Informace o publikaci

OES Diagnostics of Pre-Breakdown Light Emission in Coplanar APGD in Helium

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NAVRÁTIL Zdeněk MORÁVEK Tomáš ČECH Jan RÁHEĽ Jozef

Rok publikování 2016
Druh Článek ve sborníku
Konference 28th Summer School and International Symposium on the Physics of Ionized Gases, Contributed Papers
Fakulta / Pracoviště MU

Přírodovědecká fakulta

Citace
www http://www.spig2016.ipb.ac.rs/spig2016-book-online.pdf
Obor Fyzika plazmatu a výboje v plynech
Klíčová slova OES; pre-breakdown; DBD; coplanar; helium
Popis Phase resolved photon counting was applied to record low-resolved optical spectra of pre-breakdown light emitted in coplanar barrier discharge in helium. Light emissions from species as OH*, N2+*, He* as well as thermoluminescence of Al2O3 ceramics were observed during the whole voltage period. Moreover, a light with continuum spectrum was observed shortly before the discharge breakdown. Assuming neutral bremsstrahlung as the origin of the continuum, electric field of 0.5-1 kV/cm was obtained in this discharge phase.
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