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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Xi-Cheng Zhang
  • Vol. 39, Iss. 7 — Apr. 1, 2014
  • pp: 2000–2003

Ultraviolet C upconversion fluorescence of trivalent erbium in BaGd2ZnO5 phosphor excited by a visible commercial light-emitting diode

Yanmin Yang, Chao Mi, Xianyuan Su, Fuyun Jiao, Linlin Liu, Jiao Zhang, Fang Yu, Xiaodong Li, Yanzhou Liu, and Yaohua Mai  »View Author Affiliations


Optics Letters, Vol. 39, Issue 7, pp. 2000-2003 (2014)
http://dx.doi.org/10.1364/OL.39.002000


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Abstract

Multiple ultraviolet (UV) emission bands have been obtained in Er 3 + doped BaG d 2 Zn O 5 phosphor under the excitation of a 532 nm solid-state laser, and the emission peaks at 217, 254, 278, 296, 314, 348, 374 and 394 nm were determined to stem from the high-energy states D 4 1 / 2 , D 4 7 / 2 , H 2 9 / 2 , P 2 1 / 2 , P 2 3 / 2 , G 4 7 / 2 , G 4 11 / 2 , H 4 9 / 2 of trivalent erbium, respectively. Some UV emission bands in the UVC region can be observed when the sample was excited by commercial green (529 nm) and blue (460 nm) LED. In view of the small size, low-drive voltage and price of LED, UVC upconversion phosphor BaGd 2 Zn O 5 : Er 3 + excited by visible LED has potential application in environmental sciences.

© 2014 Optical Society of America

OCIS Codes
(160.5690) Materials : Rare-earth-doped materials
(190.7220) Nonlinear optics : Upconversion
(260.7190) Physical optics : Ultraviolet

ToC Category:
Physical Optics

History
Original Manuscript: January 22, 2014
Revised Manuscript: February 27, 2014
Manuscript Accepted: February 27, 2014
Published: March 25, 2014

Citation
Yanmin Yang, Chao Mi, Xianyuan Su, Fuyun Jiao, Linlin Liu, Jiao Zhang, Fang Yu, Xiaodong Li, Yanzhou Liu, and Yaohua Mai, "Ultraviolet C upconversion fluorescence of trivalent erbium in BaGd2ZnO5 phosphor excited by a visible commercial light-emitting diode," Opt. Lett. 39, 2000-2003 (2014)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-39-7-2000

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