Interpretation of the fine structure of electrostatic waves excited in space

Journal Article · Sat Aug 01 04:00:00 EDT 1981 · Phys. Fluids; (United States)

DOI:https://doi.org/10.1063/1.863556· OSTI ID:6440498

Pottelette, R; Hamelin, M; Illiano, J M; Lembege, B

Preliminary results are presented from an active wave experiment performed with a double-dipole probe aboard the F4 rocket launched during the PORCUPINE campaign. They show that electrostatic cyclotron waves can be excited linearly around the half-harmonics of the electron gyrofrequency. The most striking fact is that, under certain plasma conditions, the amplitude of waves excited at these peculiar frequencies can be even stronger than those observed at the characteristic resonances of the magnetoplasma. The fine structure of the signals received is also observed and interpreted. Theoretical numerical calculations of the potential created by a dipole antenna in a Maxwellian plasma are presented; good agreement is obtained with the complicated pattern of the various experimental results.

• Research Organization: Centre de Recherches en Physique de l'Environnement/Centre National de la Recherche Scientifique, 45045 Orleans-La-Source, France
• OSTI ID: 6440498
• Journal Information: Phys. Fluids; (United States), Journal Name: Phys. Fluids; (United States) Vol. 24:8; ISSN PFLDA
• Country of Publication: United States
• Language: English

Related Subjects

70 PLASMA PHYSICS AND FUSION TECHNOLOGY
700108* -- Fusion Energy-- Plasma Research-- Wave Phenomena
ANTENNAS
DIPOLES
ELECTRICAL EQUIPMENT
ENERGY-LEVEL TRANSITIONS
EQUIPMENT
EXCITATION
FINE STRUCTURE
FREQUENCY RANGE
KHZ RANGE
KHZ RANGE 100-1000
MHZ RANGE
MHZ RANGE 01-100
MULTIPOLES
PLASMA WAVES
ROCKETS
SIGNALS
SPACE