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Broadband Near-Infrared Emission from Transparent Ni^2+ -Doped Sodium Aluminosilicate Glass Ceramics 下载免费PDF全文
Broadband near-infrared emission from transparent Ni^2+-doped sodium aluminosilicate glass-ceramics is observed. The broad emission is centred at 1290nm and covers the whole telecommunication wavelength region (1100- 1700hm) with full width at half maximum of about 340hm. The observed infrared emission could be attributed to the 3T2(F) → 3A2(F) transition of octahedral Ni^2+ ions that occupy high-field sites in nanocrystals. The product of the lifetime and the stimulated emission cross section is 2.15 × 10^-24 cm^2s. It is suggested that Ni^2+- doped sodium aluminosilicate glass ceramics have potential applications in tunable broadband light sources and broadband amplifiers. 相似文献
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