Radiation Effects on Long Period Fiber Gratings: A Review [PDF]
Sensors, 2020 Over the last years, fiber optic sensors have been increasingly applied for applications in environments with a high level of radiation as an alternative to electrical sensors, due to their: high immunity, high multiplexing and long-distance monitoring ...
Flavio Esposito +3 more
doaj +7 more sources
Arc-Induced Long-Period Fiber Gratings at INESC TEC. Part I: Fabrication, Characterization and Mechanisms of Formation [PDF]
Sensors, 2021 In this work, we reviewed the most important achievements of INESC TEC related to the fabrication of long-period fiber gratings using the electric arc technique.
Gaspar Rego +2 more
doaj +3 more sources
Mechanically-Induced Long-Period Fiber Gratings Using Laminated Plates [PDF]
Sensors, 2020 This work presents a formation method of mechanically-induced long-period fiber gratings using laminated plates. The mechanically-induced long-period fiber grating is temporarily inscribed by compressing the optical fiber between a flat plate and the ...
Ismael Torres-Gómez +2 more
doaj +3 more sources
High Sensitivity Cryogenic Temperature Sensors Based on Arc-Induced Long-Period Fiber Gratings [PDF]
Sensors, 2022 In this paper, we investigated the evolution of the dispersion curves of long-period fiber gratings (LPFGs) from room temperature down to 0 K. We considered gratings arc-induced in the SMF28 fiber and in two B/Ge co-doped fibers.
Oleg V. Ivanov +2 more
doaj +3 more sources
Immunosensor Based on Long-Period Fiber Gratings for Detection of Viruses Causing Gastroenteritis [PDF]
Sensors, 2020 Since the norovirus is the main cause of acute gastroenteritis all over the world, its fast detection is crucial in medical diagnostics. In this work, a rapid, sensitive, and selective optical fiber biosensor for the detection of norovirus virus-like ...
Marta Janczuk-Richter +9 more
doaj +3 more sources
Recent Progress in Fabrications and Applications of Heating-Induced Long Period Fiber Gratings [PDF]
Sensors, 2019 This paper presents a review of our work concerning the recent progress in fabrications and applications of heating-induced long period fiber gratings (LPFGs).
Cailing Fu +6 more
doaj +3 more sources
Simulation of the Transmission Spectrum of Long-Period Fiber Gratings Structures with a Propagating Acoustic Shock Front [PDF]
Sensors, 2021 In this paper, we investigate modification of transmission spectra of long-period fiber grating structures with an acoustic shock front propagating along the fiber.
Oleg V. Ivanov +2 more
doaj +2 more sources
Review of Helical Long-Period Fiber Gratings
Photonics, 2021 In this paper, comprehensive remarks are given that focus on the main fabrications and wide applications of helical long-period fiber gratings (HLPGs).
Chao Ma, Jian Wang, Libo Yuan
doaj +2 more sources
Chemical sensors based on long period fiber gratings: A review
Results in Optics, 2021 Fiber optic devices are being increasingly employed in the fields of chemical and environmental sensing due to their important features, such as high accuracy, small size, chemical inertness, remote operation and multiplexing capabilities.
Flavio Esposito
doaj +2 more sources
Arc-Induced Long-Period Fiber Gratings at INESC TEC. Part II: Properties and Applications in Optical Communications and Sensing [PDF]
Sensors, 2021 In this work, we review the most important achievements of INESC TEC related to the properties and applications of arc-induced long-period fiber gratings.
Gaspar Rego +2 more
doaj +2 more sources