Optically Pumped Far Infrared Lasers.

Abstract

Experiments and theory regarding the emission processes in optically pumped far infrared laser sources are reported. Super-radiance from CH3F at 496 micrometers in the homogeneously broadened regime has been identified for the first time. Stimulated Raman emission on pure rotational transitions in D2O at 50 micrometers and 66 micrometers has also been identified for the first time. Generally good agreement between experiments and a Maxwell-Bloch approach was obtained for the superradiance study, and good qualitative agreement between experiments and a Maxwell-density matrix approach using three waves interacting in a four-level system was noted for the Raman study; both implying that the processes are now resaonable well characterized and understood. (Author)

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Document Details

Document Type
Technical Report
Publication Date
Jun 01, 1978
Accession Number
ADA055998

Entities

People

  • P. D. Coleman
  • T. A. Detemple

Organizations

  • University of Illinois Urbana–Champaign

Tags

Communities of Interest

  • Advanced Electronics
  • Materials and Manufacturing Processes

DTIC Thesaurus Topics

  • Absorption
  • Computer Programs
  • Electronics
  • Energy Levels
  • Equations
  • Far Infrared Lasers
  • Far Infrared Radiation
  • Frequency
  • Ground State
  • Infrared Lasers
  • Laser Diodes
  • Laser Spectroscopy
  • Lasers
  • Measurement
  • Optical Lattices
  • Radiation
  • Tea Lasers

Fields of Study

  • Physics

Readers

  • Molecular Photonics/Laser Physics
  • Optical Physics and Photonics.

Technology Areas

  • Directed Energy
  • Directed Energy - Lasers