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Optics Letters

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  • Editor: Alan E. Willner
  • Vol. 38, Iss. 20 — Oct. 15, 2013
  • pp: 3988–3990

Activation effect of Ho3+ at 2.84 μm MIR luminescence by Yb3+ ions in GGG crystal

Yan Wang, Jianfu Li, Zhaojie Zhu, Zhenyu You, Jinlong Xu, and Chaoyang Tu  »View Author Affiliations


Optics Letters, Vol. 38, Issue 20, pp. 3988-3990 (2013)
http://dx.doi.org/10.1364/OL.38.003988


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Abstract

The use of Yb3+ co-doping for the enhancement of Ho3+:I56I57 mid-IR (MIR) emissions was investigated in GGG crystal for the first time. It is established that Yb3+ highly increases Ho3+ 2.84 μm emissions by transforming pump energy from the Yb3+:F25/2 level to the laser upper level I56 of Ho3+. The energy-transfer efficiency from Yb3+:F25/2 to Ho3+:I56 is calculated to be 96.2%. The absorption cross section, emission cross section, and fluorescence quantum efficiency are estimated and discussed. It is concluded that the Yb, Ho:GGG crystal is promising material for an LD-pumped 2.84 μm laser application.

© 2013 Optical Society of America

OCIS Codes
(160.3380) Materials : Laser materials
(160.5690) Materials : Rare-earth-doped materials
(260.2160) Physical optics : Energy transfer
(260.2510) Physical optics : Fluorescence
(300.6280) Spectroscopy : Spectroscopy, fluorescence and luminescence
(310.6188) Thin films : Spectral properties

ToC Category:
Spectroscopy

History
Original Manuscript: June 20, 2013
Revised Manuscript: July 11, 2013
Manuscript Accepted: August 27, 2013
Published: October 2, 2013

Citation
Yan Wang, Jianfu Li, Zhaojie Zhu, Zhenyu You, Jinlong Xu, and Chaoyang Tu, "Activation effect of Ho3+ at 2.84 μm MIR luminescence by Yb3+ ions in GGG crystal," Opt. Lett. 38, 3988-3990 (2013)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-38-20-3988


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