Performance of a permanent-magnet helicon source at 27 and 13 MHz

Calibration of Langmuir probes against microwaves and plasma oscillation probes

(2012) Francis F Chen et al.   PLASMA SOURCES SCIENCE & TECHNOLOGY

Equilibrium theory of cylindrical discharges with special application to helicons

(2011) Davide Curreli et al.   PHYSICS OF PLASMAS

Plane and hemispherical potential structures in magnetically expanding plasmas

(2010) Kazunori Takahashi et al.   APPLIED PHYSICS LETTERS

Observation of weakly and strongly diverging ion beams in a magnetically expanding plasma

(2009) K. Takahashi et al.   APPLIED PHYSICS LETTERS

Permanent-magnet helicon sources and arrays: A new type of rf plasma

(2009) Francis F. Chen et al.   PHYSICS OF PLASMAS

Permanent Magnet Helicon Source for Ion Propulsion

(2008) F.F. Chen   IEEE TRANSACTIONS ON PLASMA SCIENCE

Ion acceleration in a solenoid-free plasma expanded by permanent magnets

(2008) K. Takahashi et al.   PHYSICS OF PLASMAS