Conditions for surface plasmon resonance excitation by whispering gallery modes in a bent single mode optical fiber for the development of novel refractometric sensors

Kulchin, Yu. N.; Vitrik, Oleg B.; Dyshlyuk, A. V.; Zhou, Zh

doi:10.1088/1054-660x/23/8/085105

Cited by 13 publications

(6 citation statements)

References 12 publications

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“…The best performance of resonance‐based refractometers are generally achieved using SMF but the separation of the fundamental mode propagated in the core from the resonance‐supporting thin‐film by a thick optical cladding generally requires to modify the optical fiber geometry, which can negatively affect the reliability of the device as well as introduce manufacturing issues. The approach presented by the group of Dyshlyuk et al . avoids the need of modifying the SMF geometry by exploiting SPP and whispering gallery mode (WGM) coupling and by analyzing the performance of the obtained devices as a function of the bending radii, which allows obtaining narrower resonances (≈18 nm) and a sensitivity of 5000 nm per RIU in the range of refractive indices between 1.4 and 1.423 for a bending radius of 7.5 mm.…”

Section: Refractometers Based On Thin‐film Resonancesmentioning

confidence: 99%

A Comprehensive Review of Optical Fiber Refractometers: Toward a Standard Comparative Criterion

Urrutia

Villar

Zubiate

et al. 2019

Laser & Photonics Reviews

132

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Thanks to the peculiarities of optical fiber and its ability to be combined with nanotechnology, precise and accurate measurements of the changes in optical properties (i.e., refractive index) of the medium surrounding the fiber are becoming possible with a high degree of performance. Thus, optical fiber sensors (OFSs) are increasingly finding applications in biochemistry and biomedicine. Here, all types of optical fiber refractometers are covered, and they are classified into three main groups: interferometers, grating‐based structures, and resonance‐based structures (the resonance is induced by coating the optical fiber sensor with a thin film). The performance of these different structures is compared by means of the most common parameters: sensitivity, full width at half minimum or maximum, figure of merit, and quality factor. The aim here is to provide a reliable and easy‐to‐use tool to compare the performance of the most recent developments on fiber optic refractometers.

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Section: Refractometers Based On Thin‐film Resonancesmentioning

confidence: 99%

A Comprehensive Review of Optical Fiber Refractometers: Toward a Standard Comparative Criterion

Urrutia

Villar

Zubiate

et al. 2019

Laser & Photonics Reviews

132

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“…Several configurations of the LPFG-assisted SPR fiber sensors have been reported [ 23 , 85 , 86 ]. Recently, LPFGs have been proposed to be used in an SPR fiber sensor implemented by bending a fiber in a loop [ 84 , 87 , 88 ].…”

Section: Plasmonic Fiber Sensor Designsmentioning

confidence: 99%

Plasmonic Fiber Optic Refractometric Sensors: From Conventional Architectures to Recent Design Trends

Klantsataya

Jia

Ebendorff-Heidepriem

et al. 2016

Sensors

171

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Surface Plasmon Resonance (SPR) fiber sensor research has grown since the first demonstration over 20 year ago into a rich and diverse field with a wide range of optical fiber architectures, plasmonic coatings, and excitation and interrogation methods. Yet, the large diversity of SPR fiber sensor designs has made it difficult to understand the advantages of each approach. Here, we review SPR fiber sensor architectures, covering the latest developments from optical fiber geometries to plasmonic coatings. By developing a systematic approach to fiber-based SPR designs, we identify and discuss future research opportunities based on a performance comparison of the different approaches for sensing applications.

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“…The SPR phenomenon is described as the excitation of a charge density oscillation in the metal, accompanying the transverse magnetic (TM) surface wave propagating along the metal/dielectric interface. Several SPR device configurations, including attenuated-totalreflection (ATR) [6], optical fiber/waveguide [7] and grating coupler [8], have been used to excite the SPR. The intensity and phase variation of the output light which accompanies the SPR occurrence can be used to determine the index of the medium.…”

Section: Introductionmentioning

confidence: 99%

Sensitivity enhancement of magneto-optic surface plasmon resonance sensors with noble/ferromagnetic metal heterostructure

2014

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This paper reports strategies of sensitivity enhancement for magneto-optic surface plasmon resonance (MOSPR) sensors using metal heterostructure for two types of measured signals, ordinary and normalized reflectivity changes ( R PP and R PP /R PP ). The sensitivities using the R PP and R PP /R PP signals are effectively enhanced with the improvement as large as 58.91% and several orders by adjusting the device parameters. This paper demonstrates the occurrence of the maximal sensitivities for the R PP and R PP /R PP signals at different incident angles and composite film parameters for the first time. The sensing using the R PP /R PP signal requires a smaller total film thickness, a larger thickness ratio of the Co/Au film and a smaller thickness ratio of the underlay/overlay Au film than that using the R PP signal. Besides, the sensing using the R PP /R PP signal has a much higher sensitivity than that using the R PP signal. The conditions for maximal sensitivity and the physics of sensitivity enhancement for MOSPR sensors are also discussed. The newly-discovered ultra-high sensitivity using the R PP /R PP signal, which is several orders larger than that in the literature, has strict parameter tolerance and its realization requires accurate tuning of the device parameters.

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Conditions for surface plasmon resonance excitation by whispering gallery modes in a bent single mode optical fiber for the development of novel refractometric sensors

Cited by 13 publications

References 12 publications

A Comprehensive Review of Optical Fiber Refractometers: Toward a Standard Comparative Criterion

A Comprehensive Review of Optical Fiber Refractometers: Toward a Standard Comparative Criterion

Plasmonic Fiber Optic Refractometric Sensors: From Conventional Architectures to Recent Design Trends

Sensitivity enhancement of magneto-optic surface plasmon resonance sensors with noble/ferromagnetic metal heterostructure

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