Results 11 to 20 of about 90,044 (345)

Reflection-based fibre-optic refractive index sensor using surface plasmon resonance [PDF]

open access: yesJournal of the European Optical Society-Rapid Publications, 2014
A reflection-based fibre-optic refractive index sensor using surface plasmon resonance (SPR) in a thin metal film sputtered on a bare core of a multimode optical fibre is presented.
Hlubina P.   +3 more
doaj   +5 more sources

A study on refractive index sensors based on optical micro-ring resonators

open access: yesPhotonic Sensors, 2017
In this work, the behavior of refractive index sensors based on optical micro-ring resonators is studied in detail. Using a result of waveguide perturbation theory in combination with numerical simulations, the optimum design parameters of the system ...
Georgios N. Tsigaridas
doaj   +3 more sources

Microring resonator refractive index sensor with integrated spectrometer [PDF]

open access: yes2015 IEEE 12th International Conference on Group IV Photonics (GFP), 2015
We present a SOI ring based sensor read-out system. The novelty of the architecture lies in the capability to sense the shifts of multiple peaks simultaneously with an integrated AWG spectrometer.
Ruocco, Alfonso   +2 more
openaire   +5 more sources

Slab Waveguide Sensor with Left-handed Material Core Layer for Detection an Adlayer Thickness and Index [PDF]

open access: yesЖурнал нано- та електронної фізики, 2015
A four-layer slab waveguide structure with a lossy left-handed material (LHM) core layer is investigated as a surface sensor for detection any change in an adlayer thickness and refractive index. The sensitivities of the effective refractive index to any
Hani M. Kullab   +2 more
doaj   +3 more sources

Single mode tapered fiber-optic interferometer based refractive index sensor and its application to protein sensing [PDF]

open access: gold, 2014
We demonstrate refractive index sensors based on single mode tapered fiber and its application as a biosensor. We utilize this tapered fiber optic biosensor, operating at 1550 nm, for the detection of protein (gelatin) concentration in water.
Tarun Yadav   +4 more
openalex   +3 more sources

Design and analysis of an ultra-high sensitive and tunable metal-insulator-metal waveguide-coupled octagonal ring resonator utilizing gold nanorods

open access: yesSensing and Bio-Sensing Research, 2022
In this research paper, we propose a refractive index (RI) based plasmonic nanosensor comprising of metal-insulator-metal (MIM) waveguide and octagonal resonator embedded with gold nanorods.
Nasir Muhammad Munim   +3 more
doaj   +1 more source

A macrobending singlemode fiber refractive index sensor for low refractive index liquids [PDF]

open access: yesPhotonics Letters of Poland, 2010
An all-fiber refractive index sensor with a simple configuration is proposed and investigated. The proposed fiber refractometer consists of a full-loop structure of bare high-bend loss singlemode fiber-1060XP, employing the well-known whispering gallery mode (WGM) effect induced by the evanescent wave excitation to measure the refractive index of an ...
Wang, Pengfei   +4 more
openaire   +5 more sources

Ultra-Long Range Refractive Index Fiber Sensor

open access: yesFrontiers in Sensors, 2022
The dynamic range of optical fiber refractive index sensors is mainly determined by the refractive index (RI) of the sensor surface in contact with the sample under test.
Carmen E. Domínguez-Flores   +5 more
doaj   +1 more source

Optimum design of the surface plasmon resonance sensor based on polymethyl methacrylate fiber

open access: yesPhysics Open, 2021
A novel type of polymethyl methacrylate (PMMA) fiber refractive index sensor based on surface plasmon resonance (SPR) is proposed in this work, which is applied to measure the refractive index of liquid.
Huanzhu Lv   +5 more
doaj   +1 more source

Refractive Index-Based Terahertz Sensor Using Graphene for Material Characterization

open access: yesSensors, 2021
In this paper, a graphene-based THz metamaterial has been designed and characterized for use in sensing various refractive index profiles. The proposed single-band THz sensor was constructed using a graphene-metal hybridized periodic metamaterial wherein
Aruna Veeraselvam   +5 more
doaj   +1 more source

Home - About - Disclaimer - Privacy