Helicon-type radiofrequency plasma thrusters and magnetic plasma nozzles

K Takahashi - Reviews of Modern Plasma Physics, 2019 - Springer
Abstract Development of electrodeless radiofrequency plasma thrusters, eg, a helicon
thruster, has been one the of challenging topics for future high-power and long-lived electric …

A review of recent laboratory double layer experiments

C Charles - Plasma sources science and technology, 2007 - iopscience.iop.org
Recent developments in laboratory double layers from the late 1980s to the spring of 2007
are reviewed. The paper begins by a lead up to electric double layers in the laboratory. Then …

Helicon high-density plasma sources: physics and applications

S Shinohara - Advances in Physics: X, 2018 - Taylor & Francis
Helicon high-density (up to~ 1013 cm− 3) plasma sources using a radio frequency wave in
the presence of a magnetic field under a low pressure are very promising for various …

Ambipolar ion acceleration in an expanding magnetic nozzle

BW Longmier, EA Bering, MD Carter… - Plasma Sources …, 2011 - iopscience.iop.org
The helicon plasma stage in the Variable Specific Impulse Magnetoplasma Rocket
(VASIMR®) VX-200i device was used to characterize an axial plasma potential profile within …

Experimental identification of an azimuthal current in a magnetic nozzle of a radiofrequency plasma thruster

K Takahashi, A Chiba, A Komuro… - Plasma Sources Science …, 2016 - iopscience.iop.org
The azimuthal plasma current in a magnetic nozzle of a radiofrequency plasma thruster is
experimentally identified by measuring the plasma-induced magnetic field. The axial plasma …

Kinetic electron cooling in magnetic nozzles: experiments and modeling

JY Kim, KJ Chung, K Takahashi… - … Sources Science and …, 2023 - iopscience.iop.org
As long-distance space travel requires propulsion systems with greater operational flexibility
and lifetimes, there is a growing interest in electrodeless plasma thrusters that offer the …

Transport of energetic electrons in a magnetically expanding helicon double layer plasma

K Takahashi, C Charles, R Boswell, W Cox… - Applied Physics …, 2009 - pubs.aip.org
Peripheral magnetic field lines extending from the plasma source into the diffusion chamber
are found to separate two regions of Maxwellian electron energy probability functions: the …

Testing a helicon double layer thruster immersed in a space-simulation chamber

MD West, C Charles, RW Boswell - Journal of Propulsion and Power, 2008 - arc.aiaa.org
CURRENT-FREE electric double layers, which accelerate ions, have been observed in
recent years in various laboratory plasma experiments of different shapes and sizes at low …

Solitary waves and double layers in a dusty electronegative plasma

AA Mamun, PK Shukla, B Eliasson - … Review E—Statistical, Nonlinear, and Soft …, 2009 - APS
A dusty electronegative plasma containing Boltzmann electrons, Boltzmann negative ions,
cold mobile positive ions, and negatively charged stationary dust has been considered. The …

Spatial retarding field energy analyzer measurements downstream of a helicon double layer plasma

W Cox, C Charles, RW Boswell, R Hawkins - Applied Physics Letters, 2008 - pubs.aip.org
Spatial ion energy measurements using a retarding field energy analyzer are performed in
the exhaust of a 0.30 mTorr⁠, 250 W helicon double layer plasma to investigate the …