DIAGNOSTIC TECHNIQUES IN PLASMA RESEARCH.
Abstract
The construction and employment of four diagnostic probe systems in connection with a steady state plasma facility is discussed. Use of a Hall probe for the determination of magnetic field strength within the magnetic bottle, and three Langmuir probe systems for determination of plasma temperature and density are discussed. Results obtained through the employment of the Hall probe verified theoretical planning predictions, providing data necessary for further experimental activities. Use of the single Langmuir probe in positive column plasma diagnostics was not successful but provided useful information for use in future probe circuit design, construction, and employment. Use of the double Langmuir probe provided an electron temperature value of 6.9 electron volts in the positive column at 800 microns pressure and a realistic density profile in Argon at 400 microns.
Document Details
- Document Type
- Technical Report
- Publication Date
- Jan 01, 1964
- Accession Number
- AD0482238
Entities
People
- Charles W. Newcomb
Organizations
- Naval Postgraduate School