Multiplexing technique for quasi-distributed sensors arrays in polymer optical fiber intensity variation-based sensors

AG Leal-Junior, CR Diaz, C Marques, MJ Pontes… - Optics & Laser …, 2019 - Elsevier
This paper presents a multiplexing technique for polymer optical fiber (POF) intensity
variation-based sensors. The technique relies on the side-coupling between the light source …

A polymer optical fiber temperature sensor based on material features

A Leal-Junior, A Frizera-Neto, C Marques, MJ Pontes - Sensors, 2018 - mdpi.com
This paper presents a polymer optical fiber (POF)-based temperature sensor. The operation
principle of the sensor is the variation in the POF mechanical properties with the temperature …

Multi-interface level in oil tanks and applications of optical fiber sensors

AG Leal-Junior, C Marques, A Frizera… - Optical Fiber …, 2018 - Elsevier
On the oil production also involves the production of water, gas and suspended solids,
which are separated from the oil on three-phase separators. However, the control strategies …

Sensitive zone parameters and curvature radius evaluation for polymer optical fiber curvature sensors

AG Leal-Junior, A Frizera, MJ Pontes - Optics & Laser Technology, 2018 - Elsevier
Polymer optical fibers (POFs) are suitable for applications such as curvature sensors, strain,
temperature, liquid level, among others. However, for enhancing sensitivity, many polymer …

Polymer optical fiber strain gauge for human-robot interaction forces assessment on an active knee orthosis

AG Leal-Junior, A Frizera, C Marques… - Optical Fiber …, 2018 - Elsevier
This paper presents the development of a polymer optical fiber (POF) strain gauge based on
the light coupling principle, which the power attenuation is created by the misalignment …

Ultrasensitive optofluidic enzyme-linked immunosorbent assay by on-chip integrated polymer whispering-gallery-mode microlaser sensors

X Ouyang, T Liu, Y Zhang, J He, Z He, AP Zhang… - Lab on a Chip, 2020 - pubs.rsc.org
Optical whispering-gallery-mode (WGM) microcavities offer great promise in ultrasensitive
biosensors because of their unique ability to enable resonant recirculation of light to achieve …

Design of a smartphone plastic optical fiber chemical sensor for hydrogen sulfide detection

A Sultangazin, J Kusmangaliyev, A Aitkulov… - IEEE Sensors …, 2017 - ieeexplore.ieee.org
We present a low-cost, handheld plastic optical fiber (POF) sensor for hydrogen sulfide (H 2
S) detection integrated onto a smartphone. The sensor uses smartphone flashlight as a …

Polymer optical fiber temperature sensor with dual-wavelength compensation of power fluctuations

A Tapetado, PJ Pinzón, J Zubia… - Journal of Lightwave …, 2015 - opg.optica.org
The design and development of a plastic optical fiber macrobend temperature sensor is
presented. The sensor can operate in a temperature range from− 55 to 70° C and has a …

Plastic optical fibre sensor for spine bending monitoring with power fluctuation compensation

MA Zawawi, S O'Keeffe, E Lewis - Sensors, 2013 - mdpi.com
This paper presents the implementation of power fluctuation compensation for an intensity-
based optical fibre bending sensor aimed at monitoring human spine bending in a clinical …

Large-range polymer optical-fiber strain-gauge sensor for elastic tendons in wearable assistive robots

J Casas, A Leal-Junior, CR Díaz, A Frizera, M Múnera… - Materials, 2019 - mdpi.com
This paper presents the development and validation of a polymer optical-fiber strain-gauge
sensor based on the light-coupling principle to measure axial deformation of elastic tendons …