Phase resolved imaging of a repetitive extrusion of hydrogen plasma from a hollow cathode source

Sam Dixon, James Dedrick, Christine Charles, D O'Connell, T Gans, Roderick Boswell

    Research output: Contribution to journalArticlepeer-review

    Abstract

    Hydrogen plasmas are useful in many areas of materials processing. In this paper, a hydrogen plasma is produced in a hollow cathode source and its expansion into a chamber over the course of an RF cycle (80 ns) is observed with an intensified CCD camera. The source is observed to launch plasma down into the expansion region once per RF cycle. The shape of the extrusion suggests a surface wave carries charge down the inside of the glass tube, before the plasma collapses back to the center of the tube downstream from the source. At the end of the RF cycle, the plasma in the tube is seen to completely detach from the source plasma.
    Original languageEnglish
    Pages (from-to)2834-2835
    JournalIEEE Transactions on Plasma Science
    Volume42
    Issue number10
    DOIs
    Publication statusPublished - 2014

    Fingerprint

    Dive into the research topics of 'Phase resolved imaging of a repetitive extrusion of hydrogen plasma from a hollow cathode source'. Together they form a unique fingerprint.

    Cite this