Optical fiber temperature sensors and their biomedical applications

P Roriz, S Silva, O Frazão, S Novais - Sensors, 2020 - mdpi.com
The use of sensors in the real world is on the rise, providing information on medical
diagnostics for healthcare and improving quality of life. Optical fiber sensors, as a result of …

Optical fiber based temperature sensors: a review

RK Gangwar, S Kumari, AK Pathak, SD Gutlapalli… - Optics, 2023 - mdpi.com
The current generation is witnessing a huge interest in optical waveguides due to their
salient features: they are of low cost, immune to electromagnetic interference, easy to …

Highly sensitive temperature sensor using a Sagnac loop interferometer based on a side-hole photonic crystal fiber filled with metal

E Reyes-Vera, CMB Cordeiro, P Torres - Applied optics, 2017 - opg.optica.org
A highly sensitive temperature sensor based on an all-fiber Sagnac loop interferometer
combined with metal-filled side-hole photonic crystal fiber (PCF) is proposed and …

Single-end simultaneous temperature and strain sensing techniques based on Brillouin optical time domain reflectometry in few-mode fibers

Y Weng, E Ip, Z Pan, T Wang - Optics express, 2015 - opg.optica.org
Recently there is a growing interest in developing few-mode fiber (FMF) based distributed
sensors, which can attain higher spatial resolution and sensitivity compared with the …

All-polymer fiber-optic pH sensor

X Cheng, J Bonefacino, BO Guan, HY Tam - Optics express, 2018 - opg.optica.org
A novel all-polymer fiber-optic pH sensor using a UV-cured pH-sensitive hydrogel, poly
(ethylene glycol) diacrylate (PEGDA), coated on a polymer fiber Bragg grating was …

A highly sensitive fiber-optic Fabry–Perot interferometer based on internal reflection mirrors for refractive index measurement

X Li, Y Shao, Y Yu, Y Zhang, S Wei - Sensors, 2016 - mdpi.com
In this study, a new type of highly sensitive fiber-optic Fabry–Perot interferometer (FFPI) is
proposed with a high sensitivity on a wide refractive index (RI) measurement range based …

In-line Mach–Zehnder interferometers based on a capillary hollow-core fiber using Vernier effect for a highly sensitive temperature sensor

S Marrujo-García, I Hernández-Romano… - Sensors, 2021 - mdpi.com
In this paper, we propose a highly sensitive temperature sensor based on two cascaded
Mach–Zehnder interferometers (MZIs) that work using the Vernier effect. The all-fiber MZIs …

Highly sensitive temperature sensor based on Sagnac interferometer with liquid crystal photonic crystal fibers

M Ma, H Chen, S Li, X Jing, W Zhang, Y Liu, E Zhu - Optik, 2019 - Elsevier
We propose and investigate a temperature sensor based on Sagnac interferometer with
liquid crystal (LC) photonic crystal fiber (PCF) by finite element method (FEM). LC E7 which …

A temperature plasmonic sensor based on a side opening hollow fiber filled with high refractive index sensing medium

L Zhao, H Han, N Luan, J Liu, L Song, Y Hu - Sensors, 2019 - mdpi.com
A surface plasmon resonance temperature sensor based on a side opening hollow-core
microstructured optical fiber is proposed in this paper. This design employs a gold nanowire …

Thinly coated hollow core fiber for improved thermal phase-stability performance

B Shi, H Sakr, J Hayes, X Wei, E Numkam Fokoua… - Optics Letters, 2021 - opg.optica.org
The optical phase accumulated when light propagates through an optical fiber changes with
temperature. It has been shown by various authors that this thermal phase sensitivity is …