Results 21 to 30 of about 1,557 (211)

Optical Properties of Microstructured Fibre Tuned by Filling with Magnetic Liquids

Advances in Electrical and Electronic Engineering, 2013
Alternative for adjust optical fiber light-guiding properties by bulk glass doping is provided by microstructured optical fibers, which allows access directly to the light guiding core via their microstructure.
Jan Vanda, Alessandro Candiani
doaj   +1 more source

Refractive Index Measurement of Liquids Based on Microstructured Optical Fibers

Photonics, 2014
This review is focused on microstructured optical fiber sensors developed in recent years for liquid RI sensing. The review is divided into three parts: the first section introduces a general view of the most relevant refractometric sensors that have ...
Susana Silva, Paulo Roriz, Orlando Frazão   +2 more
doaj   +1 more source

Highly sensitive salinity sensor based on Mach-Zehnder interferometer with double-C fiber

Fundamental Research, 2022
This paper proposes a highly sensitive, compact, and low-cost optical fiber salinity sensor based on the Mach-Zehnder interferometer. The sensor is constructed using a single mode fiber (SMF) - no-core fiber - double-C fiber (DCF) - NCF-SMF structure ...
Ya-nan Zhang, Like Li, Jincheng Zhao, Yong Zhao   +3 more
doaj   +1 more source

Photoinduced Electron Transfer Based Ion Sensing within an Optical Fiber

Sensors, 2011
We combine suspended-core microstructured optical fibers with the photoinduced electron transfer (PET) effect to demonstrate a new type of fluorescent optical fiber-dip sensing platform for small volume ion detection.
Tanya M. Monro, Heike Ebendorff-Heidepriem, Christopher J. Sumby, Andrew C. Richardson, Tze Cheung Foo, Florian V. Englich   +5 more
doaj   +1 more source

Ultra-low Brillouin scattering in anti-resonant hollow-core fibers

APL Photonics, 2020
Sensitive optical experiments in fiber, including for applications in communications and quantum information, are limited by the noise generated when light scatters from thermally excited guided-acoustic phonons.
Arjun Iyer, Wendao Xu, J. Enrique Antonio-Lopez, Rodrigo Amezcua Correa, William H. Renninger   +4 more
doaj   +1 more source

Two-dimensional mapping of surface scatterers on an optical fiber core using selective mode launching

APL Photonics, 2021
The tracking of small particles is an important but challenging task for biological applications such as disease diagnostics and medical research. Current methods are limited to the use of bulky instruments such as flow cytometers and microscopes.
Lu Peng, Linh Viet Nguyen, Jiawen Li, Nicolas Riesen, Dale Otten, David G. Lancaster, Heike Ebendorff-Heidepriem, Stephen C. Warren-Smith   +7 more
doaj   +1 more source

Selective Serial Multi-Antibody Biosensing with TOPAS Microstructured Polymer Optical Fibers

Sensors, 2013
We have developed a fluorescence-based fiber-optical biosensor, which can selectively detect different antibodies in serial at preselected positions inside a single piece of fiber.
Lars H. Pedersen, Ole Bang, Poul E. Høiby, Grigoriy Emiliyanov   +3 more
doaj   +1 more source

Fiber Optic-Based Refractive Index Sensing at INESC Porto

Sensors, 2012
A review of refractive index measurement based on different types of optical fiber sensor configurations and techniques is presented. It addresses the main developments in the area, with particular focus on results obtained at INESC Porto, Portugal.
Orlando Frazão, José L. Santos, Gaspar Rego, José M. Baptista, Diana Viegas, Paulo Caldas, Luis Coelho, Paula Tafulo, Susana O. Silva, Carlos Gouveia, Pedro A. S. Jorge   +10 more
doaj   +1 more source

Interrogation Method with Temperature Compensation Using Ultra-Short Fiber Bragg Gratings in Silica and Polymer Optical Fibers as Edge Filters

Sensors, 2022
The use of simpler and less bulky equipment, with a reliable performance and at relative low cost is increasingly important when assembling sensing configurations for a wide variety of applications.
Luís Pereira, Rui Min, Getinet Woyessa, Ole Bang, Carlos Marques, Humberto Varum, Paulo Antunes   +6 more
doaj   +1 more source

Twisted Silica Few-Mode Hollow GeO₂-Doped Ring-Core Microstructured Optical Fiber

Photonics, 2023
This work presents the first instance of a silica few-mode microstructured optical fiber (MOF) being successfully fabricated with a hollow GeO2-doped ring core and by strongly inducing twisting up to 790 revolutions per meter.
Anton V. Bourdine, Vladimir V. Demidov, Egishe V. Ter-Nersesyants, Grigori A. Pchelkin, Dmitriy N. Shurupov, Alexander V. Khokhlov, Alexandra S. Matrosova, Andrey I. Kashin, Sergei V. Bureev, Michael V. Dashkov, Alexander S. Evtushenko, Elena S. Zaitseva, Azat R. Gizatulin, Ivan K. Meshkov, Amogh A. Dyavangoudar, Ankur Saharia, Manish Tiwari, Alexander A. Vasilets, Vasiliy S. Elagin, Ghanshyam Singh, Konstantin V. Dukelskii   +20 more
doaj   +1 more source