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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 20, Iss. 12 — Jun. 4, 2012
  • pp: 12658–12665

Broad combined orange-red emissions from Eu2+- and Eu3+-doped low-silica calcium aluminosilicate glass

Sandro Marcio Lima, Luis Humberto da Cunha Andrade, Junior Reis Silva, Antonio Carlos Bento, Mauro Luciano Baesso, Juraci Aparecido Sampaio, Luiz Antonio de Oliveira Nunes, Yannick Guyot, and Georges Boulon  »View Author Affiliations


Optics Express, Vol. 20, Issue 12, pp. 12658-12665 (2012)
http://dx.doi.org/10.1364/OE.20.012658


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Abstract

In this paper, a broad combined orange-red emission from Eu2+- and Eu3+-doped low-silica calcium aluminosilicate (LSCAS) glass is reported. Spectroscopic results demonstrate that it is possible to tune the emission wavelength by changing the excitation wavelength in the UV-Vis region. The color coordinates for the emission spectra were calculated, and using the Commission Internationale de l’Éclairage 1931 and 1976 chromatic diagrams, it is possible to note that they are dependent on the excitation wavelength. In addition, the (u’, v’) color coordinates for the investigated LSCAS samples are close to the Planckian spectrum in the cold region between 2000 and 2600K. Our results show that the Eu:LSCAS system can be used in a white light phosphor when mixed in aggregate with phosphors using green-yellow luminescent ions.

© 2012 OSA

OCIS Codes
(160.2540) Materials : Fluorescent and luminescent materials
(160.2750) Materials : Glass and other amorphous materials
(300.6550) Spectroscopy : Spectroscopy, visible
(330.7310) Vision, color, and visual optics : Vision

ToC Category:
Materials

History
Original Manuscript: February 21, 2012
Revised Manuscript: April 25, 2012
Manuscript Accepted: April 26, 2012
Published: May 21, 2012

Citation
Sandro Marcio Lima, Luis Humberto da Cunha Andrade, Junior Reis Silva, Antonio Carlos Bento, Mauro Luciano Baesso, Juraci Aparecido Sampaio, Luiz Antonio de Oliveira Nunes, Yannick Guyot, and Georges Boulon, "Broad combined orange-red emissions from Eu2+- and Eu3+-doped low-silica calcium aluminosilicate glass," Opt. Express 20, 12658-12665 (2012)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-20-12-12658


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