Enhanced Sensitivity in Optical Sensors through Self-Image Theory and Graphene Oxide Coating

C Cunha, C Monteiro, A Vaz, S Silva, O Frazão… - Sensors, 2024 - mdpi.com
This paper presents an approach to enhancing sensitivity in optical sensors by integrating
self-image theory and graphene oxide coating. The sensor is specifically engineered to …

Study by simulation and realization of a fiber optic pressure sensor based on a PDMS flexible µ-membrane

A Guermat, A Guessoum, M Bouchaour… - Optical and Quantum …, 2024 - Springer
Fiber optic pressure sensors operate on various interferometric principles, such as
amplitude modulation and polarization variation. In this study, we have developed and …

Investigation by simulation of the highest sensitivity interferometric pressure sensor at the end of a micro-structured optical fiber

M Bouchaour, A Guermat, A Adouane… - Physica …, 2023 - iopscience.iop.org
One of the most prevalent techniques used in the construction of optical fiber-based
pressure sensors is Fabry–Perot interferometry. This work presents a variety of …

Environmental Sensitivity of Fabry-Perot Microcavities Induced by Layered Graphene-Dielectric Hybrid Coatings

R Peixoto, JPS Pires, CS Monteiro, M Raposo… - Physical Review …, 2021 - APS
We propose a fiber-based environmental sensor that exploits the reflection-phase-shift
tunability provided by the use of layered coatings composed of dielectric slabs spaced by …

Thermally Stimulated Desorption Optical Fiber-Based Interrogation System: An Analysis of Graphene Oxide Layers' Stability

M Raposo, C Xavier, C Monteiro, S Silva, O Frazão… - Photonics, 2021 - mdpi.com
Thin graphene oxide (GO) film layers are being widely used as sensing layers in different
types of electrical and optical sensor devices. GO layers are particularly popular because of …

Study and Development of Optical Fibre Sensors for Refractometric Measurements

C Cunha - 2023 - search.proquest.com
This dissertation is focused on the study and development of optical fibre sensors designed
for refractometric measurements. Specifically, the sensors developed in this research were …

[PDF][PDF] Thermally Stimulated Desorption Optical Fiber-Based Interrogation System: An Analysis of Graphene Oxide Layers' Stability. Photonics 2021, 8, 70

M Raposo, C Xavier, C Monteiro, S Silva, O Frazão… - 2021 - academia.edu
Thin graphene oxide (GO) film layers are being widely used as sensing layers in different
types of electrical and optical sensor devices. GO layers are particularly popular because of …