长期阻碍热成像系统获得商业应用的重要原因之一在于昂贵的成本,其中光学部件占很大比重.本综述介绍的低成本、高性能硫系玻璃是取代昂贵的单晶锗应用于热成像仪光学系统的候选材料.采用表面涂抗反射膜的方法可提高玻璃的红外透过率至97%,而通过特定的组成设计和晶化处理在玻璃的网络结构中引入纳米尺度的微晶,可显著改善硫系玻璃的热、机械性能,同时保持原有的红外光学透过性能.用于非晶态材料的精密模压成型工艺则可使加工成本较之用于晶体材料的单点金刚石车削工艺有显著降低,可加工包括球面、非球面和非球面衍射棱镜在内的多种硫系玻璃光学元件.以此为光学部件的标准小型非冷却式非晶硅探测器已研制成功,其性能与以单晶锗棱镜为光学系统的同类探测器相当,全系统温度分辨率达0.1℃.
参考文献
| [1] | CHEN Guorong;Cheng Jijian .Relationship between the Average Coordination Number and Properties of chalconitride glasses[J].Journal of the American Ceramic Society,1998,71(06):1695-1697. |
| [2] | J. S. Sanghera;I. D. Aggarwal .Active and passive chalcogenide glass optical fibers for IR applications: a review[J].Journal of Non-Crystalline Solids: A Journal Devoted to Oxide, Halide, Chalcogenide and Metallic Glasses, Amorphous Semiconductors, Non-Crystalline Films, Glass-Ceramics and Glassy Composites,1999(0):6-16. |
| [3] | Zhang XH.;Guimond Y.;Bellec Y. .Production of complex chalcogenide glass optics by molding for thermal imaging[J].Journal of Non-Crystalline Solids: A Journal Devoted to Oxide, Halide, Chalcogenide and Metallic Glasses, Amorphous Semiconductors, Non-Crystalline Films, Glass-Ceramics and Glassy Composites,2003(0):519-523. |
| [4] | CHEN Guorong;Cheng Jijian;Chen Wei .Properties of Ge-Si-As-Se-Te-N system chalconitride glasses[J].Glass Technology,1996,37(04):133-136. |
| [5] | Noritaka Saito;Kentaro Kai;Shingo Furusho .Properties of Nitrogen-Containing Yttria-Alumina-Silica Melts and Glasses[J].Journal of the American Ceramic Society,2003(4):711-716. |
| [6] | 程继健 .As-Ge-Se系统玻璃的微晶化[J].硅酸盐学报,1981,9(04):395-402. |
| [7] | Ma HL.;Zhang XH.;Lucas J. .Infrared transmitting chalcogenide glass ceramics[J].Journal of Non-Crystalline Solids: A Journal Devoted to Oxide, Halide, Chalcogenide and Metallic Glasses, Amorphous Semiconductors, Non-Crystalline Films, Glass-Ceramics and Glassy Composites,2003(3):270-274. |
| [8] | 聂佳相;赵东辉;陈玮.中国硅酸盐学会2003年学术会年会论文摘要集[M].北京:中国硅酸盐学会,2003:163. |
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