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Broadband Infrared Luminescence of Ni 2+ in Petalite-Type Transparent Glass Ceramics |
| FENG Gao-Feng;ZHOU Shi-Feng;ZHANG Song-Min;YANG Hu-Cheng;QIU Jian-Rong |
| State Key Laboratory of Silicon Materials, Zhejiang University, Hangzhou 310027 |
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| Cite this article: |
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FENG Gao-Feng, ZHOU Shi-Feng, ZHANG Song-Min et al 2007 Chin. Phys. Lett. 24 968-970 |
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Abstract Transparent Ni 2+ -doped magnesium aluminosilicate glass ceramics are
prepared. The formation of petalite-type crystallites in the glass
ceramics is confirmed by x-ray diffraction. Broadband infrared
luminescence centred at around 1235nm with full width at half maximum
(FWHM) of about 300nm is observed from the Ni 2+ -doped glass
ceramics. The observed infrared emission could be attributed to the
3T 2(F) →3 A 2(F) transition of octahedral Ni 2+ ions in petalite-type crystallites. The product of the fluorescence lifetime and the stimulated emission cross sections is 1.2×10 -24 cm 2s.
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42.70.Hj
42.79.Sz
33.50.Dq
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Received: 20 November 2006
Published: 26 March 2007
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| PACS: |
42.70.Hj
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(Laser materials)
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42.79.Sz
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(Optical communication systems, multiplexers, and demultiplexers?)
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33.50.Dq
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(Fluorescence and phosphorescence spectra)
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