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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Alan E. Willner
  • Vol. 37, Iss. 23 — Dec. 1, 2012
  • pp: 5021–5023

840 mW continuous-wave Fe:ZnSe laser operating at 4140 nm

Jonathan W. Evans, Patrick A. Berry, and Kenneth L. Schepler  »View Author Affiliations


Optics Letters, Vol. 37, Issue 23, pp. 5021-5023 (2012)
http://dx.doi.org/10.1364/OL.37.005021


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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.

© 2012 Optical Society of America

OCIS Codes
(140.3070) Lasers and laser optics : Infrared and far-infrared lasers
(140.3580) Lasers and laser optics : Lasers, solid-state

ToC Category:
Lasers and Laser Optics

History
Original Manuscript: September 17, 2012
Revised Manuscript: October 22, 2012
Manuscript Accepted: October 22, 2012
Published: November 30, 2012

Citation
Jonathan W. Evans, Patrick A. Berry, and Kenneth L. Schepler, "840 mW continuous-wave Fe:ZnSe laser operating at 4140 nm," Opt. Lett. 37, 5021-5023 (2012)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-37-23-5021

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