Published April 9, 2010 | Version v1
Journal article

Multicolor upconversion luminescence from RE3+-Yb3+ (RE = Er, Tm, Tb) codoped LaAlGe2O7 glasses

  • 1. Sino-America Cancer Res Institute, Guangdong Medical College, Dongguan 523808 (China)
  • 2. Key Laboratory of Material Science and Technology for High Power Lasers, Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Shanghai 201800 (China) and Graduate School of the Chinese Academy of Sciences, Beijing 100039 (China)
  • 3. Key Laboratory of Material Science and Technology for High Power Lasers, Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Shanghai 201800 (China)
  • 4. Graduate School of the Chinese Academy of Sciences, Beijing 100039 (China)
  • 5. State Key Laboratory of Silicon Materials, Zhejiang University, Hangzhou 310027 (China)

Description

RE3+-Yb3+ (RE = Er, Tm, and Tb) codoped lanthanum aluminum germanate LaAlGe2O7 (LAG) glasses are prepared by melt-quenching method. The blank LAG glass has good transparency in UV/VIS/NIR/MIR range, which makes it suitable for RE ions doping. The doped glasses show strong upconversion (UC) emission under the excitation of a 980 nm laser diode assisted by two or three photons. The UC from Er3+/Yb3+ and Tm3+/Yb3+ codoped LAG glasses show high color purity. The mechanism is also discussed to explain the UC processes.

Availability note (English)

Available from http://dx.doi.org/10.1016/j.jallcom.2010.01.123

Additional details

Identifiers

DOI
10.1016/j.jallcom.2010.01.123;
PII
S0925-8388(10)00156-8;

Publishing Information

Journal Title
Journal of Alloys and Compounds
Journal Volume
495
Journal Issue
1
Journal Page Range
p. 205-208
ISSN
0925-8388
CODEN
JALCEU

Optional Information

Copyright
Copyright (c) 2010 Elsevier Science B.V., Amsterdam, The Netherlands, All rights reserved.