Decision tree regression supervised machine learning assisted large dynamic range refractive index detection using MMI coreless multimode fiber sensor

MYM Noor, A Azizan, SM Saimon, AI Azmi… - IEEE Sensors …, 2024 - ieeexplore.ieee.org
A supervised machine learning (ML) algorithm is proposed for measuring refractive index
(RI) values both below and above the RI of the fiber material using a multimode interference …

Intensity-modulated refractive index sensor based on optical fiber with slanted end

B Patiño-Jurado, A Gaviria-Calderón… - Optics & Laser …, 2023 - Elsevier
In this work, the design, construction, and testing of an intensity-modulated refractive index
(RI) sensor based on fiber optics which distal end is mechanically polished at 45°, forming a …

[HTML][HTML] Simultaneous measurement of refractive index and temperature based on SMF–HCF–FCF–HCF–SMF fiber structure

R Xu, C Ke, Y Xue, Y Xu, M Xue, J Ye, H Liu, M Chen… - Sensors, 2022 - mdpi.com
In this research, we proposed and experimentally verified a compact all-fiber sensor that can
measure refractive index (RI) and temperature simultaneously. Two segments of hollow-core …

Simultaneous measurement of temperature and refractive index using Michelson interferometer based on waist-enlarged fiber bitaper

N Zhao, Z Wang, Z Zhang, Q Lin, K Yao, L Zhu, B Tian… - Micromachines, 2022 - mdpi.com
An all-fiber temperature and refractive dual-parameter-sensing Michelson interferometer is
designed based on the waist-enlarged bitaper. At 5 mm from the fiber end, the waist …

Highly Sensitive Fiber Optic Sensor for Simultaneous Refractive Index and Temperature Measurement Using Suspended Core Fiber

X Zhang, X Zhou, Y Zhang, LV Nguyen… - IEEE Transactions …, 2025 - ieeexplore.ieee.org
A novel fiber optic sensor has been developed using suspended core fiber (SCF) to
simultaneously measure the refractive index (RI) and temperature of liquids. The innovative …

A high sensitivity refractive index sensor based on leaky mode coupler of MMI

SM Saimon, MYM Noor, AI Azmi… - IEEE Photonics …, 2021 - ieeexplore.ieee.org
A novel leaky mode coupler of multimode interference (MMI) fiber structure is proposed and
experimentally demonstrated for surrounding refractive indices higher than that of silica …

Transformer oil temperature sensing utilizing bundle plastic optical fiber sensor

MSA Kadar, NH Ngajikin, M Yaacob… - Engineering …, 2024 - iopscience.iop.org
A bundle plastic optical fiber (POF) that works based on an intensity modulation technique is
experimentally demonstrated to sense the temperature of transformer oil. The sensor was …

Mechanical Characteristic Analysis of Special Hybrid Adhesive-Packaged FBG Strain Sensor at Liquid Helium Environment

S Li, W He, Z Li - IEEE Sensors Journal, 2024 - ieeexplore.ieee.org
Structural health monitoring (SHM) of aerospace equipment is the key to ensure the
equipment's on-orbit performance, operation safety, and service life. Aiming at the problem …

Optical fiber magnetic field sensor with thin clad LPFG cascaded FBG structure

Z Wang, S Feng, Y Liu, F Tu - 2022 4th International …, 2022 - ieeexplore.ieee.org
In this paper, an optical fiber magnetic field sensor is proposed for simultaneous
measurement of magnetic field strength and temperature. The proposed sensor is …