Fibre Bragg grating sensors in polymer optical fibres

DJ Webb - Measurement Science and Technology, 2015 - iopscience.iop.org
This review paper summarizes the current state of research into polymer optical fibre grating
sensors. The properties of polymers are explored to identify situations where polymers offer …

Challenges in the preparation of optical polymer composites with nanosized pigment particles: a review on recent efforts

MM Demir, G Wegner - Macromolecular Materials and …, 2012 - Wiley Online Library
Blends of nanosized pigment particles and polymers are widely believed to offer the
potential for the design of novel or at least improved materials. This review critically …

Thermal and chemical treatment of polymer optical fiber Bragg grating sensors for enhanced mechanical sensitivity

A Pospori, CAF Marques, D Sáez-Rodríguez… - Optical Fiber …, 2017 - Elsevier
An investigation of the thermal annealing effects on the strain, stress, and force sensitivities
of polymer optical fiber Bragg grating sensors is performed. We demonstrate for the first time …

Analytical model for a polymer optical fiber under dynamic bending

AGL Junior, A Frizera, MJ Pontes - Optics & Laser Technology, 2017 - Elsevier
Advantages such as sensibility in bending, high fracture toughness, and high sensibility in
strain enable the application of polymer optical fibers as sensors for strain, temperature …

Transverse light-shift in a spin-exchange relaxation-free co-magnetometer: measurement, decoupling, and suppression

S Liu, R Wang, L Yuan, J Wu, Q Yuan, J Zhu, W Fan… - Optics …, 2022 - opg.optica.org
The transverse light-shift can induce non-negligible polarization error in the output signal of
spin-exchange relaxation-free (SERF) co-magnetometer. In this paper, a novel method for …

Molecular alignment relaxation in polymer optical fibers for sensing applications

P Stajanca, O Cetinkaya, M Schukar, P Mergo… - Optical Fiber …, 2016 - Elsevier
A systematic study of annealing behavior of drawn PMMA fibers was performed. Annealing
dynamics were investigated under different environmental conditions by fiber longitudinal …

1D hypo-crystals: A novel concept for the crystallization of stereo-irregular polymers

JH Sim, S Eom, S Lee, C Oh, M Lee, S Kim, WB Lee… - Materials Today, 2020 - Elsevier
It has been believed that stereo-irregular polymers hardly form crystalline structure because
of the deficient ordering along the backbone direction. Here we show the crystallization of …

Birefringent stable glass with predominantly isotropic molecular orientation

T Liu, AL Exarhos, EC Alguire, F Gao… - Physical review …, 2017 - APS
Birefringence in stable glasses produced by physical vapor deposition often implies
molecular alignment similar to liquid crystals. As such, it remains unclear whether these …

Optimization of the Geometries of Biconical Tapered Fiber Sensors for Monitoring the Early‐Age Curing Temperatures of Concrete Specimens

D Luo, Z Ibrahim, Z Ismail, B Xu - Computer‐Aided Civil and …, 2013 - Wiley Online Library
In this article, a geometrical optimization procedure using biconical tapered fiber sensors is
proposed for monitoring the early‐age curing temperatures of concrete specimens. The …

The stress measurement system for the JUNO Central Detector acrylic panels

X Yang, Y Heng, Z Li, X Ma, X Qian… - Journal of …, 2021 - iopscience.iop.org
Abstract The Jiangmen Underground Neutrino Observatory (JUNO) Central Detector (CD) is
a huge acrylic spherical vessel containing 20,000 tons of liquid scintillator; the sphere is …