PERTURBATION OF MICROWAVE CAVITIES BY LOSSY DIELECTRICS AND PLASMAS,

Abstract

The frequency shift and Q change of a microwave cavity caused by lossy dielectrics or plasma spheres or cylinders is calculated. The necessity for this analysis is prompted by the use of microwave cavities to measure the expansion of nearly spherical plasmas created by focused high power lasers. The conditions required for the perturbing volume to behave as if it were a perfect conductor are examined. It is found that much lower conductivities (or permittivities) are required when the perturbing volume is placed in a cavity region where electric energy is predominant. (Author)

Document Details

Document Type
Technical Report
Publication Date
Feb 01, 1967
Accession Number
AD0649560

Entities

People

  • Richard B. Hall

Organizations

  • Boeing

Tags

DTIC Thesaurus Topics

  • Conductivity
  • Dielectrics
  • Frequency
  • Frequency Shift
  • Microwaves
  • Perturbations

Fields of Study

  • Physics

Readers

  • Microwave Engineering.
  • Plasma Physics.
  • Systems Analysis and Design

Technology Areas

  • Directed Energy