Tunable Characteristics and Mechanism Analysis of the Magnetic Fluid Refractive Index With Applied Magnetic Field

被引：66

作者：

Zhao, Yong ^{[1
,2
]}

Wu, Di ^{[1
]}

Lv, Ri-Qing ^{[1
]}

Ying, Yu ^{[1
]}

机构：

[1] Northeastern Univ, Coll Informat Sci & Engn, Shenyang 110819, Peoples R China

[2] Northeastern Univ, State Key Lab Synthet Automat Proc Ind, Shenyang 110819, Peoples R China

来源：

IEEE TRANSACTIONS ON MAGNETICS | 2014年 / 50卷 / 08期

基金：

中国国家自然科学基金;

关键词：

Fresnel reflection; magnetic fluid (MF); Monte Carlo; refractive index; SENSOR;

D O I：

10.1109/TMAG.2014.2310710

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：

The tunable refractive index of the magnetic fluid (MF) is a unique optical property, which has attracted a lot of research interest in recent years. In this paper, a method based on the Fresnel reflection at the fiber end face is presented. Experimental measurements are carried out to investigate the magnetic field (intensity and direction) and temperature-dependent refractive index of the MF. For a given concentration, with the increase of the magnetic field intensity, the nMF increases gradually when H//Light, while decreases when H perpendicular to Light. The effect of temperature on nMF is relatively insignificant with the sensitivity of -8 x 10(-5)/degrees C. In addition, the mechanism is analyzed from the point of the microstructure by the Monte Carlo method.

引用

页数：5

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