Simultaneous measurement of refractive index and temperature based on a core-offset Mach–Zehnder interferometer combined with a fiber Bragg grating

Q Yao, H Meng, W Wang, H Xue, R Xiong… - Sensors and Actuators A …, 2014 - Elsevier
An all-fiber sensor for simultaneous measurement of refractive index and temperature in
solutions is proposed and demonstrated. The sensing head contains a core-offset Mach …

Fiber-optic bending vector sensor based on Mach–Zehnder interferometer exploiting lateral-offset and up-taper

S Zhang, W Zhang, S Gao, P Geng, X Xue - Optics letters, 2012 - opg.optica.org
A simple, compact, and highly sensitive optical fiber directional bend sensor is presented.
This device consists of a lateral-offset splicing joint and an up-taper formed through …

Dual-parameter sensor for simultaneously measuring refractive index and temperature based on no-core fiber and SPR effect

Z Yin, X Jing, H Zhang, C Wang, C Liu, P Shao - Optik, 2022 - Elsevier
Refractive index and temperature are two basic properties of matter. Therefore, we propose
a dual-parameter sensor based on no-core fiber and surface plasmon resonance (SPR). It …

Fiber-optic curvature and temperature sensor based on the lateral-offset spliced SMF-FCF-SMF interference structure

S Xu, H Chen, W Feng - Optics & Laser Technology, 2021 - Elsevier
Abstract Based on the Mach-Zehnder interference principle, a optic-fiber curvature and
temperature sensor consisting of a lateral-offset spliced single-mode fiber-four-core fiber …

Sensitivity-enhanced fiber temperature sensor based on Vernier effect and dual in-line Mach–Zehnder interferometers

Z Wang, L Huang, C Liu, H Wang, S Sun… - IEEE Sensors …, 2019 - ieeexplore.ieee.org
A highly sensitive fiber temperature sensor based on in-line Mach-Zehnder interferometers
(MZIs) and Vernier effect was proposed and experimentally demonstrated. The MZI was …

High sensitivity optical fiber curvature sensor based on cascaded fiber interferometer

S Dong, B Dong, C Yu, Y Guo - Journal of Lightwave Technology, 2018 - opg.optica.org
A highly sensitive optical fiber curvature sensor based on cascaded fiber interferometers
(CFIs) is demonstrated theoretically and experimentally. Theoretical results show that the …

Highly sensitive curvature sensor based on asymmetrical twin core fiber and multimode fiber

Y Wu, L Pei, W Jin, Y Jiang, Y Yang, Y Shen… - Optics & Laser …, 2017 - Elsevier
A highly sensitive curvature sensor based on asymmetrical twin core fiber (TCF) and
multimode fiber (MMF) is proposed and experimentally demonstrated. By applying the …

Polarization-dependent curvature sensor based on an in-fiber Mach-Zehnder interferometer with a difference arithmetic demodulation method

C Shen, C Zhong, Y You, J Chu, X Zou, X Dong… - Optics express, 2012 - opg.optica.org
A curvature sensor based on a polarization-dependent in-fiber Mach-Zehnder interferometer
(MZI) is proposed. The MZI is fabricated by core-offset fusion splicing one section of …

Hybrid fiber interferometer sensor for simultaneous measurement of strain and temperature with refractive index insensitivity

B Su, B Qi, F Zhang, L Zhong, O Xu, Y Qin - Optics Communications, 2022 - Elsevier
A hybrid fiber interferometer sensor is proposed and demonstrated for simultaneous
measurement of strain and temperature with insensitivity to external refractive index. This …

Simultaneous measurement of displacement and temperature based on a balloon-shaped bent SMF structure incorporating an LPG

K Tian, G Farrell, W Yang, X Wang, E Lewis… - Journal of lightwave …, 2018 - opg.optica.org
A novel optical fiber sensor based on a balloon-shaped bent single-mode (BSBS) fiber
structure incorporating a long-period grating (LPG) for simultaneous measurement of …