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 …

[HTML][HTML] Chitosan-coated iron (III) oxide nanoparticles and tungsten disulfide quantum dots-immobilized Fiber-based WaveFlex Biosensor for Staphylococcus Aureus …

X Lang, R Singh, Q Zeng, J Li, D Tosi, J Nedoma… - Sensors and Actuators …, 2024 - Elsevier
The research proposes and investigates an extraordinarily sensitive, label-free WaveFlex
biosensor utilizing optical fiber technology for the detection of Staphylococcus aureus (S …

Adaptive refractive index measurements via polymer optical fiber speckle pattern analysis

A Theodosiou - IEEE Sensors Journal, 2023 - ieeexplore.ieee.org
In recent years, the development of highly sensitive and cost-effective sensing technologies
has gained significant attention in the field of optical sensors. This article introduces a novel …

Demodulation of DBR Fiber Laser Sensors With Speckle Patterns

F Zhao, W Lin, P Guo, J Hu, S Liu, F Yu… - IEEE Sensors …, 2023 - ieeexplore.ieee.org
A multimode fiber (MMF) speckle pattern is proposed to demodulate a distributed Bragg
reflector (DBR) fiber laser sensor. DBR light source emits a highly coherent laser, and the …

[HTML][HTML] 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 …

A Multimode Microfiber Specklegram Biosensor for Measurement of CEACAM5 through AI Diagnosis

Y Liu, W Lin, F Zhao, Y Liu, J Sun, J Hu, J Li, J Chen… - Biosensors, 2024 - mdpi.com
Carcinoembryonic antigen (CEACAM5), as a broad-spectrum tumor biomarker, plays a
crucial role in analyzing the therapeutic efficacy and progression of cancer. Herein, we …

[HTML][HTML] Highly sensitive refractometric sensing system based on the combination of lensing and laser speckle correlation

CA Barrios - Optics and Lasers in Engineering, 2024 - Elsevier
A simple optical sensing system based on laser speckle and lensing for monitoring refractive
index variations of fluids is proposed and demonstrated. The fluid of interest is contained in …

[HTML][HTML] A fiber optic refractive index sensor with extremely high dynamic range utilizing deep learning-speckle pattern imaging

H Şerbetçi, I Navruz, F Ari - Ain Shams Engineering Journal, 2024 - Elsevier
In this paper, a tapered optical fiber sensor with high precision measurement capability in a
wide dynamic range has been proposed and experimentally demonstrated. Speckle pattern …

[HTML][HTML] Refractive index sensor based on the natural roughness of a directly fabricated D-shape fiber for biological and environmental monitoring purposes

SP Alex, R Kasztelanic, G Stepniewski, A Baltuška… - Optical Fiber …, 2024 - Elsevier
We present a novel fiber optics sensor approach using an intentionally designed silica fiber
that requires no additional processing after fabrication. The fiber, drawn from a D-shaped …

Optical fiber bending sensor based on speckle pattern imaging

İ Navruz, C Dilsiz, ES Ortak… - Communications Faculty of …, 2024 - dergipark.org.tr
In this paper, we propose a new fiber bending sensor based on speckle pattern imaging.
The design and implementation of the sensor are demonstrated by simulated studies. The …