THE HCD ARGON ION LASER.
Abstract
The operating characteristics of two different argon ion laser systems are described. In the mode of operation where only an axial magnetic field confines the hollow cathode discharge (HCD), it is an inefficient energy source for lasing. However, when discs are introduced to radially restrict the arc to the dimension of the central aperture of the discs, the HCD laser is shown to perform almost identically to a conventional argon ion laser employing a heated cathode. Technological advantages of the HCD laser are discussed. The experimental data obtained are compared with calculations based on a theoretical analysis predicting output power as a function of gas pressure. The increasing influence of electron-ion interactions at high currents is clearly demonstrated. The effects of radiation trapping are also considered. (Author)
Document Details
- Document Type
- Technical Report
- Publication Date
- Jun 01, 1970
- Accession Number
- AD0709592
Entities
People
- E. H. Holt
- J. H. Noon
- R. G. Buser
- W. C. Jennings
Organizations
- United States Army Communications-Electronics Command