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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Alan E. Willner
  • Vol. 35, Iss. 7 — Apr. 1, 2010
  • pp: 983–985

Optical properties of Cr 2 + : ZnSe single crystal and film

N. Vivet, M. Morales, M. Levalois, and J. L. Doualan  »View Author Affiliations


Optics Letters, Vol. 35, Issue 7, pp. 983-985 (2010)
http://dx.doi.org/10.1364/OL.35.000983


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Abstract

To realize an electrically pumped compact mid-IR microlaser, the optical properties of a Cr 2 + : ZnSe film deposited by rf magnetron cosputtering were compared with those of a single crystal. The mid-IR room temperature photoluminescence efficiency of the film appears only twice less than the one of the single crystal under direct (1850 nm) and indirect (458 nm) excitations. The smaller Cr 2 + fluorescence lifetime values of the film were attributed to the presence in the film of a large amount of chromium in a valence state different from Cr 2 + and of structural defects in the ZnSe host matrix.

© 2010 Optical Society of America

OCIS Codes
(140.3380) Lasers and laser optics : Laser materials
(310.6860) Thin films : Thin films, optical properties

ToC Category:
Lasers and Laser Optics

History
Original Manuscript: November 25, 2009
Manuscript Accepted: February 2, 2010
Published: March 24, 2010

Citation
N. Vivet, M. Morales, M. Levalois, and J. L. Doualan, "Optical properties of Cr2+:ZnSe single crystal and film," Opt. Lett. 35, 983-985 (2010)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-35-7-983

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