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Virtual Journal for Biomedical Optics

Virtual Journal for Biomedical Optics


  • Editors: Andrew Dunn and Anthony Durkin
  • Vol. 6, Iss. 4 — May. 4, 2011

Efficient near-infrared emission from neodymium by broadband sensitization of bismuth in zeolites

Zhenhua Bai, Minoru Fujii, Yuki Mori, Yuji Miwa, Minoru Mizuhata, Hong-Tao Sun, and Shinji Hayashi  »View Author Affiliations

Optics Letters, Vol. 36, Issue 6, pp. 1017-1019 (2011)

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Nd-Bi codoped zeolites were prepared by an ion-exchange process, and the optical properties were investigated by photoluminescence (PL) and PL excitation spectra, and decay time measurements. The results show that the NIR emission of Nd 3 + ions is significantly enhanced by the introduction of bismuth in codoped samples, and the lifetime reaches 246 μs . It is also observed that NIR-active Bi acts as a sensitizer of Nd 3 + ions. The energy transfer efficiency is also estimated. The peculiar optical properties make Nd-Bi codoped zeolites promising for potential application in biological probes.

© 2011 Optical Society of America

OCIS Codes
(160.4670) Materials : Optical materials
(160.4760) Materials : Optical properties
(300.2140) Spectroscopy : Emission

ToC Category:

Original Manuscript: November 15, 2010
Revised Manuscript: February 22, 2011
Manuscript Accepted: February 22, 2011
Published: March 15, 2011

Virtual Issues
Vol. 6, Iss. 4 Virtual Journal for Biomedical Optics

Zhenhua Bai, Minoru Fujii, Yuki Mori, Yuji Miwa, Minoru Mizuhata, Hong-Tao Sun, and Shinji Hayashi, "Efficient near-infrared emission from neodymium by broadband sensitization of bismuth in zeolites," Opt. Lett. 36, 1017-1019 (2011)

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