High-impedance wire grid method to study spatiotemporal behavior of hot electron clump generated in a plasma

Kenichiro Terasaka, S. Yoshimura, Y. Kato, K. Furuta, M. Aramaki, T. Morisaki, M. Y. Tanaka

    Research output: Contribution to journalArticle

    2 Citations (Scopus)

    Abstract

    High-impedance Wire Grid (HIWG) detector has been developed to study spatiotemporal behavior of a hot electron clump generated in an electron cyclotron resonance (ECR) plasma. By measuring the floating potentials of the wire electrodes, and generating structure matrix made of geometrical means of the floating potentials, the HIWG detector reconstructs the spatial distribution of high-temperature electron clump at an arbitrary instant of time. Time slices of the spike event in floating potential revealed the growth and decay process of a hot spot occurs in an ECR plasma.

    Original languageEnglish
    Article number113503
    JournalReview of Scientific Instruments
    Volume85
    Issue number11
    DOIs
    Publication statusPublished - Nov 1 2014

    Fingerprint

    Hot electrons
    clumps
    hot electrons
    floating
    Electron cyclotron resonance
    grids
    wire
    impedance
    Wire
    electron cyclotron resonance
    Plasmas
    Detectors
    Electron temperature
    detectors
    spikes
    Spatial distribution
    spatial distribution
    Electrodes
    electrodes
    decay

    All Science Journal Classification (ASJC) codes

    • Instrumentation

    Cite this

    High-impedance wire grid method to study spatiotemporal behavior of hot electron clump generated in a plasma. / Terasaka, Kenichiro; Yoshimura, S.; Kato, Y.; Furuta, K.; Aramaki, M.; Morisaki, T.; Tanaka, M. Y.

    In: Review of Scientific Instruments, Vol. 85, No. 11, 113503, 01.11.2014.

    Research output: Contribution to journalArticle

    Terasaka, Kenichiro ; Yoshimura, S. ; Kato, Y. ; Furuta, K. ; Aramaki, M. ; Morisaki, T. ; Tanaka, M. Y. / High-impedance wire grid method to study spatiotemporal behavior of hot electron clump generated in a plasma. In: Review of Scientific Instruments. 2014 ; Vol. 85, No. 11.
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