Photonic crystal fibre based modal interferometer with four-beam path interference

被引：6
|
作者：
Li, S. -S. [1 ,2 ]
Song, X. -S. [1 ,2 ]
Xu, F. [1 ,2 ]
Lu, Y. -Q. [1 ,2 ]
机构：
[1] Nanjing Univ, Coll Engn & Appl Sci, Nanjing 210093, Peoples R China
[2] Nanjing Univ, Natl Lab Solid State Microstruct, Nanjing 210093, Peoples R China
来源：
ELECTRONICS LETTERS | 2011年 / 47卷 / 12期
基金：
高等学校博士学科点专项科研基金;
关键词：
D O I：
10.1049/el.2011.1145
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：
In recent years, photonic crystal fibre based modal interferometers have been widely investigated. Owing to the nature of Mach-Zenhder-like interference, the sensing range is limited by the sinusoidal spectrum's period. A splicing approach is proposed and demonstrated to achieve unique four-beam interference so that quadrupled sensing range is obtained without reduction in detection limit, which would be much desired in wide range refractive index, pressure and temperature sensing. As an example, a high-temperature sensor ranging from 28 to 484 degrees C is demonstrated.
引用
收藏
页码：719 / 720
页数：2
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