Optically controllable variable fiber optical attenuator integrated in conventional optical fiber

被引：3
|
作者：
Martincek, Ivan [1 ]
Pudis, Dusan [1 ]
机构：
[1] Univ Zilina, Fac Elect Engn, Dept Phys, SK-01026 Zilina, Slovakia
来源：
OPTIK | 2014年 / 125卷 / 23期
关键词：
Variable fiber optical attenuator; Optical fiber device;
D O I：
10.1016/j.ijleo.2014.08.097
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
New type of optically controllable variable fiber optical attenuator based on thermo-optical effect in liquid cladding of optical fiber is described. The thermo-optical effect in liquid cladding optical fiber causes refractive index contrast changes in core-cladding interface, what enables to change the propagating optical signal power with temperature. The temperature change is achieved by fiber based heating element using laser radiation. Attenuation up to -12 dB was achieved in static dependence and dynamic response confirmed rise time up to 24 ms. (C) 2014 Elsevier GmbH. All rights reserved.
引用
收藏
页码：7085 / 7088
页数：4
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