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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Alan E. Willner
  • Vol. 33, Iss. 8 — Apr. 15, 2008
  • pp: 857–859

Ultraviolet upconversion emissions of Gd 3 +

Chunyan Cao, Weiping Qin, Jisen Zhang, Yan Wang, Peifen Zhu, Guodong Wei, Guofeng Wang, Ryongjin Kim, and Lili Wang  »View Author Affiliations


Optics Letters, Vol. 33, Issue 8, pp. 857-859 (2008)
http://dx.doi.org/10.1364/OL.33.000857


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Abstract

Under 980 nm excitation, upconversion (UC) emissions in the UV range of 270 320 nm were observed in nanocrystals Y 0.795 x Gd x Yb 0.2 Tm 0.005 F 3 ( x = 0 , 0.1, 0.2, 0.5, and 0.795), which were synthesized through a hydrothermal method. These UC emissions can be assigned to the transitions of I J 6 , P J 6 S 7 2 8 ( Gd 3 + ) , and P 0 3 I 6 1 H 6 3 ( Tm 3 + ) . The energy transfer from Tm 3 + to Gd 3 + plays a crucial role in populating the excited states of Gd 3 + . The shortest wavelength of upconverted emission converted from the infrared region was demonstrated here.

© 2008 Optical Society of America

OCIS Codes
(190.7220) Nonlinear optics : Upconversion
(300.6280) Spectroscopy : Spectroscopy, fluorescence and luminescence

ToC Category:
Spectroscopy

History
Original Manuscript: November 26, 2007
Revised Manuscript: February 14, 2008
Manuscript Accepted: March 7, 2008
Published: April 14, 2008

Citation
Chunyan Cao, Weiping Qin, Jisen Zhang, Yan Wang, Peifen Zhu, Guodong Wei, Guofeng Wang, Ryongjin Kim, and Lili Wang, "Ultraviolet upconversion emissions of Gd3+," Opt. Lett. 33, 857-859 (2008)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-33-8-857

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