低损耗芯包结构Ge-Sb-Se硫系玻璃光纤的制备与性能研究  

Preparation and properties of low-loss core-cladding structural Ge-Sb-Se chalcogenide glass fibers

作　　者：许彦涛[1] 郭海涛[1] 陆敏[1] 韦玮[1] 彭波[1] 

机构地区：[1]中国科学院西安光学精密机械研究所瞬态光学与光子技术国家重点实验室,陕西西安710119

出　　处：《红外与激光工程》2015年第1期182-187,共6页Infrared and Laser Engineering

基　　金：国家自然科学基金(61177084)

摘　　要：为解决锗(Ge)基硫系玻璃光纤损耗相对较高等问题,采用物理和化学除杂相结合的工艺,制备出了高纯Ge28Sb12Se60硫系玻璃,显著降低了红外波段C、H、O杂质吸收。应用真空高速旋转法,制备出了壁厚均匀、光学质量优异的Ge28Sb12Se58S2硫系玻璃皮管。采用棒管法拉制出外径50±1.5μm、具有芯包结构的Ge-Sb-Se硫系玻璃光纤,光纤弯曲半径为5 mm,红外波段吸收基线为2.2 d B/m(2.87μm和4.5μm处除外)。For solving the problems about Ge system chalcogenide glass fiber＇s relatively high loss, etc, high-purity Ge28Sb12Se60 glass was prepared by chemical and physical methods of purification. The absorptions caused by C, H, O impurities were obviously reduced in IR band. Ge28Sb12Se58S2 chalcogenide glass tube with precision wall and fine optical properties was prepared by means of tube-rotating technique. Fibers with core-cladding structure were drawn by rod-in-tube method. The diameter of the fiber is 50 ±1.5μm and the bending test showed the diameter of the circle is 5 mm. The fiber loss is 2.2 dB/m （except those at 2.87 and 4.5μm）.

关 键 词：硫系玻璃 Ge-Sb-Se玻璃 杂质消除 棒管法 光纤 

分 类 号：TN213[电子电信—物理电子学] TQ171.77[化学工程—玻璃工业]