Fiber Mach–Zehnder interferometer based on microcavities for high-temperature sensing with high sensitivity

Jiang, Lan; Yang, Jun; Wang, S.; Li, Baichang; Wang, M.

doi:10.1364/ol.36.003753

Cited by 196 publications

(76 citation statements)

References 17 publications

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“…The femtosecond laser is used to fabricate a micro-hole in the center of a fiber end [185]. Then a micro-air-cavity is formed by splicing the micro-structured fiber end with a normal fiber end.…”

Section: Laser Micro-machined Devicesmentioning

confidence: 99%

Recent Developments in Micro-Structured Fiber Optic Sensors

Chen

et al. 2017

Fibers

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Recent developments in fiber-optic sensing have involved booming research in the design and manufacturing of novel micro-structured optical fiber devices. From the conventional tapered fiber architectures to the novel micro-machined devices by advanced laser systems, thousands of micro-structured fiber-optic sensors have been proposed and fabricated for applications in measuring temperature, strain, refractive index (RI), electric current, displacement, bending, acceleration, force, rotation, acoustic, and magnetic field. The renowned and unparalleled merits of sensors-based micro-machined optical fibers including small footprint, light weight, immunity to electromagnetic interferences, durability to harsh environment, capability of remote control, and flexibility of directly embedding into the structured system have placed them in highly demand for practical use in diverse industries. With the rapid advancement in micro-technology, micro-structured fiber sensors have benefitted from the trends of possessing high performance, versatilities and spatial miniaturization. Here, we comprehensively review the recent progress in the micro-structured fiber-optic sensors with a variety of architectures regarding their fabrications, waveguide properties and sensing applications.

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Section: Laser Micro-machined Devicesmentioning

confidence: 99%

Recent Developments in Micro-Structured Fiber Optic Sensors

Chen

et al. 2017

Fibers

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“…The core mode diameter gets increased due to tapering and part of it can be easily coupled to the cladding mode(s).This method is relatively very simple and cost effective but mechanically weak especially at the tapering region. Besides these, MZIs are formed using double cladding fiber [10], micro-cavities [11], and a twin-core fiber [12] …”

Section: Mach Zehnder Interferometer As Sensorsmentioning

confidence: 99%

Machzehnder Interferometer and it’s Applications

Mehra¹,

Tripathi²

2010

IJCA

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This paper describes the design of Mach Zehnder Interferometer and reviews its applications in emerging optical communication networks. Mach Zehnder Interferometer is basically used to measure relative phase shift between two collimated beams from a coherent light source. Using this basic principle a number of devices can be designed, few of these such as optical sensors, all-optical switches, optical add-drop multiplexer and modulator are discussed in this paper.

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“…Compared with conventional electric sensors, a growing interest on temperature sensors based on optical fibers has been arisen due to their well known advantages of immunity to electromagnetic interference, compactness, high accuracy, ease fabrication, and capability of sensing in harsh environment. At present, a variety of optical fiber sensors [1,2], such as Fiber Bragg grating (FBG) [3,4], long-period fiber grating (LPG) [5,6], Mach-Zehnder interferometer(MZI) [7][8][9][10][11][12][13], Fabry-Perot interferometer (F-P) [14][15][16][17] have been studied extensively. In particular, with the method of Michelson interferometer [18][19][20] to measure temperature becomes a new trend.…”

Section: Introductionmentioning

confidence: 99%