Results 11 to 20 of about 1,370 (252)

Polymer microstructured optical fibers for terahertz wave guiding

open access: yesOptics Express, 2011
We outline the most recent technological advancements in the design, fabrication and characterization of polymer microstructured optical fibers (MOFs) for applications in the terahertz waveband. Focusing on specific experimental demonstrations, we show that polymer optical fibers provide a very flexible route towards THz wave guiding.
Bora, Ung   +4 more
openaire   +3 more sources

Power Flow in Multimode Graded-Index Microstructured Polymer Optical Fibers

open access: yesPolymers, 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 ...
Svetislav Savović   +7 more
openaire   +3 more sources

Microstructured Optical Fiber Sensors Embedded in a Laminate Composite for Smart Material Applications [PDF]

open access: yesSensors, 2011
Fiber Bragg gratings written in highly birefringent microstructured optical fiber with a dedicated design are embedded in a composite fiber-reinforced polymer.
Hugo Thienpont   +13 more
doaj   +2 more sources

Detection of 2-Furaldehyde in Milk by MIP-Based POF Chips Combined with an SPR-POF Sensor

open access: yesSensors, 2022
An innovative optical-chemical sensor has been used to detect the 2-furaldehyde (2-FAL) in milk. The proposed sensing approach exploits the refractive index changing in a microstructured chip based on a plastic optical fiber (POF) with orthogonal micro ...
Giancarla Alberti   +6 more
doaj   +1 more source

Polymer Nanoparticle Identification and Concentration Measurement Using Fiber-Enhanced Raman Spectroscopy

open access: yesChemosensors, 2020
We present a measurement technique for chemical identification and concentration measurement of polymer nanoparticles in aqueous solution, which is achieved using Raman spectroscopy.
Mark R. Pollard   +3 more
doaj   +1 more source

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

open access: yes, 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   +9 more
core   +1 more source

Polycarbonate mPOF-Based Mach–Zehnder Interferometer for Temperature and Strain Measurement

open access: yesSensors, 2020
In this paper, an endlessly single mode microstructured polymer optical fiber (mPOF) in a Mach–Zehnder (M–Z) interferometer configuration is demonstrated for temperature and strain measurement.
Xiaoyu Yue   +6 more
doaj   +1 more source

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.
Bundalo, Ivan-Lazar   +2 more
openaire   +2 more sources

PCF Based Sensor with High Sensitivity, High Birefringence and Low Confinement Losses for Liquid Analyte Sensing Applications [PDF]

open access: yes, 2015
In this paper, we report a design of high sensitivity Photonic Crystal Fiber (PCF) sensor with high birefringence and low confinement losses for liquid analyte sensing applications.
Huseyin Ademgil   +3 more
core   +1 more source

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, Jensen   +5 more
openaire   +2 more sources

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