Mode-division and spatial-division optical fiber sensors

C Caucheteur, J Villatoro, F Liu, M Loyez… - Advances in Optics …, 2022‏ - opg.optica.org
The aim of this paper is to provide a comprehensive review of mode-division and spatial-
division optical fiber sensors, mainly encompassing interferometers and advanced fiber …

Railway slope monitoring based on dual-parameter FBG sensor

H Xu, W Wang, F Li, Y Du, H Tu, C Guo - Photonic Sensors, 2025‏ - Springer
A large number of slopes appear along the line during railway construction, which will pose
a threat to railway safety operation. Slope monitoring plays an important role in ensuring the …

Torsion and bending sensing based on the specklegrams from a coupled few-mode multi-core fiber

H Yuan, Y Liu, G Li, L Pang, Z Yang, Y Cai… - Optics Communications, 2024‏ - Elsevier
A novel optical torsion and bending dual-parameter sensor based on the detection of a
coupled few-mode multi-core fiber (FM-MCF) specklegrams is proposed and experimentally …

[HTML][HTML] Dynamic rotational sensor using polymer optical fiber for robot movement assessment based on intensity variation

J Shi, A Ghaffar, Y Li, I Mehdi, R Mehdi, F A. Soomro… - Polymers, 2022‏ - mdpi.com
A complex signal processing technique is usually required to process the data in most
sensor design structures, and integration into real applications is also challenging. This work …

Research and assessment of high sensitivity intensity modulation vector curvature sensor based on cascaded bamboo-joint microcavity structure

X Han, W Hasi, Y Guo, Y Zhang, S Lin, F Wang - Measurement, 2023‏ - Elsevier
This study presents the VC-BM, a novel vector bamboo joint cascaded microcavity curvature
sensor, which utilizes light intensity correlation. The device is fabricated using arc fusion …

Highly sensitive bending sensor based on Mach-Zehnder interferometer built in Sagnac loop with specified offset

J Ruan, H Li, J Zhu, J Chen, W Yang - Optik, 2022‏ - Elsevier
A high sensitivity bending sensor based on Mach-Zehnder interferometer (MZI) built in
Sagnac loop is proposed and experimentally demonstrated. One stress zone in Panda type …

Multi-direction bending sensing based on spot pattern demodulation of dual-hole fiber

B Li, Y Liang, Z **e, X Zuo, J Sun - Chinese Optics Letters, 2023‏ - opg.optica.org
A multi-direction bending sensor based on spot pattern demodulation of a dual-hole fiber
(DHF) is proposed. By using the interference and scattering in a DHF, the related …

A novel method of curvature demodulation for Mach-Zehnder interferometer optical fiber curvature sensors

J Wang, M Liu, K Yun, Y Liu, C Li, C Yang, P **a - Measurement, 2022‏ - Elsevier
This paper constructs a novel curvature demodulation method for Mach-Zehnder
interferometer (MZI) optical fiber sensors. The method is composed of two parts: spectral …

Fiber Mach-Zehnder interferometer based on double cladding fiber for high curvature measurement

SMA Musa, AI Azmi, AS Abdullah, MYM Noor… - AIP Conference …, 2023‏ - pubs.aip.org
This study proposes a Mach-Zehnder interferometer (MZI) based on double cladding fiber
(DCF) for high curvature measurement. In this proposed design, two optical paths are paved …

Real-time bending sensing based on a strong-coupled SCF structure and time-stretch technique

Q Ling, Z Yuan, Y Li, K Zhang, J Dong… - IEEE Sensors …, 2024‏ - ieeexplore.ieee.org
The real-time interrogation of optical fiber sensors is highly desirable in a wide range of
applications that require precise and dynamic measurements. Herein, a novel real-time …