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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Alan E. Willner
  • Vol. 38, Iss. 19 — Oct. 1, 2013
  • pp: 3780–3783

Photoluminescence of a Te4+ center in zinc borate glass

Hirokazu Masai, Yasuhiro Yamada, Shun Okumura, Yoshihiko Kanemitsu, and Toshinobu Yoko  »View Author Affiliations


Optics Letters, Vol. 38, Issue 19, pp. 3780-3783 (2013)
http://dx.doi.org/10.1364/OL.38.003780


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Abstract

Photoluminescent (PL) properties related to Te4+ species in zinc borate glasses are examined. Broad emission was observed by the excitation of the PL excitation peak of Te4+ present at the optical absorption edge. The emission intensity of Te4+ in 5TeO250ZnO45B2O3 glass was thermally quenched in a temperature region over 100 K, suggesting that concentration quenching preferentially occurred. The lifetime of the emission was approximately 2.5 μs, which is characteristic of relaxation from the triplet excitation state of an ns2-type center.

© 2013 Optical Society of America

OCIS Codes
(160.2540) Materials : Fluorescent and luminescent materials
(160.2750) Materials : Glass and other amorphous materials
(160.4670) Materials : Optical materials
(250.5230) Optoelectronics : Photoluminescence

ToC Category:
Materials

History
Original Manuscript: July 18, 2013
Revised Manuscript: August 27, 2013
Manuscript Accepted: August 27, 2013
Published: September 19, 2013

Citation
Hirokazu Masai, Yasuhiro Yamada, Shun Okumura, Yoshihiko Kanemitsu, and Toshinobu Yoko, "Photoluminescence of a Te4+ center in zinc borate glass," Opt. Lett. 38, 3780-3783 (2013)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-38-19-3780

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