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Optics Letters

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  • Editor: Alan E. Willner
  • Vol. 34, Iss. 22 — Nov. 15, 2009
  • pp: 3565–3567

Broadband conversion of visible light to near-infrared emission by Ce3+, Yb3+-codoped yttrium aluminum garnet

Xiaofeng Liu, Yu Teng, Yixi Zhuang, Junhua Xie, Yanbo Qiao, Guoping Dong, Danping Chen, and Jianrong Qiu  »View Author Affiliations


Optics Letters, Vol. 34, Issue 22, pp. 3565-3567 (2009)
http://dx.doi.org/10.1364/OL.34.003565


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Abstract

We show that Ce3+ can be an efficient sensitizer for Yb3+ in the host lattice of yttrium aluminum garnet (YAG). With blue-light excitation to induce the 4f→5d transition of Ce3+, characteristic near-IR emission of Yb3+ due to transition of 2F5/22F7/2 peaking at 1030 nm is generated as a result of energy transfer from Ce3+ to Yb3+. The result of spectral evolution with temperature indicates that the efficiency of energy transfer is enhanced owing to thermal effect. This evidence implies that the phonon-assisted process participates in the downconversion of YAG: Ce3+, Yb3+.

© 2009 Optical Society of America

OCIS Codes
(160.2540) Materials : Fluorescent and luminescent materials
(160.5690) Materials : Rare-earth-doped materials
(300.6280) Spectroscopy : Spectroscopy, fluorescence and luminescence

ToC Category:
Materials

History
Original Manuscript: July 1, 2009
Revised Manuscript: September 28, 2009
Manuscript Accepted: October 7, 2009
Published: November 12, 2009

Citation
Xiaofeng Liu, Yu Teng, Yixi Zhuang, Junhua Xie, Yanbo Qiao, Guoping Dong, Danping Chen, and Jianrong Qiu, "Broadband conversion of visible light to near-infrared emission by Ce3+, Yb3+-codoped yttrium aluminum garnet," Opt. Lett. 34, 3565-3567 (2009)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-34-22-3565


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