Journal
JOURNAL OF THE OPTICAL SOCIETY OF AMERICA B-OPTICAL PHYSICS
Volume 27, Issue 8, Pages 1659-1663Publisher
OPTICAL SOC AMER
DOI: 10.1364/JOSAB.27.001659
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Funding
- National Natural Science Foundation of China (NSFC) [60508014, 50772102]
- New Century Excellent Talents in University [NCET-07-0786]
- Nature Science Foundation of Zhejiang Province [R406007, Y4080268]
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Cr4+-doped transparent beta-Zn2SiO4 glass-ceramics were prepared by heat treatment on the as-made glasses. It was confirmed from the absorption spectra that Cr4+-doped beta-Zn2SiO4 glass-ceramics are indeed a low-field system. The broadband infrared emission centering at 1342 nm with the full width at half-maximum of more than 285 nm was observed by exciting the glass-ceramics with the excitation of an 808 nm laser diode. The observed infrared emission could be attributed to Cr4+ ions at low-field sites in beta-Zn2SiO4 glass-ceramics. (C) 2010 Optical Society of America
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