HNILICA, Jaroslav, Lucia POTOČŇÁKOVÁ and Vít KUDRLE. Time resolved optical emission spectroscopy in power modulated atmospheric pressure plasma jet. Open chemistry. Warsaw: De Gruyter Open, vol. 13, No 1, p. 577-585. ISSN 2391-5420. 2015.
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Original name Time resolved optical emission spectroscopy in power modulated atmospheric pressure plasma jet
Authors HNILICA, Jaroslav (203 Czech Republic, belonging to the institution), Lucia POTOČŇÁKOVÁ (703 Slovakia, belonging to the institution) and Vít KUDRLE (203 Czech Republic, guarantor, belonging to the institution).
Edition Open chemistry, Warsaw, De Gruyter Open, 2015, 2391-5420.
Other information
Original language English
Type of outcome Article in a journal
Field of Study Plasma physics and discharge through gases
Country of publisher Poland
Confidentiality degree is not subject to a state or trade secret
WWW URL
RIV identification code RIV/00216224:14310/15:00108637
Organization Přírodovědecká fakulta – Repository – Repository
UT WoS 000355403100069
Keywords in English plasma jet; amplitude modulation; rotational temperature; emission spectroscopy
Links ED2.1.00/03.0086, research and development project.
Changed by Changed by: RNDr. Daniel Jakubík, učo 139797. Changed: 1/9/2020 23:38.
Abstract
In this paper, the effects of the power modulation on atmospheric pressure plasma jet, operated in Ar+2%N2 mixture, are studied. Time resolved optical emission spectroscopy is used for the investigation. From line and band intensities, the excitation, vibration and rotation temperatures are calculated. Their evolution during the modulation period exhibits a strong dependence on modulation frequency. For higher modulation frequencies, there is significant discrepancy in rotational temperatures calculated from OH spectra and from N2+ spectra, which indicates that thermalisation time can reach milliseconds.
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