Biological sensors based on long period fiber grating

C Du, Q Wang, S Zhao, X Deng - Optics & Laser Technology, 2023 - Elsevier
Nowadays, there have been extensive applications of biosensors for industrial production,
environment monitoring, disease diagnosis, and food safety. Attributed to periodically …

Multi-parameter sensor based on single Long Period Grating in Panda fiber for the simultaneous measurement of SRI, temperature and strain

F Esposito, A Srivastava, A Iadicicco… - Optics & Laser …, 2019 - Elsevier
In this work, a three-parameter sensor for the simultaneous measurement of surrounding
refractive index (SRI), temperature and strain is presented. It is based on a single Long …

Ultrasensitive biosensor based on long period grating coated with polycarbonate-graphene oxide multilayer

F Esposito, L Sansone, C Taddei… - Sensors and Actuators B …, 2018 - Elsevier
In this work, we report about an ultrasensitive fiber optic biosensor realized using a single-
ended Long Period Grating (LPG). The LPG working point is tuned in the highest sensitivity …

Recent progress in fabrications and applications of heating-induced long period fiber gratings

C Fu, Y Wang, S Liu, Z Bai, C Liao, J He, Y Wang - Sensors, 2019 - mdpi.com
This paper presents a review of our work concerning the recent progress in fabrications and
applications of heating-induced long period fiber gratings (LPFGs). Firstly, three kinds of …

Polarization-maintaining fiber long-period grating based vector curvature sensor

C Jiang, Y Liu, C Mou - IEEE Photonics Technology Letters, 2021 - ieeexplore.ieee.org
We propose and demonstrate an optical fiber vector curvature sensor based on a long-
period fiber grating (LPFG) inscribed in Panda type polarization-maintaining fiber (PMF) …

Machine learning approach with higher accuracy for simultaneous measurement of the dual parameter by MSM fiber structure

K Dey, V Nikhil, S Roy - Measurement, 2023 - Elsevier
In this paper, a novel and efficacious method for simultaneous measurement of temperature
and strain by employing a multi-single-multi mode (MSM) fiber segment using an Artificial …

Helical Long-Period Gratings Inscribed in Polarization-Maintaining Fibers by CO2 Laser

C Jiang, Y Liu, Y Zhao, C Mou… - Journal of Lightwave …, 2018 - ieeexplore.ieee.org
We demonstrate the fabrication of helical long-period gratings (HLPGs) in a polarization-
maintaining fiber using a CO2 laser. The maximum polarization-dependent loss (PDL) of the …

Arc-induced long period gratings from standard to polarization-maintaining and photonic crystal fibers

F Esposito, R Ranjan, S Campopiano, A Iadicicco - Sensors, 2018 - mdpi.com
In this work, we report about our recent results concerning the fabrication of Long Period
Grating (LPG) sensors in several optical fibers, through the Electric Arc Discharge (EAD) …

Single-ended long period fiber grating coated with polystyrene thin film for butane gas sensing

F Esposito, A Zotti, R Ranjan, S Zuppolini… - Journal of Lightwave …, 2018 - opg.optica.org
A safe detection of hydrocarbons is a major concern in industrial and public environment,
due to their high volatility and flammability. In this work, we report the development and …

Fiber optic refractive index distributed multi-sensors by scattering-level multiplexing with MgO nanoparticle-doped fibers

T Ayupova, M Shaimerdenova… - IEEE Sensors …, 2019 - ieeexplore.ieee.org
In this work, we present the architecture of a multiplexed refractive index (RI) sensing system
based on the interrogation of Rayleigh backscattering. The RI sensors are fabricated by fiber …