Machine Learning Enabled Multimode Fiber Specklegram Sensors: A Review

A Newaz, MO Faruque, R Al Mahmud… - IEEE Sensors …, 2023 - ieeexplore.ieee.org
Multimode fiber (MMF) specklegram sensors have recently drawn significant attention due to
the incorporation of machine learning (ML) algorithms in detecting different sensing …

Deep learning based optical curvature sensor through specklegram detection of multimode fiber

G Li, Y Liu, Q Qin, X Zou, M Wang, F Yan - Optics & Laser Technology, 2022 - Elsevier
An optical fiber curvature sensor based on the detection of specklegrams from the facet of
multimode fiber (MMF) is realized by using a deep learning regression model. Since the …

Sensing in the presence of strong noise by deep learning of dynamic multimode fiber interference

LV Nguyen, CC Nguyen, G Carneiro… - Photonics …, 2021 - opg.optica.org
A new approach to optical fiber sensing is proposed and demonstrated that allows for
specific measurement even in the presence of strong noise from undesired environmental …

Advances in Optical Fiber Speckle Sensing: A Comprehensive Review

I Chapalo, A Stylianou, P Mégret, A Theodosiou - Photonics, 2024 - mdpi.com
Optical fiber sensors have been studied, developed, and already used in the industry for
more than 50 years due to their multiplexing capabilities, lightweight design, compact form …

Machine learning for sensing with a multimode exposed core fiber specklegram sensor

DL Smith, LV Nguyen, DJ Ottaway, TD Cabral… - Optics express, 2022 - opg.optica.org
Fiber specklegram sensors (FSSs) traditionally use statistical methods to analyze
specklegrams obtained from fibers for sensing purposes, but can suffer from limitations such …

A Machine Learning Specklegram Wavemeter (MaSWave) Based on a Short Section of Multimode Fiber as the Dispersive Element

OC Inalegwu, REG Ii, J Huang - Sensors, 2023 - mdpi.com
Wavemeters are very important for precise and accurate measurements of both pulses and
continuous-wave optical sources. Conventional wavemeters employ gratings, prisms, and …

Feature extraction enabled deep learning from specklegram for optical fiber curvature sensing

G Li, Y Liu, Q Qin, X Zou, M Wang… - IEEE Sensors …, 2022 - ieeexplore.ieee.org
A novel approach for multimode fiber (MMF) curvature sensing based on the texture feature
of the specklegram from the fiber facet is proposed, developed and demonstrated. Different …

Displacement sensor based on a large-core hollow fiber and specklegram analysis

JH Osório, TD Cabral, E Fujiwara, MAR Franco… - Optical Fiber …, 2023 - Elsevier
The research enterprise towards achieving high-performance hollow-core photonic crystal
fibers has led to impressive advancements in the latest years. Indeed, using this family of …

Spatially modulated fiber speckle for high-sensitivity refractive index sensing

P Guo, H Liu, Z Zhou, J Hu, Y Wang, X Peng, X Yuan… - Sensors, 2023 - mdpi.com
A fiber speckle sensor (FSS) based on a tapered multimode fiber (TMMF) has been
developed to measure liquid analyte refractive index (RI) in this work. By the lateral and …

Fiber specklegram torsion sensor based on residual network

G Li, Y Liu, Q Qin, L Pang, W Ren, J Wei… - Optical Fiber …, 2023 - Elsevier
A novel fiber specklegram torsion sensor based on multimode fiber (MMF) is proposed and
experimentally demonstrated in this paper. The Residual Network (ResNet) is used to …