Acoustically Driven Plasma Antenna

Abstract

A plasma antenna with an acoustic modulator is provided. An ionizer produces a plasma in a horizontal tube to form a bounded plasma column extending along a longitudinal axis. An amplitude-, phase- or frequency-modulated signal is applied to an acoustic transducer that directs an acoustic wave along the longitudinal axis into the plasma. The acoustic wave acts as an ion acoustic wave to oscillate ions parallel to the axis. This movement radiates an amplitude-, phase- or frequency- modulated electromagnetic field from the plasma column.

Open PDF

Document Details

Document Type
Technical Report
Publication Date
Mar 22, 1999
Accession Number
ADD019515

Entities

People

  • Theodore R. Anderson

Organizations

  • United States Department of the Navy

Tags

Communities of Interest

  • Advanced Electronics
  • Energy and Power Technologies

DTIC Thesaurus Topics

  • Acoustic Modulators
  • Acoustic Propagation
  • Acoustic Waves
  • Amplitude
  • Carrier Frequencies
  • Electromagnetic Fields
  • Electromagnetic Radiation
  • Electrons
  • Frequency
  • Magnetic Fields
  • Modulators
  • Radiation
  • Radio Frequency
  • Resonant Frequency
  • Sound Waves
  • Transducers
  • Waves

Fields of Study

  • Physics

Readers

  • Electromagnetic Wave Scattering and Antenna Radiation Engineering
  • Optical Physics and Photonics.
  • Plasma Physics / Magnetohydrodynamics