Optical fiber specklegram sensors for mechanical measurements: A review

AG Leal-Junior, A Frizera, C Marques… - IEEE Sensors …, 2019 - ieeexplore.ieee.org
This paper presents a review of FSS technology. The operation principle and main
characteristics of specklegram are presented and the applications of FSSs are thoroughly …

A review of fiber-optic modal modulated sensors: Specklegram and modal power distribution sensing

HS Efendioglu - IEEE Sensors Journal, 2017 - ieeexplore.ieee.org
In this paper, a review of fiber-optic modal modulated specklegram and modal power
distribution sensors is presented first time in the literature. Few researches have been …

Simulation of a multimode fiber interferometer using averaged characteristics approach

OI Kotov, MA Bisyarin, IE Chapalo, AV Petrov - JOSA B, 2018 - opg.optica.org
A new method of analytical representation and numerical simulation of multimode fiber
interferometer signals is developed. A system of averaged normalized characteristics, called …

Weight-location recognition in a plastic optical fiber using a convolutional neural network

N Vangety, K Dey, S Roy - Optical Fiber Technology, 2023 - Elsevier
Convolutional neural networks (CNNs) have proven to be highly efficient in performing
arduous tasks such as image reconstruction, image classification, etc. on multimode fiber …

Analyzing specklegrams of plastic optical fiber using convolutional neural network for weight recognition

N Vangety, K Dey, SK Ghosh, S Roy - Optical Engineering, 2022 - spiedigitallibrary.org
A weight recognition scheme is proposed based on the analysis of plastic optical fiber (POF)
specklegrams. A simple experiment is performed for data acquisition comprising …

Identification of defects on bamboo strip surfaces based on comprehensive features

Q Zeng, Q Lu, X Yu, S Li, N Chen, W Li, F Zhang… - European Journal of …, 2023 - Springer
The basic gluing unit of laminated bamboo timber (LBT) is a long and narrow bamboo strip.
Each strip has a rectangular cross-section and is made from bamboo stalk by cutting …

[HTML][HTML] Comparative performance evaluation of classical methods and a deep learning approach for temperature prediction in fiber optic specklegram sensors

FJ Vélez-Hoyos, JD Arango-Moreno… - Компьютерная …, 2024 - cyberleninka.ru
In this study, an algorithm based on convolutional neural networks is employed as an
interrogation method for a fiber specklegram sensor. This algorithm is compared with …

A Novel Structure With Ultra Short Multimode Fiber for Fiber Specklegram Sensor and Its Application in Multi-Bending Sensing. Proof and Concept

G Li, Y Liu, L Pang, H Yuan… - Journal of Lightwave …, 2024 - ieeexplore.ieee.org
Fiber specklegram sensor (FSS) is widely used for structural monitoring due to its sensitivity
to mechanical deformation and ease of manufacturing. The stability of the specklegram is …

The optimization of multimode fiber speckle sensor for microvibration

H Song, F Sun, Y Sun, W Liu - International Journal of Optics, 2023 - Wiley Online Library
A vibration sensing system with optical fiber speckles is demonstrated and optimized with
different optical fiber diameters and speckle statistical algorithms. The types of fiber diameter …

Learning-assisted specklegram analysis for recognition of simultaneous weights on multimode optical fiber

N Vangety, S Roy - Engineering Research Express, 2024 - iopscience.iop.org
A deep learning-based recognition of multimode fiber (MMF) specklegrams for various
simultaneous weights is presented in this work. Five different random locations have been …