Results 41 to 50 of about 303,599 (379)
Optics Express, 2021 This article presents a refractive index (RI) nanosensor utilizing gold as the plasmonic material. The layout of the sensor includes metal-insulator-metal (MIM) waveguides coupled with a cog-shaped resonator studded with gold nanorods.
K. Rashid +4 more
semanticscholar +1 more source
High Sensitivity Refractive Index Sensor by D-Shaped Fibers and Titanium Dioxide Nanofilm
Advances in Condensed Matter Physics, 2018 This paper presents a high sensitivity liquid refractive index (RI) sensor based on lossy mode resonance (LMR) effect. The D-shaped fibers coated with nanosized titanium dioxide (TiO2) thin film as a sensing head were submerged into different refractive ...
Chuen-Lin Tien, Hong-Yi Lin, Shu-Hui Su
doaj +1 more source
A Highly Magnetic Field Sensitive Photonic Crystal Fiber Based on Surface Plasmon Resonance
Sensors, 2020 A novel magnetic field sensor comprising a photonic crystal fiber (PCF) is designed and investigated based on surface plasmon resonance (SPR). We use finite element analysis in order to analyze the sensing characteristics of the magnetic field sensor ...
Huimin Huang +6 more
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Research Paper: Design of Simple Plasmonic Sensors based on Graphene Circles in THZ Region [PDF]
فیزیک کاربردی ایران, 2023 The design of optical sensors in the THz region for application in various fields of biological and medical sciences has significantly expanded in the last two decades.
Fatemeh Mehdizadeh +1 more
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Numerical investigation into a surface plasmon resonance sensor based on optical fiber microring
Photonic Sensors, 2017 A reflective surface plasmon resonance (SPR) sensor based on optical fiber microring is proposed. In such a sensor, plasmons on the outer surface of the metallized channels containing analyte can be excited by a fundamental mode of a thin-core fiber (TCF)
Chunliu Zhao +3 more
doaj +1 more source
Dual-wavelength Highly-sensitive refractive index sensor
Optics Express, 2017 We report and demonstrate a highly-sensitive refractive index (RI) sensor based on a linear-cavity dual-wavelength erbium-doped fiber laser (DWEDFL). The optical spectrum of the laser varies as the external environmental RI changes from 1.3 to 1.335.
Shun, Wang +4 more
openaire +2 more sources
Bent Fiber Sensor for Preservative Detection in Milk
Sensors, 2016 A fiber optic sensor sensitive to refractive index changes of the outer region of the fiber cladding is presented. The sensor uses bent plastic optical fibers in different bending lengths to increase sensitivity.
Omer Galip Saracoglu, Sekip Esat Hayber
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Modeling of gold circular sub-wavelength apertures on a fiber endface for refractive index sensing [PDF]
, 2012 A finite-difference time-domain approach was used to investigate the excitation of surface plasmons of the circular sub-wavelength apertures on an optical fiber endface.
Baxter, Gregory W +5 more
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Optical Materials Express, 2021 In this paper, we propose a high-performance refractive-index sensor at a near-infrared band based on a hybrid Tamm structure. The optical properties of this graphene-based hybrid Tamm plasmonic structure are analyzed and investigated by using the ...
Jinlei Hu +5 more
semanticscholar +1 more source
Graphene oxide-coated Long Period Grating-based fibre optic sensor for relative humidity and external refractive index [PDF]
, 2017 IEEE Graphene oxide is a very attractive material for refractive index and humidity sensing due to its unique two-dimensional structure, which results in faster response times and improved sensitivity over alternative materials.
Dissanayake, K. P. W. +4 more
core +1 more source