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Optics Letters

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  • Editor: Alan E. Willner
  • Vol. 33, Iss. 20 — Oct. 15, 2008
  • pp: 2293–2295

Broadband near-infrared emission in Er 3 + Tm 3 + codoped chalcohalide glasses

Yinsheng Xu, Danping Chen, Wei Wang, Qiang Zhang, Huidan Zeng, Ce Shen, and Guorong Chen  »View Author Affiliations


Optics Letters, Vol. 33, Issue 20, pp. 2293-2295 (2008)
http://dx.doi.org/10.1364/OL.33.002293


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Abstract

The near-IR emission spectra of Er 3 + Tm 3 + codoped 70 Ge S 2 20 In 2 S 3 10 Cs I chalcohalide glasses were studied with an 808 nm laser as an excitation source. A broad emission extending from 1.35 to 1.7 μ m with a FWHM of 160 nm was recorded in a 0.1 mol. % Er 2 S 3 , 0.5 mol. % Tm 2 S 3 codoped chalcohalide glass. The fluorescence decay curves of glasses were measured by monitoring the emissions of Tm 3 + at 1460 nm and Er 3 + at 1540 nm , and the lifetimes were obtained from the first-order exponential fit. The luminescence mechanism and the possible energy-transfer processes are discussed with respect to the energy-level diagram of Er 3 + and Tm 3 + ions.

© 2008 Optical Society of America

OCIS Codes
(160.5690) Materials : Rare-earth-doped materials
(300.6280) Spectroscopy : Spectroscopy, fluorescence and luminescence

ToC Category:
Spectroscopy

History
Original Manuscript: June 3, 2008
Revised Manuscript: August 28, 2008
Manuscript Accepted: September 1, 2008
Published: October 6, 2008

Citation
Yinsheng Xu, Danping Chen, Wei Wang, Qiang Zhang, Huidan Zeng, Ce Shen, and Guorong Chen, "Broadband near-infrared emission in Er3+-Tm3+ codoped chalcohalide glasses," Opt. Lett. 33, 2293-2295 (2008)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-33-20-2293


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