Optical Sensing Using Fiber-Optic Multimode Interference Devices: A Review of Nonconventional Sensing Schemes

被引:52
作者
Guzman-Sepulveda, Jose Rafael [1 ]
Guzman-Cabrera, Rafael [2 ]
Castillo-Guzman, Arturo Alberto [3 ]
机构
[1] IPN, Ctr Invest & Estudios Avanzados, Unidad Monterrey, Via Conocimiento 201, Apodaca 66600, Nuevo Leon, Mexico
[2] Univ Guanajuato, Dept Ingn Elect, Div Ingn, Campus Irapuato Salamanca, Salamanca 36730, Mexico
[3] Univ Autonoma Nuevo Leon, Fac Ciencias Fis Matemat, San Nicolas De Los Garza 66455, Nuevo Leon, Mexico
关键词
fiber-optic sensors; multimode interference phenomena; optical sensing; PRESSURE SENSOR; SENSITIVITY ENHANCEMENT; IMAGE-FORMATION; FIBERS; FERROFLUIDS; OBJECTS; FLUIDS;
D O I
10.3390/s21051862
中图分类号
O65 [分析化学];
学科分类号
070302 ; 081704 ;
摘要
We review fiber-based multimode interference (MMI) devices with a particular focus on optical fiber-based sensing applications. The present review complements a recently published, extensive review where the sensing of conventional physical variables such as refractive index, temperature, displacement, and strain was covered. This review focuses on MMI fiber sensors for nonconventional physical variables, including mechanical, electromagnetic, chemical, and optical, covering around fifteen years of work in the field. Finally, by the end of this paper, we also review some new trends of MMI-based schemes based on polymer fibers, for wavelength-locking applications, for retrieving the thermo-optic coefficient of liquid samples, and for measuring the dynamics of complex fluids.
引用
收藏
页码:1 / 21
页数:21
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