New phospho-tellurite glasses with optimization of transition temperature and refractive index for hybrid microstructured optical fibers

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• 作者：Zhongchao Duan ; Hoang Tuan Tong ; Meisong Liao ; Tonglei Cheng ; Motillon Erwan ; Takenobu Suzuki ; Yasutake Ohishi
• 关键词：Phospho-tellurite glasses ; Glass formation ; Thermal properties ; Optical properties ; Structural analyses ; Hybrid microstructured optical fibers
• 刊名：Optical Materials
• 出版年：2013
• 出版时间：October, 2013
• 年：2013
• 卷：35
• 期：12
• 页码：2473-2479
• 全文大小：1607 K

文摘

The glass formation and compositional dependences of glass thermal properties and optical properties were investigated in TeO₂-ZnO-Na₂O-P₂O₅ system. The refractive index at 1.55 ¦Ìm and glass transition temperature varied in a wide range from 1.513 to 2.036 and from 265 ¡ãC to 376 ¡ãC by controlling of the TeO₂/P₂O₅ and ZnO/Na₂O content, respectively. These properties enable phospho-tellurite glasses with large freedom in designing and fabrication of hybrid microstructured optical fiber. The structures of glasses were investigated by Raman spectra to understand their dependence of structure on composition. Using the present glasses, some hybrid microstructured optical fibers with various dispersion profiles were designed.