Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/4171
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Title: Infrared luminescence and amplification properties of Bi-doped GeO₂-Ga₂O₃-Al₂O₃glasses
Authors: Zhou, S
Dong, H
Zeng, H
Hao, JH 
Chen, J
Qiu, J
Issue Date: 15-May-2008
Source: Journal of applied physics, 15 May 2008, v. 103, no. 10, 103532, p. 1-4
Abstract: Bi, Ga, and Al codoped germanium glass was prepared and its optical properties were investigated by absorption, photoluminescence excitation (PLE), and photoluminescence spectra. Two active centers which occupy strong and weak crystal field environment are identified by using the PLE spectrum. The tunable and ultrabroadband luminescence properties are originated from electron transitions of these two active centers. Internal optical gain around 1300 and 1560 nm has been detected. The wavelength-dependent internal gains excited with 808 and 980 nm laser diodes show different characteristics, and the relative flat optical amplification can be realized by choosing 980 nm pumping.
Keywords: Alumina
Bismuth compounds
Gallium compounds
Germanium compounds
Laser beam applications
Optical glass
Optical pumping
Photoluminescence
Publisher: American Institute of Physics
Journal: Journal of applied physics 
ISSN: 0021-8979
EISSN: 1089-7550
DOI: 10.1063/1.2917303
Rights: © 2008 American Institute of Physics. This article may be downloaded for personal use only. Any other use requires prior permission of the author and the American Institute of Physics. The following article appeared in S. Zhou et al., J. Appl. Phys. 103, 103532 (2008) and may be found at http://link.aip.org/link/?jap/103/103532.
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