ELECTRONICS PROGRAM. OPTICAL MASER STUDIES

Abstract

Effort was expended in a fundamental study of useful or potentially useful materials in optical maser technology. Very small crystals of betaGa2O3 and powders of alpha- and beta-Ga2O3 have been prepared, a d preliminary observations of their fluorescence was made. Many solid state lasers, when operated very close to thr shold, exhibit n output which consists of a regularlyspaced series of spikes with an exponentiallydamped amplitude. The phenomenological theory of Statz and deMars predicts these effects. A comparison of the theory and experimental data is given for a three-level system (ruby) and a four-level system (Nd(3+) in glass). A more exact treatment of the rate equations for the three-level system is in better accord with the experimental results for ruby. In the case of the four-level system, the observations are believed to be the first of this type for the Nd(3+) glass laser. The results are in qualitative agreement with the theory. (Author)

Document Details

Document Type
Technical Report
Publication Date
Nov 15, 1962
Accession Number
AD0293197

Entities

People

  • M. Birnbaum

Tags

DTIC Thesaurus Topics

  • Agreements
  • Amplifiers
  • Amplitude
  • Electrical Equipment
  • Electronic Equipment
  • Electronics
  • Equations
  • Experimental Data
  • Fluorescence
  • Glass Lasers
  • Lasers
  • Masers
  • Materials
  • Microwave Amplifiers
  • Microwave Equipment
  • Observation
  • Solid State Lasers

Fields of Study

  • Physics

Readers

  • Materials Science and Engineering.
  • Optical Physics and Photonics.
  • Theoretical Analysis.

Technology Areas

  • Directed Energy
  • Directed Energy - Lasers
  • Microelectronics