Title :
High Speed Images of Drift Waves and Turbulence in Magnetized Microplasmas
Author :
Ito, Tsuyohito ; Cappelli, Mark A.
Author_Institution :
Grad. Sch. of Eng., Osaka Univ., Suita
Abstract :
We present high speed images from E times B discharges in microscale magnetically confined plasmas. The images depict strong and highly ordered drift waves and underlying smaller scale turbulence near the plasma edge, with characteristic length scales larger than the electron cyclotron radius. The phase velocity of the large-scale disturbances is in agreement with that for nablan-driven isothermal drift waves.
Keywords :
plasma boundary layers; plasma diagnostics; plasma drift waves; plasma turbulence; characteristic length scales; discharges; electron cyclotron radius; high-speed imaging; isothermal drift waves; magnetically confined plasmas; magnetized microplasmas; phase velocity; plasma edge; turbulence; ${bf E} times {bf B}$ discharge; Drift waves; magnetized discharge; microdischarge; none provided; turbulence;
Journal_Title :
Plasma Science, IEEE Transactions on
DOI :
10.1109/TPS.2008.927347
