双卤化物共掺新型硫系多光谱玻璃的制备及性能

利用传统熔融-淬冷工艺制备了65GeS2-15Ga2S3-(20-x)CsCl-xCsI(x=0, 5, 10, 15, 20)系列硫卤玻璃；通过测试该系列玻璃样品的密度、显微硬度、可见/近红外吸收光谱、红外透射光谱、喇曼谱、XRD衍射谱、玻璃转变温度等，对其进行了系统研究.结果表明：该系列玻璃具有较宽的成玻范围，在0.42～12 μm范围内具有良好的透过率;随着CsI含量（mol%）的增加，玻璃的密度逐渐增大；随着CsCl含量（mol%）的增加，光学带隙以及硬度逐渐增大；玻璃样品的玻璃转变温度随Cl－、I－的共掺比例发生明显变化, 当Cl－（mol%）：I－（mol%）=1时，玻璃转变温度最低.

Abstract

A series of 65GeS2-15Ga2S3-(20-x)CsCl-xCsI(x=0, 5, 10, 15, 20) chalcogenide glasses were prepared by the traditional melt-quenching method. By means of the measurement of the density, micro-hardness, Visible-Near Infrared absorption spectra, Infrared optical transmission spectra, Raman spectra, X-ray diffraction curves and glass transition temperature Tg, the optical characters of this kind of glasses were studied systematically. The results show that, the series of glass samples have a wide composition range of glass formation and a good transparency in the entire 0.42～12 μm spectral region . With increasing of the content of the CsI, the density increases progressively. With increasing of the content of the CsCl, the optical band gap and microhardness increase gradually. Tg of glass samples changes with the change of the molar ratio of Cl－/I－. When the ratio located at 1, Tg hits its rock bottom.

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张腾宇, 聂秋华, 王训四, 沈祥, 王国祥, 祝清德, 戴世勋, 李均鹏, 张瑞. 双卤化物共掺新型硫系多光谱玻璃的制备及性能[J]. 光子学报, 2016, 45(10): 1016002. ZHANG Teng-yu, NIE Qiu-hua, WANG Xun-si, SHEN Xiang, WANG Guo-xiang, ZHU Qing-de, DAI Shi-xun, LI Jun-peng, ZHANG Rui. Preparation and Properties of Novel Dual Halide Co-doped Chalcogenide Multispectral Glasses[J]. ACTA PHOTONICA SINICA, 2016, 45(10): 1016002.

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