NONUNIFORM DISTRIBUTION OF OXYGEN HOLE-CENTERS IN SILICA OPTICAL FIBERS

被引:4
作者
KANNAN, S
FINEMAN, ME
LI, J
SIGEL, GH
机构
[1] Fiber Optic Materials Research Program, Rutgers, State University of New Jersey, Piscataway
关键词
D O I
10.1063/1.110139
中图分类号
O59 [应用物理学];
学科分类号
摘要
This letter reports spatially variant distributions of nonbridging oxygen hole centers (NBOHCs) in pure synthetic silica core optical fibers with fluorine doped silica claddings. Results of low-temperature x-band electron spin resonance (ESR) etchback measurements have established the presence of NBOHCs in increased concentration at the core-clad interfacial region. The observations on a low-OH content silica core fiber are contrasted with that on a high-OH fiber. The correlation between the ESR results and the spatially variant luminescent patterns observed in these fibers during excimer laser irradiation is also discussed.
引用
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页码:3440 / 3442
页数:3
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