Micro-Structure Ring Fiber-Based Novel Magnetic Sensor with High Birefringence and High Sensitivity Response in Broad Waveband

被引：13

作者：

Mitu, Sumaiya Akhtar ^{[1
]}

Ahmed, Kawsar ^{[1
,2
]}

Al Zahrani, Fahad Ahmed ^{[3
]}

Abdullah, Hasan ^{[1
]}

Hossain, Md. Nadim ^{[1
]}

Paul, Bikash Kumar ^{[1
,2
,4
]}

机构：

[1] Mawlana Bhashani Sci & Technol Univ, Dept Informat & Commun Technol, Tangail 1902, Santosh, Bangladesh

[2] Mawlana Bhashani Sci & Technol Univ, Biophotomatix Grp, Tangail 1902, Santosh, Bangladesh

[3] Umm Al Qura Univ, Comp Engn Dept, Mecca 24381, Saudi Arabia

[4] Daffodil Int Univ, Dept Software Engn, Dhaka 1207, Bangladesh

来源：

PLASMONICS | 2021年 / 16卷 / 03期

关键词：

Birefringence; Magnetic fluid; Magnetic field sensor; Coupling length; Photonic crystal fiber (PCF); SAGNAC INTERFEROMETER; TEMPERATURE; FIELD;

D O I：

10.1007/s11468-020-01347-9

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

The magnetic fluid sensor is proposed and numerically investigated by using finite-element-method (FEM) based on the photonic crystal fiber (PCF) with butterfly-shaped air holes and a ring core. Ethanol is used as a magnetic fluid that is injected in the ring core which provides unique characteristics. The goal of the proposed structure is to gain a better response to birefringence and relative sensitivity. In this work, the observed birefringence is 1.27x10(-2); the sensitivity responses are 40 nm/Oe, and 94047.13 nm/RIU can be gained for the variations of magnetic field strength from 50 to 200 Oe and 200 Oe, respectively. With best of knowledge, this sensitivity response is the highest response in the magnetic sensing. For better sensing performance the proposed butterfly structure can be used in the bio-optics field and nanofluidic technologies.

引用

页码：905 / 913

页数：9

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