Results 31 to 40 of about 55,069 (307)

Mechanical characterization using optical fiber sensors of polyester polymer concrete made with recycled aggregates

Materials Research, 2009
The sustainable management of solid wastes encourages metallurgic and metal-mechanic industries to look for safety applications for their wastes, thereby attenuating the environmental impact or lowering the costs.
João Marciano Laredo dos Reis, Luiz Carlos Silva Nunes, Adriana Lúcia Cerri Triques, Luiz Carlos Guedes Valente, Arthur Martins Barbosa Bragaa   +4 more
doaj   +1 more source

Performance Analysis of a Noncontact Plastic Fiber Optical Fiber Displacement Sensor with Compensation of Target Reflectivity [PDF]

, 2013
An inexpensive fiber-based noncontact distance sensor specific for monitoring short-range displacements in micromachining applications is presented. To keep the overall costs low, the sensor uses plastic optical fibers and an intensiometric approach ...
Alberto Vallan, Tosi, Daniele, Perrone, Guido, Vallan, Alberto, Guido Perrone, Alberto Vallan (12581776), Daniele Tosi, Guido Perrone (12581773), Daniele Tosi (310701)   +8 more
core   +1 more source

Design of Environmental Biosensor Based on Photonic Crystal Fiber with Bends Using Finite Element Method [PDF]

, 2015
In this paper, a biosensor based on photonic crystal fiber (PCF) is proposed and designed using Full-Vectorial Finite Element Method (FVFEM). The proposed PCF sensor consists of three concentric circles surrounding the core.
Akowuah, Emmanuel Kofi, Dayoub, Iyad, Teyeb, A, Malek, FA, Malek, Fathi Abdel, Haxha, Shyqyri, Haxha, S, Teyeb, Ahmed, Akowuah, EK, Dayoub, I   +9 more
core   +1 more source

Polymer Fibers Covered by Soft Multilayered Films for Sensing Applications in Composite Materials

Sensors, 2019
This paper presents the possibility of applying a soft polymer coating by means of a layer-by-layer (LbL) technique to highly birefringent polymer optical fibers designed for laminating in composite materials.
Dorian Nikoniuk, Karolina Bednarska, Maksymilian Sienkiewicz, Grzegorz Krzesiński, Mateusz Olszyna, Lars Dähne, Tomasz R. Woliński, Piotr Lesiak   +7 more
doaj   +1 more source

A mode generator and multiplexer at visible wavelength based on all-fiber mode selective coupler

Nanophotonics, 2020
Using an all-fiber mode selective coupler (MSC) at the visible band, here we experimentally demonstrate a generating and wavelength multiplexing scheme for the cylindrical vector (CV) and vortex beams (VBs).
Yao Han, Shi Fan, Wu Zhaoyang, Xu Xinzhu, Wang Teng, Liu Xiaomin, Xi Peng, Pang Fufei, Zeng Xianglong   +8 more
doaj   +1 more source

Chemical tapering of polymer optical fiber

EPJ Web of Conferences, 2017
Polymer optical fibers (POFs) have significant advantages over numerous sensing applications. The key element in developing sensor is by removing the cladding of the fiber.
Abdul Rashid Affa Rozana, Nasution Amna Afiqah, Suranin Aisyah Hanim, Taib Nur Athirah, Mukhtar Wan Maisarah, Ahmad Dasuki Karsono, Ehsan Abang Annuar   +6 more
doaj   +1 more source

Robust Hydrophobic and Hydrophilic Polymer Fibers Sensitized by Inorganic and Hybrid Lead Halide Perovskite Nanocrystal Emitters

Frontiers in Chemistry, 2019
Advances in the technology and processing of flexible optical materials have paved the way toward the integration of semiconductor emitters and polymers into functional light emitting fabrics. Lead halide perovskite nanocrystals appear as highly suitable
Paris G. Papagiorgis, Andreas Manoli, Androniki Alexiou, Petroula Karacosta, Xenofon Karagiorgis, Georgia Papaparaskeva, Caterina Bernasconi, Caterina Bernasconi, Maryna I. Bodnarchuk, Maryna I. Bodnarchuk, Maksym V. Kovalenko, Maksym V. Kovalenko, Theodora Krasia-Christoforou, Grigorios Itskos   +13 more
doaj   +1 more source

Sensing Applications of Polymer Optical Fiber Fuse

Advanced Photonics Research, 2022
This article presents a review of the fuse effect in polymer optical fibers (POFs) and its sensing applications. First, the propagation mechanisms and the characteristics of the POF fuse are discussed, showing that its optical threshold power and ...
Arnaldo G. Leal-Junior, Carlos Marques, Heeyoung Lee, Kentaro Nakamura, Yosuke Mizuno   +4 more
doaj   +1 more source

Assessment of a Dual-Wavelength Compensation Technique for Displacement Sensors Using Plastic Optical Fibers [PDF]

, 2012
The paper analyzes the performance of a dual-wavelength technique devised to compensate power fluctuations in intensity-modulated plastic optical fiber sensors, which were specifically conceived for the measurement of displacements in industrial and ...
Massimo Olivero, Olivero, Massimo, Perrone, Guido, Vallan, Alberto, Maria Luisa Casalicchio, Guido Perrone, CASALICCHIO, MARIA LUISA, Alberto Vallan   +7 more
core   +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