Origin of microinhomogeneities in As-S-Se glass fibers fabricated by the double-crucible method

被引：16
|
作者：
Churbanov, M. F.
Shiryaev, V. S.
Pushkin, A. A.
Gerasimenko, V. V.
Suchkov, A. I.
Polyakov, V. S.
Koltashev, V. V.
Plotnichenko, V. G.
机构：
[1] Russian Acad Sci, Inst Chem High Pur Substances, Nizhnii Novgorod 603950, Russia
[2] Russian Acad Sci, Prokhorov Gen Phys Inst, Fiber Opt Res Ctr, Moscow 119991, Russia
来源：
INORGANIC MATERIALS | 2007年 / 43卷 / 04期
基金：
俄罗斯基础研究基金会;
关键词：
Optical Loss; Chalcogenide Glass; Phase Segregation; Differential Scanning Calorimetry Data; Parent Glass;
D O I：
10.1134/S002016850704019X
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The optical losses in sulfoselenide glass fibers fabricated by the double-crucible method are shown to rise in going from the first-drawn portion to the back end of the fiber. Optical microscopy, IR and Raman spectroscopy, energy-dispersive x-ray microanalysis, and differential scanning calorimetry data indicate that fiber drawing is accompanied by the development of microinhomogeneities of the chemical and phase compositions of the melt, which are responsible for the increased scattering losses. The microinhomogeneities originate from phase segregation of the molten glass.
引用
收藏
页码：436 / 440
页数：5
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