Radial Density Distribution of Negative Atomic Oxygen in the Oxygen Positive Column: An Experiment

Abstract

This thesis develops the foundation for an experiment to determine the radial distribution of the negative atomic oxygen ion in the positive column of a plasma discharge. Lee's theory is modified to apply to a discharge of square cross-section. A new design for a discharge tube is presented. The operating characteristics of this tube are investigated: current-voltage measurements are made showing operating regimes of the T-form and H-form of the discharge, and acoustic waves are shown to exist in the T-form region. Three experimental designs are presented to determine the radial density of the oxygen anion, each involving photodetachment.

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Document Details

Document Type
Technical Report
Publication Date
Dec 01, 1986
Accession Number
ADA179212

Entities

People

  • J. Mark Delgrande

Organizations

  • Air Force Institute of Technology

Tags

Communities of Interest

  • Energy and Power Technologies

DTIC Thesaurus Topics

  • Acoustic Waves
  • Air Force
  • Charged Particles
  • Current Density
  • Discharge Tubes
  • Dye Lasers
  • Electron Density
  • Electrons
  • Engineering
  • Experimental Design
  • Laser Applications
  • Laser Beams
  • Lasers
  • Light (Electromagnetic Radiation)
  • Measurement
  • Spectra
  • Waves

Fields of Study

  • Physics

Readers

  • Molecular Photonics/Laser Physics
  • Plasma Physics.
  • Structural Dynamics.