Results 11 to 20 of about 7,236 (298)

Quantification of hCG Hormone Using Tapered Optical Fiber Decorated with Gold Nanoparticles [PDF]

Sensors, 2023
In this study, a novel technique for the quantification of the human chorionic gonadotropin (hCG) hormone using localized surface plasmons and a tapered optical fiber decorated with gold nanoparticles (Au-NPs) is reported.
David Saúl Villegas-Cantoran, Placido Zaca-Morán, Celia Lizeth Gómez, Arnulfo Luis-Ramos, Jesús Manuel Muñoz-Pacheco, Luz del Carmen Gómez-Pavón, Dulce Natalia Castillo-López   +6 more
core   +4 more sources

Tapered Optical Fiber Sensor Coated with Single-Walled Carbon Nanotubes for Dye Sensing Application [PDF]

Micromachines, 2023
The present study aimed to improve the optical sensing performance of tapered optical fiber sensors toward aqueous Rhodamine B solution of different concentrations by applying single-walled carbon nanotubes (SWCNTs).
Aleksandr A. Polokhin, Yuri P. Shaman, Pavel A. Itrin, Ivan S. Panyaev, Artem A. Sysa, Sergey V. Selishchev, Evgeny P. Kitsyuk, Alexander A. Pavlov, Alexander Yu. Gerasimenko   +8 more
doaj   +2 more sources

Tapered Optical Fiber Optofluidics: Bridging In-Fiber and Outside-Fiber Architectures Toward Autonomous Lab-on-Fiber Biosensing [PDF]

Sensors
Optical fiber-based biosensors have proven to be a powerful platform for chemical and biological analysis due to their compact size, fast response, high sensitivity, and immunity to electromagnetic interference.
Alba Lako, Marzhan Sypabekova
doaj   +2 more sources

Tapered Fiber Bioprobe Based on U-Shaped Fiber Transmission for Immunoassay [PDF]

Biosensors, 2023
In this paper, a tapered fiber bioprobe based on Mach–Zehnder interference (MZI) is proposed. To retain the highly sensitive straight-tapered fiber MZI sensing structure, we designed a U-shaped transmission fiber structure for the collection of ...
Zhiyao Ning, Jinghan Zhang, Xuejin Li, Lei Xiao, Xueming Hong, Yuzhi Chen, Hao Yuan, Xinghong Chen, Duo Yi   +8 more
core   +3 more sources

Optical Properties of a Tapered Optical Fiber Coated with Alkanes Doped with Fe₃O₄ Nanoparticles [PDF]

Sensors, 2022
The presented research shows the possibilities of creating in-line magnetic sensors based on the detection of changes of light propagation parameters, especially polarization, obtained by mixing Fe3O4 nanoparticles with hexadecane (higher alkane ...
Karol A. Stasiewicz, Iwona Jakubowska, Joanna E. Moś, Paweł Marć, Jan Paczesny, Rafał Zbonikowski, Leszek R. Jaroszewicz   +6 more
doaj   +2 more sources

Tapered Optical Fiber Functionalized with Palladium Nanoparticles by Drop Casting and Laser Radiation for H2 and Volatile Organic Compounds Sensing Purposes [PDF]

Sensors, 2017
A comparative study on the sensing properties of a tapered optical fiber pristine and functionalized with the palladium nanoparticles to hydrogen and volatile organic compounds (VOCs), is presented.
Nancy Elizabeth González-Sierra, Luz del Carmen Gómez-Pavón, Gerardo Francisco Pérez-Sánchez, Arnulfo Luis-Ramos, Plácido Zaca-Morán, Jesús Manuel Muñoz-Pacheco, Fernando Chávez-Ramírez   +6 more
doaj   +2 more sources

Spiral-Grating Tapered Gold Tip Used for Micro-Nanoscale Multi-Functional Sensing [PDF]

Sensors
Optical fiber surface plasmon resonance (SPR) sensing, as a label-free, highly sensitive, rapid-response and in situ detection technology, has demonstrated significant utility in various physical, chemical and biological detection applications.
Rongtao Huang, Yuxin Chen, Zhi-Yuan Li
doaj   +2 more sources

High Sensitivity Refractometer Based on TiO2-Coated Adiabatic Tapered Optical Fiber via ALD Technology [PDF]

Sensors, 2016
Atomic layer deposition (ALD) technology is introduced to fabricate a high sensitivity refractometer based on an adiabatic tapered optical fiber. Different thicknesses of titanium dioxide (TiO2) nanofilm were coated around the tapered fiber precisely and
Shan Zhu, Fufei Pang, Sujuan Huang, Fang Zou, Qiang Guo, Jianxiang Wen, Tingyun Wang   +6 more
doaj   +2 more sources

Absorbance response of graphene oxide coated on tapered multimode optical fiber towards liquid ethanol [PDF]

Journal of the European Optical Society-Rapid Publications, 2015
The investigation of graphene oxide (GO) for sensing applications is attractive due to its nanoscale structure and its sensing properties has yet to be fully understood. In this paper, optical response of GO coated optical fiber sensor towards ethanol is
Huang, N. H.; Low Dimension Research Centre, Physics Department, Faculty of Science, University of Malaya, 50603 Kuala Lumpur, Malaysia, Mahdi, M. A.; Wireless and Photonics Network Research Center, Universiti Putra Malaysia, 43400 UPM Serdang, Selangor, Malaysia, Girei, S. H.; Wireless and Photonics Network Research Center, Universiti Putra Malaysia, 43400 UPM Serdang, Selangor, Malaysia, Yaacob, M. H.; Wireless and Photonics Network Research Center, Universiti Putra Malaysia, 43400 UPM Serdang, Selangor, Malaysia, Lim, H. M.; Wireless and Photonics Network Research Center, Universiti Putra Malaysia, 43400 UPM Serdang, Selangor, Malaysia, Shabaneh, A. A.; Wireless and Photonics Network Research Center, Universiti Putra Malaysia, 43400 UPM Serdang, Selangor, Malaysia   +5 more
core   +4 more sources

Tapered Fiber Bragg Grating Fabry–Pérot Cavity for Sensitivity-Enhanced Strain Sensing [PDF]

Sensors
This paper presents a novel optical fiber axial strain sensor based on a Fabry–Perot interferometer (FPI) cavity incorporating Fiber Bragg Gratings (FBGs) and a tapered fiber, which has been experimentally validated.
Jinchen Zhang, Chao Wang, Rui Dai, Yaqi Tang, Junhui Hu   +4 more
doaj   +2 more sources