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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Editor: Joseph N. Mait
  • Vol. 48, Iss. 1 — Jan. 1, 2009
  • pp: 17–21

Polarization selection rules and optical transitions in terbium activated yttrium tantalate phosphor under x-ray, vacuum-ultraviolet, and ultraviolet excitations

Mihail Nazarov, Boris Tsukerblat, Clare Chisu Byeon, Ivan Arellano, Elisabeth-Jeanne Popovici, and Do Young Noh  »View Author Affiliations


Applied Optics, Vol. 48, Issue 1, pp. 17-21 (2009)
http://dx.doi.org/10.1364/AO.48.000017


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Abstract

The terbium-activated yttrium tantalite ( YTa O 4 : Tb 3 + ) phosphor is of great interest due to the interesting spectroscopic properties of rare earth ions in crystals and also practical use in x-ray imaging. Using the group-theoretical approach, we analyze the selection rules for the transition between Stark components of Tb 3 + in symmetry of the actual crystal field and the polarization for the allowed transitions. The luminescence upon UV, vacuum-ultraviolet (VUV), and x-ray excitation is presented and discussed. The YTa O 4 : Tb 3 + phosphors are found to be efficient VUV-excited luminescent materials that could be used not only in x-ray intensifying screens, but also in mercury-free fluorescent lamps or plasma display panels.

© 2008 Optical Society of America

OCIS Codes
(160.2540) Materials : Fluorescent and luminescent materials
(260.3800) Physical optics : Luminescence
(260.5430) Physical optics : Polarization
(300.6540) Spectroscopy : Spectroscopy, ultraviolet
(300.6550) Spectroscopy : Spectroscopy, visible
(300.6560) Spectroscopy : Spectroscopy, x-ray

ToC Category:
Physical Optics

History
Original Manuscript: September 23, 2008
Revised Manuscript: November 17, 2008
Manuscript Accepted: November 17, 2008
Published: December 15, 2008

Citation
Mihail Nazarov, Boris Tsukerblat, Clare Chisu Byeon, Ivan Arellano, Elisabeth-Jeanne Popovici, and Do Young Noh, "Polarization selection rules and optical transitions in terbium activated yttrium tantalate phosphor under x-ray, vacuum-ultraviolet, and ultraviolet excitations," Appl. Opt. 48, 17-21 (2009)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-48-1-17

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