A Study of Behavior and Properties of a Plasma under Conditions of Rapid Heating.

Abstract

Investigations of the properties of a small linear electromagnetic shock tube reveal the following: At pressures of about 1 Torr in helium there can be very large deviations from local thermal equilibrium; in argon the reverse can be true, and good measurements of conventional plasma properties are possible; precursor effects in helium are very strong, and occur because of a very specific sequence of ultraviolet radiations from the discharge chamber, rather than from potential waves or particles. Preliminary studies of energy transfer in a plasma typical of pulsed argon-ion lasers indicate new relationships of trapping of resonance radiation and wall effects to laser behavior. (Author)

Document Details

Document Type
Technical Report
Publication Date
May 01, 1973
Accession Number
AD0766831

Entities

People

  • Donald E. Kerr

Organizations

  • Johns Hopkins University

Tags

DTIC Thesaurus Topics

  • Argon Lasers
  • Electromagnetic Radiation
  • Energy Transfer
  • Ion Lasers
  • Lasers
  • Measurement
  • Radiation
  • Resonance Radiation
  • Shock Tubes
  • Ultraviolet Radiation

Fields of Study

  • Physics

Readers

  • Optical Physics and Photonics.
  • Plasma Physics.

Technology Areas

  • Directed Energy
  • Directed Energy - Lasers