Singlemode-multimode-singlemode fiber structures for sensing applications—A review

Q Wu, Y Qu, J Liu, J Yuan, SP Wan, T Wu… - IEEE sensors …, 2020 - ieeexplore.ieee.org
A singlemode-multimode-singlemode (SMS) fiber structure consists of a short section of
multimode fiber fusion-spliced between two SMS fibers. The mechanism underpinning the …

Antiresonant hollow-core fiber-based dual gas sensor for detection of methane and carbon dioxide in the near-and mid-infrared regions

P Jaworski, P Kozioł, K Krzempek, D Wu, F Yu, P Bojęś… - Sensors, 2020 - mdpi.com
In this work, we present for the first time a laser-based dual gas sensor utilizing a silica-
based Antiresonant Hollow-Core Fiber (ARHCF) operating in the Near-and Mid-Infrared …

Machine learning assisted high-sensitivity and large-dynamic-range curvature sensor based on no-core fiber and hollow-core fiber

C Zhu, Y Zhuang, J Huang - Journal of Lightwave Technology, 2022 - ieeexplore.ieee.org
Simultaneously increasing the sensitivity and dynamic range of an optical fiber sensor is
desired and yet challenging. In this article, we demonstrate an optical fiber curvature sensor …

Sensitivity enhancement of curvature fiber sensor based on polymer-coated capillary hollow-core fiber

LA Herrera-Piad, I Hernández-Romano… - Sensors, 2020 - mdpi.com
In this paper, we propose and experimentally demonstrate a simple technique to enhance
the curvature sensitivity of a bending fiber optic sensor based on anti-resonant reflecting …

Comparative study on transmission mechanisms in a SMF-capillary-SMF structure

W Sun, X Zhang, Y Yu, L Yang, F Hou… - Journal of Lightwave …, 2020 - opg.optica.org
Using a segment of silica capillary sandwiched by two single mode fibers (named as SMF-
Capillary-SMF), we compare transmission mechanisms in various forms including …

Strain-insensitive temperature sensor based on few-mode fiber and photonic crystal fiber

X Gao, J Xu, C Xie, W Zhang, L Pei… - IEEE Photonics …, 2022 - ieeexplore.ieee.org
Based on few-mode fiber (FMF) and photonic crystal fiber (PCF), a new temperature sensor
with a FMF-PCF-FMF hybrid construction has been developed. Furthermore, the sensor has …

High-sensitivity and fast-response fiber optic temperature sensor using an anti-resonant reflecting optical waveguide mechanism

Z Li, Z Wu, Z Li, L Ou, W Zhang, Z Lai, Y Zhang… - Photonics …, 2023 - opg.optica.org
Temperature sensing is essential for human health monitoring. High-sensitivity (> 1 nm/° C)
fiber sensors always require long interference paths and temperature-sensitive materials …

Balloon-like optical fiber sensor for simultaneous displacement and temperature measurement based on an anti-resonance mechanism

Y Zhang, Z Huang, Y Liu, W Li, X Tang, Z Liu… - Optics Letters, 2023 - opg.optica.org
We propose and experimentally demonstrate a balloon-like optical fiber sensor with an anti-
resonance mechanism for the simultaneous measurement of displacement and temperature …

Liquid level and refractive index double-parameter sensor based on tapered photonic crystal fiber

R Fan, Q Ma, L Li, Y Zhuo, J Shen… - Journal of Lightwave …, 2020 - ieeexplore.ieee.org
In this article, a liquid level and refractive index double-parameter sensor with single-mode
fiber-tapered photonic crystal fiber (TPCF)-single-mode fiber structure is designed. We …

High resolution and large sensing range liquid level measurement using phase-sensitive optic distributed sensor

Q Liu, T Liu, T He, H Li, Z Yan, L Zhang, Q Sun - Optics Express, 2021 - opg.optica.org
Liquid level sensor with large sensing range and high-resolution is essential for the
application of industry monitoring. In this work, a distributed optical fiber liquid level sensor is …