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Chinese Optics Letters

Chinese Optics Letters

| PUBLISHED MONTHLY BY CHINESE LASER PRESS AND DISTRIBUTED BY OSA

  • Vol. 8, Iss. 1 — Jan. 1, 2010
  • pp: 66–69

Er3+/Tm3+/Yb3+ tridoped oxyfluoride glass ceramics with efficient upconversion white-light emission

Chenxia Li, Shiqing Xu, Renguang Ye, Shilong Zhao, Degang Deng, and Songlin Zhuang  »View Author Affiliations


Chinese Optics Letters, Vol. 8, Issue 1, pp. 66-69 (2010)


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Abstract

A novel Tm<sup>3+</sup>/Er<sup>3+</sup>/Yb<sup>3+</sup> triply-doped glass ceramics containing BaF<sub>2</sub> nano-crystals are successfully prepared. Fluoride nanocrystals BaF<sub>2</sub> are successfully precipitated in glass matrix, which is affirmed by the X-ray diffraction results. The intense blue (476 nm), green (543 nm), and red (656 nm) emissions of the glass ceramics are simultaneously observed at room temperature under 980-nm excitation, and the emission luminescence intensity increases significantly compared with the precursor glass, which is attributed to the low phonon energy of fluoride nanocrystals when rare-earth ions are incorporated into the precipitated BaF<sub>2</sub> nanocrystals. Under 980-nm excitation at 400 mW, the international commission on illumination (CIE) chromaticity coordinate (X = 0.278, Y = 0.358) of the tridoped oxyfluoride glass ceramics' upconversion emissions is close to the standard white-light illumination (X = 0.333, Y = 0.333). The results indicate that Tm<sup>3+</sup>/Er<sup>3+</sup>/Yb<sup>3+</sup> triply doped glass ceramics can act as suitable materials for potential three-dimensional displays applications.

© 2010 Chinese Optics Letters

OCIS Codes
(160.4670) Materials : Optical materials
(160.5690) Materials : Rare-earth-doped materials

Citation
Chenxia Li, Shiqing Xu, Renguang Ye, Shilong Zhao, Degang Deng, and Songlin Zhuang, "Er3+/Tm3+/Yb3+ tridoped oxyfluoride glass ceramics with efficient upconversion white-light emission," Chin. Opt. Lett. 8, 66-69 (2010)
http://www.opticsinfobase.org/col/abstract.cfm?URI=col-8-1-66

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