Enhanced sensitivity of magneto-optical sensor using defect induced perovskite metal oxide nanomaterial

被引：15

作者：

Rao, Ch N. ^{[1
]}

Dua, Piyush ^{[2
]}

Kuchhal, Piyush ^{[2
]}

Lu, Youming ^{[1
]}

Kale, S. N. ^{[3
]}

Cao, Peijiang ^{[1
]}

机构：

[1] Shenzhen Univ, Coll Mat Sci & Engn, Guangdong Res Ctr Interfacial Engn Funct Mat, Shenzhen Engn Lab Adv Technol Ceram,Shenzhen Key, Shenzhen 518060, Peoples R China

[2] Univ Petr & Energy Studies, Dept Phys, Dehra Dun 248007, Uttarakhand, India

[3] Def Inst Adv Technol, Dept Appl Phys, Pune 411025, Maharashtra, India

来源：

JOURNAL OF ALLOYS AND COMPOUNDS | 2019年 / 797卷

基金：

中国国家自然科学基金;

关键词：

Optical fiber sensor; Fabry-Perot interferometer; Reflectivity; Interference; OPTICAL-PROPERTIES; LINBO3; FIELD; CRYSTALS;

D O I：

10.1016/j.jallcom.2019.05.118

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：

Perovskite metal oxide (LiNbO3) nanomaterial is explored as a magneto-optic sensor. The electromagnetic interaction is described by magneto-optic modulation associated with vacancy-induced room temperature ferromagnetism. The guiding and propagation through single mode fiber (SMF) is via the excitation of core modes through the material-mediated cavity and further modulated by external magnetic field. The sensitivity and resolution of the sensor are found to be 186 p.m./mT and 0.51 Oe, respectively. The structure with material integrated optical design resulting in a Fabry-Perrot interferometer (FPI), is implemented as an extrinsic sensor, and sensing mechanism is elaborated. (C) 2019 Published by Elsevier B.V.

引用

页码：896 / 901

页数：6

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