An Optical Fiber Curvature Sensor Based on Two Peanut-Shape Structures Modal Interferometer

Gong, Huaping; Xiao, Yang; Ni, Kai; Chen, Zhao; Dong, Xinyong

doi:10.1109/lpt.2013.2288978

Cited by 121 publications

(34 citation statements)

References 14 publications

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“…The enlarged-waist tapers could also be used to excite cladding modes and couple them back to the fiber core. By concatenating two up-tapers along the fiber [50][51][52][53][54][55][56][57][58][59], the in-line MZI owns similar performance as the normal abrupt taper-based interferometer. Another type of abrupt taper is the S-taper, which is tapered by a fusion splicer with a non-axial pull as shown in Figure 3b.…”

Section: Short Tapermentioning

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: Short Tapermentioning

confidence: 99%

Recent Developments in Micro-Structured Fiber Optic Sensors

Chen

et al. 2017

Fibers

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“…It should use the same parameters to fabricate the other Peanut-Shape structure at the other end of the SMF. Due to the error of the size is small, the fabrication process is repeatable [12]. The light which comes from the optical power source enters the first Peanut-Shape structure, the cladding modes are excited and part of the light propagate inside the middle fiber cladding region.…”

Section: Design and Principlementioning

confidence: 99%

Refractometer based on Mach–Zehnder interferometer with peanut-shape structure

Huang

et al. 2015

Optics Communications

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“…Basically, optical fibers are made up of three parts [15]; the core, cladding and the coating. The core is where the light transmission occurs; it is made of either plastic or glass.…”

Section: Introductionmentioning

confidence: 99%

Choosing a Better Delay Line Medium between Single-Mode and Multi-Mode Optical Fibers: the Effect of Bending

Imam

Isiyaku

Isah

et al. 2017

PoS

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Abstract. Optical fiber cables are materials whose core is made of silica and other materials such as chalcogenide glasses; they transmit a digital signal via light pulses through an extremely thin strand of glass. The light propagates and is being guided by the core which is surrounded by the cladding. Light travels in the optical fiber in the form of total internal reflection in the core of the fibers. The flexibility, low tensile strength, low signal loss, high bandwidth and other characteristics of optical fibers favors it for use as a delay medium in many applications. Another favorable characteristic of optical fiber delay lines is are their relative insensitivities to environmental effects and electromagnetic interferences. The immunity of optical fibers to interferences and their less weight added advantages to it for use as delay medium. Single-mode and multi-mode are the two most popular types of optical fibers. Single-mode fibers have good propagation and delay properties with a minimal loss that allows the signal to propagate in a large distance with insignificant distortion or attenuation. The percentage of power transmission of single-mode fibers is found to be higher than that of the multi-mode fibers. It is, therefore, a preferred type for use as a delay line. In this paper, relative studies of the two optical fibers modes, and the results of power input/output measurement of the two modes are presented with a view to coming up with a better type for use as a delay medium.

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An Optical Fiber Curvature Sensor Based on Two Peanut-Shape Structures Modal Interferometer

Cited by 121 publications

References 14 publications

Recent Developments in Micro-Structured Fiber Optic Sensors

Recent Developments in Micro-Structured Fiber Optic Sensors

Refractometer based on Mach–Zehnder interferometer with peanut-shape structure

Choosing a Better Delay Line Medium between Single-Mode and Multi-Mode Optical Fibers: the Effect of Bending

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