840 mW Continuous-Wave Fe:ZnSe Laser Operating at 4140 nm (Postprint)

Abstract

We report the demonstration of high-power (840 mW) continuous-wave laser oscillation from Fe2+ ions in zinc selenide. The output spectrum of the Fe:ZnSe laser had a line-center near 4140 nm with a linewidth of 80 nm. The Beam quality was measured to be M2 </= 1.2 with a maximum slope efficiency of 47%. Small shifts observed in output wavelength with increased output power were attributed to thermal effects. No thermal roll-off of slope efficiency was observed at the maximum of output power.

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Document Details

Document Type
Technical Report
Publication Date
Nov 30, 2012
Accession Number
ADA592430

Entities

People

  • Jonathan W. Evans
  • Kenneth L Schepler
  • Patrick A Berry

Organizations

  • Air Force Research Laboratory

Tags

Communities of Interest

  • Energy and Power Technologies

DTIC Thesaurus Topics

  • Air Force
  • Air Force Facilities
  • Air Force Research Laboratories
  • Compound Semiconductors
  • Continuous Waves
  • Crystals
  • Detectors
  • Efficiency
  • Emission Spectra
  • Infrared Lasers
  • Laser Applications
  • Laser Resonators
  • Laser Spectroscopy
  • Lasers
  • Military Research
  • Spectra
  • United States

Fields of Study

  • Physics

Readers

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

Technology Areas

  • Directed Energy
  • Directed Energy - Lasers