RAMAN MICROSCOPE ANALYSIS OF GASEOUS AND SOLID INCLUSIONS IN FLUORIDE GLASS OPTICAL FIBERS

被引:7
作者
BOWDEN, M
DIXON, NM
GARDINER, DJ
CARTER, SF
机构
[1] Department of Chemical and Life Sciences, Newcastle upon Tyne Polytechnic, Newcastle upon Tyne, NE1 8ST, Ellison Place
[2] British Telecom Research Laboratories, Martlesham Heath, Ipswich, IP5 7RE, Suffolk
关键词
D O I
10.1007/BF00716014
中图分类号
TM [电工技术]; TN [电子技术、通信技术];
学科分类号
0808 ; 0809 ;
摘要
Raman microscopy has been used as a non-destructive technique for analysing gaseous or solid inclusions in optical fibres or preforms. Two alternative Raman geometries using 90° and 180° scattering were evaluated, and the latter found to be more effective for these samples. Examples of glass inclusion analysis are provided by the identification of 10 μm LaF3 microcrystals, oxygen in 4 μm diameter bubbles and the differentiation of carbon allotropes in fluoride glass fibres. © 1990 Chapman and Hall Ltd.
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页码:34 / 38
页数:5
相关论文
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