Results 1 to 10 of about 1,059 (209)

Hydrogel-Core Microstructured Polymer Optical Fibers for Selective Fiber Enhanced Raman Spectroscopy [PDF]

open access: yesSensors, 2021
A new approach of Fiber Enhanced Raman Spectroscopy (FERS) is described within this article based on the use of Hydrogel-Core microstructured Polymer Optical Fibers (HyC-mPOF).
Mikel Azkune   +5 more
doaj   +8 more sources

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

open access: yesSensors, 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   +3 more
doaj   +8 more sources

Suspended-Core Microstructured Polymer Optical Fibers and Potential Applications in Sensing [PDF]

open access: yesSensors, 2019
The study of the fabrication, material selection, and properties of microstructured polymer optical fibers (MPOFs) has long attracted great interest. This ever-increasing interest is due to their wide range of applications, mainly in sensing, including ...
Wanvisa Talataisong   +3 more
doaj   +8 more sources

Synthesis of Carbon Nanodots from Sugarcane Syrup, and Their Incorporation into a Hydrogel-Based Composite to Fabricate Innovative Fluorescent Microstructured Polymer Optical Fibers [PDF]

open access: yesGels, 2022
Carbon nanodots (CNDs) are interesting materials due to their intrinsic fluorescence, electron-transfer properties, and low toxicity. Here, we report a sustainable, cheap, and scalable methodology to obtain CNDs from sugarcane syrup using a domestic ...
Gabriel Perli   +9 more
doaj   +2 more sources

Power Flow in Multimode Graded-Index Microstructured Polymer Optical Fibers. [PDF]

open access: yesPolymers (Basel), 2023
We investigate mode coupling in a multimode graded-index microstructured polymer optical fiber (GI mPOF) with a solid core by solving the time-independent power flow equation (TI PFE). Using launch beams with various radial offsets, it is possible to calculate for such an optical fiber the transients of the modal power distribution, the length Lc at ...
Savović S   +7 more
europepmc   +3 more sources

Selective detection of antibodies in microstructured polymer optical fibers

open access: yesOptics Express, 2005
We demonstrate selective detection of fluorophore labeled antibodies from minute samples probed by a sensor layer of complementary biomolecules immobilized inside the air holes of microstructured Polymer Optical Fiber (mPOF). The fiber core is defined by a ring of 6 air holes and a simple procedure was applied to selectively capture either alpha ...
Jesper B Jensen   +2 more
exaly   +3 more sources

Angle dependent Fiber Bragg grating inscription in microstructured polymer optical fibers [PDF]

open access: yesOptics Express, 2015
We report on an incidence angle influence on inscription of the Fiber Bragg Gratings in Polymethyl methacrylate (PMMA) microstructured polymer optical fibers. We have shown experimentally that there is a strong preference of certain angles, labeled ГK, over the other ones.
Ivan-Lazar Bundalo   +2 more
exaly   +3 more sources

Liquid-filled hollow core microstructured polymer optical fiber

open access: yesOptics Express, 2006
Guidance in a liquid core is possible with microstructured optical fibers, opening up many possibilities for chemical and biochemical fiber-optic sensing. In this work we demonstrate how the bandgaps of a hollow core microstructured polymer optical fiber scale with the refractive index of liquid introduced into the holes of the microstructure.
Alexander Argyros
exaly   +3 more sources

Fast Inscription of Long Period Gratings in Microstructured Polymer Optical Fibers [PDF]

open access: yesIEEE Sensors Journal, 2018
This work was supported in part by the Fundacao para a Ciencia e Tecnologia/MEC through national funds, in part by FEDER-PT2020 partnership agreement under the Projects UID/EEA/50008/2013, in part by the Research Excellence Award Programme GVA PROMETEO 2017/103 Future Microwave Photonic Technologies and Applications and Fundamental Research Funds for ...
, CARLOS Marques, KRISTIAN Nielsen
exaly   +3 more sources

Optical Bend Sensor Based on Eccentrically Micro-Structured Multimode Polymer Optical Fibers

open access: yesIEEE Photonics Journal, 2021
We report on a novel bend sensor with high flexibility and elasticity based on Bragg grating structures in polymer optical fibers to detect bending for the measurement of movement.
Lennart Leffers   +4 more
doaj   +1 more source

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