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On the spatio-temporal dynamics of a self-pulsed nanosecond transient spark discharge: a spectroscopic and electrical analysis.

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Title: On the spatio-temporal dynamics of a self-pulsed nanosecond transient spark discharge: a spectroscopic and electrical analysis.
Authors: Gerling, T1 gerling@inp-greifswald.de, Hoder, T1 hoder@inp-greifswald.de, Bussiahn, R1, Brandenburg, R1, Weltmann, K-D1
Source: Plasma Sources Science & Technology. Dec2013, Vol. 22 Issue 6, p065012-065022. 11p.
Subjects: Argon, Plasma gases, Spectrometry, Pulse frequency modulation, Electric discharges, Electric potential
Abstract: A self-pulsing discharge in flowing argon is investigated by means of electrical, optical and spectroscopic methods. The dependence of the discharge self-pulsing frequency on external parameters (applied negative dc voltage, gap dimensions) is determined, and optical and spectroscopic methods are used to investigate the discharge development with high spatial and temporal resolution. High-resolution spectroscopic measurements at several wavelengths reveal the complex dynamics of the transient spark discharge: a pre-phase at the needle tip and capillary edge, propagation of positive and negative streamers, creation of a transient glow discharge structure and a long-lasting afterglow. Excited plasma species necessary for the treatment of an exposed sample continue to be present even 80 µs after the breakdown of the active plasma. [ABSTRACT FROM AUTHOR]
Copyright of Plasma Sources Science & Technology is the property of IOP Publishing and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
Database: Engineering Source
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DbLabel: Engineering Source
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PubTypeId: academicJournal
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  Data: On the spatio-temporal dynamics of a self-pulsed nanosecond transient spark discharge: a spectroscopic and electrical analysis.
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  Data: <searchLink fieldCode="AR" term="%22Gerling%2C+T%22">Gerling, T</searchLink><relatesTo>1</relatesTo><i> gerling@inp-greifswald.de</i><br /><searchLink fieldCode="AR" term="%22Hoder%2C+T%22">Hoder, T</searchLink><relatesTo>1</relatesTo><i> hoder@inp-greifswald.de</i><br /><searchLink fieldCode="AR" term="%22Bussiahn%2C+R%22">Bussiahn, R</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Brandenburg%2C+R%22">Brandenburg, R</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Weltmann%2C+K-D%22">Weltmann, K-D</searchLink><relatesTo>1</relatesTo>
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  Data: <searchLink fieldCode="JN" term="%22Plasma+Sources+Science+%26+Technology%22">Plasma Sources Science & Technology</searchLink>. Dec2013, Vol. 22 Issue 6, p065012-065022. 11p.
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  Data: <searchLink fieldCode="DE" term="%22Argon%22">Argon</searchLink><br /><searchLink fieldCode="DE" term="%22Plasma+gases%22">Plasma gases</searchLink><br /><searchLink fieldCode="DE" term="%22Spectrometry%22">Spectrometry</searchLink><br /><searchLink fieldCode="DE" term="%22Pulse+frequency+modulation%22">Pulse frequency modulation</searchLink><br /><searchLink fieldCode="DE" term="%22Electric+discharges%22">Electric discharges</searchLink><br /><searchLink fieldCode="DE" term="%22Electric+potential%22">Electric potential</searchLink>
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  Data: A self-pulsing discharge in flowing argon is investigated by means of electrical, optical and spectroscopic methods. The dependence of the discharge self-pulsing frequency on external parameters (applied negative dc voltage, gap dimensions) is determined, and optical and spectroscopic methods are used to investigate the discharge development with high spatial and temporal resolution. High-resolution spectroscopic measurements at several wavelengths reveal the complex dynamics of the transient spark discharge: a pre-phase at the needle tip and capillary edge, propagation of positive and negative streamers, creation of a transient glow discharge structure and a long-lasting afterglow. Excited plasma species necessary for the treatment of an exposed sample continue to be present even 80 µs after the breakdown of the active plasma. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
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  Data: <i>Copyright of Plasma Sources Science & Technology is the property of IOP Publishing and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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        Value: 10.1088/0963-0252/22/6/065012
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      – Code: eng
        Text: English
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      – SubjectFull: Spectrometry
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      – SubjectFull: Pulse frequency modulation
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      – SubjectFull: Electric potential
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              Text: Dec2013
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