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Optics Letters

Optics Letters

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  • Editor: Alan E. Willner
  • Vol. 34, Iss. 16 — Aug. 15, 2009
  • pp: 2486–2488

Enhanced broadband near-infrared emission and energy transfer in Bi–Tm-codoped germanate glasses for broadband optical amplification

Jian Ruan, Guoping Dong, Xiaofeng Liu, Qiang Zhang, Danping Chen, and Jianrong Qiu  »View Author Affiliations


Optics Letters, Vol. 34, Issue 16, pp. 2486-2488 (2009)
http://dx.doi.org/10.1364/OL.34.002486


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Abstract

Bi–Tm-codoped, and Tm- and Bi- singly doped germanate glasses were prepared, and their luminescent properties were investigated. Intense broadband near-IR emission with FWHM of 300 nm was observed in the Bi–Tm codoped glass. The emission intensity of Tm 3 + : H 4 3 F 4 13 and F 4 3 H 5 13 transitions in the Bi–Tm-codoped glass was highly increased and reduced, respectively. The fluorescence lifetime of Tm 3 + at 1470 nm increased from 204 μ s to 301 μ s after codoping. These should be due to the efficient energy transfer from Bi-related centers to Tm 3 + ions. The highest energy transfer efficiency is estimated to be 50 % .

© 2009 Optical Society of America

OCIS Codes
(160.2540) Materials : Fluorescent and luminescent materials
(250.5230) Optoelectronics : Photoluminescence
(300.6280) Spectroscopy : Spectroscopy, fluorescence and luminescence

ToC Category:
Materials

History
Original Manuscript: April 7, 2009
Revised Manuscript: July 7, 2009
Manuscript Accepted: July 8, 2009
Published: August 12, 2009

Citation
Jian Ruan, Guoping Dong, Xiaofeng Liu, Qiang Zhang, Danping Chen, and Jianrong Qiu, "Enhanced broadband near-infrared emission and energy transfer in Bi-Tm-codoped germanate glasses for broadband optical amplification," Opt. Lett. 34, 2486-2488 (2009)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-34-16-2486

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