Multimode-interference-structure optical-fiber temperature sensor with high sensitivity

Fukano, Hideki; Kushida, Yohei; Taue, Shuji

doi:10.1587/elex.10.20130812

Cited by 14 publications

(10 citation statements)

References 9 publications

(8 reference statements)

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“…A SMS fiber structure used in combination with a uniform Bragg grating [9] and an enhanced evanescent field fiber sensor based on a tapered MMF sandwiched between two SMFs [10] have also been reported for refractive index measurement. Regarding the use of a coreless silica fiber as sensing device, some works have also been reported for the measurement of refractive index [11] and temperature [12], however the measurements were usually based on a transmission scheme [13], [14].…”

Section: Introductionmentioning

confidence: 99%

Optical Fiber Tip Sensor for the Measurement of Glucose Aqueous Solutions

Novais

Ferreira

et al. 2018

IEEE Photonics J.

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A reflective fiber optic sensor based on multimode interference for the measurement of refractive index variations in glucose aqueous solutions is proposed. The sensor is fabricated by splicing a short section of coreless silica fiber to standard single mode fiber. The influence of the coreless fiber dimensions on the sensor performance is analyzed. By changing the sensor length, no significant impact is observed. However, the reduction of the sensing head diameter leads to a large improvement of the sensitivity. The smaller sensor, with a length of 5 mm and a diameter of 24 μm, presents a maximum sensitivity of 1467.59 nm/RIU, for the refractive index range between 1.364 and 1.397 RIU. Taking into account the acquisition system, a maximum theoretical resolution of 6.8 × 10 −5 RIU is achieved.

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Section: Introductionmentioning

confidence: 99%

Optical Fiber Tip Sensor for the Measurement of Glucose Aqueous Solutions

Novais

Ferreira

et al. 2018

IEEE Photonics J.

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“…Whereas in second method the polymers used to produce various component for different applications (Enemuo et al 2018;Qian et al 2011;Wang et al 2013). The most suitable method for the recycling optical fiber is mechanical method.in general, optical fibers present different advantageous like light weight, electromagnetic fields immunity, having chemical stability, allow multiplexing manuscript and being compact (Fukano et al 2013;Du et al 2017;Wang et al 2015;Azmand et al 2021). Hence these benefits enable fibers in different performance such as sensors.…”

Section: Introductionmentioning

confidence: 99%

Sensing enhancement of nanostructure surface plasmon resonance in optical fiber ring resonator

Afroozeh

2021

Opt Quant Electron

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We propose and demonstrate a novel passive optical-fiber sensor based on surface plasmon resonance (SPR) by fabricating a configuration on metal-dielectric materials. We use a single-mode fiber to harness the transmission light. In the proposed structure, the injected refractive index on ring and fiber is controlled by the FDTD method; thus, the resonance wavelength of the fiber SPR shifts. This is the mechanism of the proposed structure. We also investigate several performance parameters such as FOM, and sensitivity and by applying silicon optical fiber can improve the sensitivity. Comparing with the reported numerical and measurements based on an optical fiber structure, the experimental results based on fiber ring resonator present good agreement and therefore the proposed structure open a new path to optical fiber sensors.

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“…We have demonstrated the high temperature sensitivity of an MMI sensor even with a solid cladding material instead of a liquid. 16) In this study, we clarify the mechanism underlying the high temperature sensitivity of the MMI sensor with a solid cladding material and describe a method of designing the parameters of a solid cladding material to obtain high sensitivity. The relationship between the wavelength shift of the MMI signal and the temperature in an MMI structure, where the MMF was coated with temperature-sensitive solid materials, is investigated.…”

Section: Introductionmentioning

confidence: 99%

Sensitivity improvement of optical-fiber temperature sensor with solid cladding material based on multimode interference

Fukano

Kushida

Taue

2015

Jpn. J. Appl. Phys.

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We have developed a simple, high-sensitivity optical-fiber temperature sensor based on multimode interference (MMI). The fabricated MMI structure comprises three segmented fibers: a single-mode fiber (SMF); a large-core multimode fiber (MMF), whose outer surface is coated with a temperature-sensitive material; and another SMF. Fluoroacrylate and silicone rubber are tested as temperature-sensitive cladding materials. The silicone rubber coating exhibits a large shift in interference wavelength with temperature, producing a very fine temperature resolution as low as 0.01 °C.

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Multimode-interference-structure optical-fiber temperature sensor with high sensitivity

Cited by 14 publications

References 9 publications

Optical Fiber Tip Sensor for the Measurement of Glucose Aqueous Solutions

Optical Fiber Tip Sensor for the Measurement of Glucose Aqueous Solutions

Sensing enhancement of nanostructure surface plasmon resonance in optical fiber ring resonator

Sensitivity improvement of optical-fiber temperature sensor with solid cladding material based on multimode interference

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