IMPEDANCE OF A FINITE INSULATED ANTENNA IN A COLD PLASMA WITH A PERPENDICULAR MAGNETIC FIELD,
Abstract
A variational formulation is developed for the impedance of a finite strip antenna embedded in a planar dielectric slab which is surrounded by a magnetoionic medium (cold electron plasma) with a static magnetic field impressed in a direction perpendicular to the antenna surface. Closed form expressions are obtained in the limit of low frequencies, and for a short antenna in a uniaxial medium. The impedance becomes large at the plasma frequency, near the upper hybrid resonance frequency and further resonances are observed near the gyro-frequency if the gyro-frequency exceeds the plasma frequency. The reactance of a short antenna is inductive at low frequencies, but becomes capacitive as the thickness of the insulation around the antenna is increased. (Author)
Document Details
- Document Type
- Technical Report
- Publication Date
- Jul 25, 1966
- Accession Number
- AD0640065
Entities
People
- J. Galejs
Organizations
- Sylvania Electric Products