Results 11 to 20 of about 89,955 (290)

Figure of Merit Enhancement of a Surface Plasmon Resonance Sensor Using a Low-Refractive-Index Porous Silica Film

Sensors, 2017
In this paper; the surface plasmon resonance (SPR) sensor with a porous silica film was studied. The effect of the thickness and porosity of the porous silica film on the performance of the sensor was analyzed.
Qing-Qing Meng, Xin Zhao, Cheng-You Lin, Shu-Jing Chen, Ying-Chun Ding, Zhao-Yang Chen   +5 more
doaj   +3 more sources

Design of Ultra-Narrow Band Graphene Refractive Index Sensor. [PDF]

Sensors (Basel), 2022
Shangguan Q, Chen Z, Yang H, Cheng S, Yang W, Yi Z, Wu X, Wang S, Yi Y, Wu P.   +9 more
europepmc   +2 more sources

High Sensitivity and Wide Range Refractive Index Sensor Based on Surface Plasmon Resonance Photonic Crystal Fiber

Sensors, 2023
In order to detect the refractive index (RI) of high refractive index materials such as trichlorobenzene and aniline in the near-infrared and mid-infrared spectra and expand the detection range of the refractive index, a surface plasmon resonance (SPR ...
Fengmin Wang, Yong Wei, Yanhong Han
doaj   +1 more source

Optical Waveguide Refractive Index Sensor for Biochemical Sensing

Applied Sciences, 2023
This study describes the basic principles of optical waveguide refractive index sensing and the various design structures of refractive index sensors. These waveguides generate different optical resonances, which cause changes in the sensing refractive ...
Cheng Peng, Changjin Yang, Huan Zhao, Lei Liang, Chuantao Zheng, Chen Chen, Li Qin, Hui Tang   +7 more
doaj   +1 more source

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

Sensing 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, Tahmina Tabassum Treena, Mohammad Rakibul Islam, Mirza Muntasir Nishat   +3 more
doaj   +1 more source

Ultra-Long Range Refractive Index Fiber Sensor

Frontiers 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, Alessandra I. Valdés-Hernández, Ana Karen Reyes, David Monzón-Hernández, Osvaldo Rodríguez-Quiroz, Raúl Ochoa-Valiente   +5 more
doaj   +1 more source

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

Photonics 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, Semenova, Yuliya, Li, Yong, Wu, Qiang, Farrell, Gerald   +4 more
openaire   +4 more sources

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

Physics 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, Kefei Zhang, Xiaocui Ma, Wenbo Zhong, Yaxin Wang, Xiang Gao   +5 more
doaj   +1 more source

Refractive Index-Based Terahertz Sensor Using Graphene for Material Characterization

Sensors, 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, Gulam Nabi Alsath Mohammed, Kirubaveni Savarimuthu, Jaume Anguera, Jessica Constance Paul, Ram Kumar Krishnan   +5 more
doaj   +1 more source

A Highly Sensitive Refractive Index Sensor Based on a V-Shaped Photonic Crystal Fiber with a High Refractive Index Range. [PDF]

Sensors (Basel), 2021
Yan X, Fu R, Cheng T, Li S.
europepmc   +2 more sources