Accession Number : AD0277373

Title :   PLASMA CONFINEMENT OF ELECTROMAGNETIC WAVES

Corporate Author : CALIFORNIA UNIV BERKELEY INST OF ENGINEERING RESEARCH

Personal Author(s) : AUGUST,G.

Report Date : 24 AUG 1961

Pagination or Media Count : 1

Abstract : The wave propagation, wave confinement, and rf power loss characteristics of certain plasma waveguides are studied theoretically. Plasmaguides having a cross section consisting of a circular vacuum region surrounded by plasma are studied in finite, zero, and infinite dc axial magnetic fields. A formal solution is obtained for the finite field case. Quantitative solutions are obtained for certain of the other cases. Plasmaguide propagation characteristics normally closely resemble those of metal circular waveguide. The plasmaguide skin depth is about the velocity of light divided by the radian plasma frequency. When multiple Coulomb collisions of the plasma particles are the dominant rf power loss mechanism, the plasmaguide has a Q exceeding that of a metal circular waveguide for plasma electron energies in excess of several ev, for typical microwave operating conditions. (Author)

Descriptors :   *PLASMAS(PHYSICS), ELECTROMAGNETIC RADIATION, MAGNETIC FIELDS, MICROWAVES, PARTICLES, VELOCITY, WAVEGUIDES

Distribution Statement : APPROVED FOR PUBLIC RELEASE