. https://doi.org/doi:10.1088/1748-0221/7/07/P07002

Author

Kudryavtsev, A. ; Pramatarov, P. ; Stefanova, M. ; Khromov, N. / Registration of gas impurities in nonlocal plasma of helium microdischarge by an additional electrode – sensor. In: Journal of Instrumentation. 2012 ; Vol. 7, No. 7. pp. P07002_1-14.

BibTeX

@article{ed7f2fbf437c436fafdc56bc5e37f238,
title = "Registration of gas impurities in nonlocal plasma of helium microdischarge by an additional electrode – sensor",
abstract = "Identification of gas impurities in helium by selective registration of groups of fast electrons created in Penning ionization of impurities atoms or molecules by metastable helium atoms at pressures of 7–40 Torr is realized. The collisional electron spectroscopy (CES) method is applied and is experimentally verified. Identification of impurities atoms and molecules is accomplished in collisional regime of movement of the particles, where the different groups of electrons have no time to relax in energy by collisions in the volume and behave independently of each other. An original design of microplasma gas analyzer is proposed, containing only nonlocal negative glow plasma of a short dc microdischarge. Registration of the energy spectra of penning electrons by means of an additional electrode-sensor, located at the boundary of the discharge volume is performed. The sensor has large collecting area compared to classical Langmuir probes, contributing to significant enhancement in the measurements sensitivity.",
keywords = "Plasma diagnostics - probes Plasma diagnostics - charged-particle spectroscopy Ionization and excitation processes Gaseous detectors",
author = "A. Kudryavtsev and P. Pramatarov and M. Stefanova and N. Khromov",
year = "2012",
doi = "doi:10.1088/1748-0221/7/07/P07002",
language = "English",
volume = "7",
pages = "P07002_1--14",
journal = "Journal of Instrumentation",
issn = "1748-0221",
publisher = "IOP Publishing Ltd.",
number = "7",

}

RIS

TY - JOUR

T1 - Registration of gas impurities in nonlocal plasma of helium microdischarge by an additional electrode – sensor

AU - Kudryavtsev, A.

AU - Pramatarov, P.

AU - Stefanova, M.

AU - Khromov, N.

PY - 2012

Y1 - 2012

N2 - Identification of gas impurities in helium by selective registration of groups of fast electrons created in Penning ionization of impurities atoms or molecules by metastable helium atoms at pressures of 7–40 Torr is realized. The collisional electron spectroscopy (CES) method is applied and is experimentally verified. Identification of impurities atoms and molecules is accomplished in collisional regime of movement of the particles, where the different groups of electrons have no time to relax in energy by collisions in the volume and behave independently of each other. An original design of microplasma gas analyzer is proposed, containing only nonlocal negative glow plasma of a short dc microdischarge. Registration of the energy spectra of penning electrons by means of an additional electrode-sensor, located at the boundary of the discharge volume is performed. The sensor has large collecting area compared to classical Langmuir probes, contributing to significant enhancement in the measurements sensitivity.

AB - Identification of gas impurities in helium by selective registration of groups of fast electrons created in Penning ionization of impurities atoms or molecules by metastable helium atoms at pressures of 7–40 Torr is realized. The collisional electron spectroscopy (CES) method is applied and is experimentally verified. Identification of impurities atoms and molecules is accomplished in collisional regime of movement of the particles, where the different groups of electrons have no time to relax in energy by collisions in the volume and behave independently of each other. An original design of microplasma gas analyzer is proposed, containing only nonlocal negative glow plasma of a short dc microdischarge. Registration of the energy spectra of penning electrons by means of an additional electrode-sensor, located at the boundary of the discharge volume is performed. The sensor has large collecting area compared to classical Langmuir probes, contributing to significant enhancement in the measurements sensitivity.

KW - Plasma diagnostics - probes Plasma diagnostics - charged-particle spectroscopy Ionization and excitation processes Gaseous detectors

U2 - doi:10.1088/1748-0221/7/07/P07002

DO - doi:10.1088/1748-0221/7/07/P07002

M3 - Article

VL - 7

SP - P07002_1-14

JO - Journal of Instrumentation

JF - Journal of Instrumentation

SN - 1748-0221

IS - 7

ER -

ID: 5362528