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Chin. Opt. Lett.
 Home  List of Issues    Issue 11 , Vol. 10 , 2012    10.3788/COL201210.111602


Dependence of spectroscopic properties on doping content and temperature of bismuth-doped lanthanum aluminosilicate glass
Min Qian1;2, Jimeng Cheng1, Lili Hu1
1 Key Laboratory of Materials for High Power Laser, [Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences], Shanghai 201800, China
2 [Graduate University of Chinese Academy of Sciences], Beijing 100049, China

Chin. Opt. Lett., 2012, 10(11): pp.111602

DOI:10.3788/COL201210.111602
Topic:Materials
Keywords(OCIS Code): 160.0160  160.2750  070.4790  

Abstract
The effects of bismuth doping content and temperature on the absorption property and near-infrared (NIR) luminescence of Bi-doped La2O3-Al2O3-SiO2 (LAS) glasses are presented. The emission intensity reaches the maximum when the Bi2O3 content in 3.0Bi-LAS is 1.83%. The emission spectra reach their peaks at 1 190 and 1 117 nm, with full-width at half-maximum (FWHM) values of 330 and 228 nm under 500 and 700-nm excitations, respectively. As the Bi2O3 content increases, the peak wavelengths and FWHMs of emission bands increase, but their lifetimes decrease. The lifetime of 2.0Bi-LAS is 460 μs at 9 K, and is almost temperature independent until 350 K. The NIR emission of Bi in the system has strong resistance to thermal quenching from 9 to 350 K.

Copyright: © 2003-2012 . This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

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Received:2012/4/14
Accepted:2012/5/17
Posted online:2012/9/28

Get Citation: Min Qian, Jimeng Cheng, Lili Hu, "Dependence of spectroscopic properties on doping content and temperature of bismuth-doped lanthanum aluminosilicate glass," Chin. Opt. Lett. 10(11), 111602(2012)

Note: The work was supported by the National Natural Science Foundation of China (Nos. 60937003 and 61111120100).



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