Optical transmittance degradation in tapered fibers

被引：49
|
作者：
Fujiwara, Masazumi [1 ,2 ]
Toubaru, Kiyota [1 ,2 ]
Takeuchi, Shigeki [1 ,2 ]
机构：
[1] Hokkaido Univ, Res Inst Elect Sci, Sapporo, Hokkaido 0010021, Japan
[2] Osaka Univ, Inst Sci & Ind Res, Osaka 5670047, Japan
来源：
OPTICS EXPRESS | 2011年 / 19卷 / 09期
关键词：
SUPERCONTINUUM GENERATION; SPECTROSCOPY; SYSTEM;
D O I：
10.1364/OE.19.008596
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
We investigated the cause of optical transmittance degradation in tapered fibers. Degradation commences immediately after fabrication and it eventually reduces the transmittance to almost zero. It is a major problem that limits applications of tapered fibers. We systematically investigated the effect of the dust-particle density and the humidity on the degradation dynamics. The results clearly show that the degradation is mostly due to dust particles and that it is not related to the humidity. In a dust free environment it is possible to preserve the transmittance with a degradation of less than the noise (+/- 0.02) over 1 week. (C) 2011 Optical Society of America
引用
收藏
页码：8596 / 8601
页数：6
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