Ocean Salinity Sensing Using Long-Period Fiber Gratings Functionalized with Layer-by-Layer Hydrogels. [PDF]
ACS Omega, 2019 Rapid, accurate, and real-time measurements of ocean salinity are of great importance for a host of scientific, commercial, and defense applications.
Yang F +5 more
europepmc +2 more sources
Effect of Low-Doses of Gamma Radiation on Electric Arc-Induced Long Period Fiber Gratings [PDF]
Sensors, 2021 This work presents an experimental study on the effects of gamma radiation on Long Period Fiber Gratings (LPFGs) in a low-dose test campaign to evaluate their eventual degradation.
Patricia Mesonero-Santos +6 more
doaj +2 more sources
Monitoring of Curing Process of Epoxy Resin by Long-Period Fiber Gratings [PDF]
SensorsThe curing of epoxy resin is a complex thermo-chemical process that is difficult to monitor using existing sensing systems. We monitored the curing process of an epoxy resin by using long-period fiber gratings.
Oleg V. Ivanov +3 more
doaj +2 more sources
Transverse Load and Temperature Sensing Using Multiplexed Long-Period Fiber Gratings
Photonics, 2020 The simultaneous measurement of transverse load and temperature using two long-period fiber gratings multiplexed in the wavelength domain is presented experimentally.
Ismael Torres-Gómez +4 more
doaj +2 more sources
Mechanically Induced Long-Period Fiber Gratings and Applications
PhotonicsLong-period fiber gratings (LPFGs) functioning as band-reject filters have played a pivotal role in the realm of optical communication. Since their initial documentation in 1996, LPFGs have witnessed rapid advancements in areas such as optical sensing ...
Jiaqi Ran +7 more
doaj +2 more sources
Spectral Characteristics of Square-Wave-Modulated Type II Long-Period Fiber Gratings Inscribed by a Femtosecond Laser [PDF]
Sensors, 2021 We study here the spectral characteristics of square-wave-modulated type II long-period fiber gratings (LPFGs) inscribed by a femtosecond laser.
Xiaofan Zhao +5 more
doaj +2 more sources
Sensitivity Enhancement in Low Cutoff Wavelength Long-Period Fiber Gratings by Cladding Diameter Reduction. [PDF]
Sensors (Basel), 2017 The diameter of long-period fiber gratings (LPFGs) fabricated in optical fibers with a low cutoff wavelength was be reduced by hydrofluoric acid etching, enhancing the sensitivity to refractive index by more than a factor of 3, to 2611 nm/refractive ...
Del Villar I +8 more
europepmc +2 more sources
Step-changed long-period fiber gratings [PDF]
IEEE Photonics Technology Letters, 2014 Author name used in this publication: Chung-Loong ChoyAuthor name used in this publication: A-Ping ZhangAuthor name used in this publication: Muhtesem Süleyman DemokanAuthor name used in this publication: Xiao-Ming Tao2001-2002 > Academic research ...
Chan, HLW +6 more
core +3 more sources
Sensing Characteristics of Tilted Long Period Fiber Gratings Inscribed by Infrared Femtosecond Laser [PDF]
Sensors, 2018 We propose a novel tilted long period fiber grating (TLPFG) design, inscribed using a line-by-line inscription technique and an infrared femtosecond (Fs) laser.
Jian Tang +4 more
doaj +2 more sources
Optics Express, 2020 We demonstrated the fabrication of bandwidth tunable ultra-broadband mode converters based on CO2-laser inscribed long-period fiber gratings (LPFGs) and helical long-period gratings (HLPGs) in a two-mode fiber (TMF).
Xinyi Zhao, Yunqi Liu, Zuyao Liu, C. Mou
semanticscholar +3 more sources