Closedâform expression to optimize the fiber Bragg grating sensor apodization performance
Sign Up to like & getrecommendations! Published in 2017 at "Microwave and Optical Technology Letters"
DOI: 10.1002/mop.30658
Abstract: In this article, a new closed-form apodization expression, which describes the light propagation in fiber Bragg grating sensor (FBGS) according to the design setting of the sensor application, is developed and presented. The main goal… read more here.
Keywords: fiber bragg; grating sensor; apodization; bragg grating ... See more keywords
Model test study on overburden settlement law in coal seam backfill mining based on fiber Bragg grating technology
Sign Up to like & getrecommendations! Published in 2019 at "Arabian Journal of Geosciences"
DOI: 10.1007/s12517-019-4564-0
Abstract: Taking section 3600 of Pingzhuangxi coal mine as the prototype, we made the test model based on the theory of similarity, used the fiber Bragg grating (FBG) to study the deformation characteristics of overburden in… read more here.
Keywords: fiber bragg; bragg grating; coal; seam ... See more keywords
Research on the surface subsidence monitoring technology based on fiber Bragg grating sensing
Sign Up to like & getrecommendations! Published in 2017 at "Photonic Sensors"
DOI: 10.1007/s13320-016-0331-y
Abstract: In order to monitor the process of surface subsidence caused by mining in real time, we reported two types of fiber Bragg grating (FBG) based sensors. The principles of the FBG-based displacement sensor and the… read more here.
Keywords: fiber bragg; fbg based; bragg grating; subsidence monitoring ... See more keywords
A soil moisture estimation method using actively heated fiber Bragg grating sensors
Sign Up to like & getrecommendations! Published in 2018 at "Engineering Geology"
DOI: 10.1016/j.enggeo.2018.05.024
Abstract: Abstract Although many methods of soil moisture measurement exist, there remains a lack of soil moisture sensor with small volume, high precision, excellent real-time performance and distributed monitoring capability. In this paper, a fiber Bragg… read more here.
Keywords: fiber bragg; bragg grating; moisture; soil moisture ... See more keywords
High-Resolution Fiber Optic Sensor based on Coated Linearly Chirped Bragg Grating
Sign Up to like & getrecommendations! Published in 2020 at "Optik"
DOI: 10.1016/j.ijleo.2020.164698
Abstract: Abstract a fiber optic strain sensor is proposed and experimentally demonstrated using fiber Bragg grating (FBG) based interrogation scheme. Due to fast response time and better sensitivity of graphene oxide (GO) material, coated linearly chirped… read more here.
Keywords: fiber optic; bragg grating; coated linearly; strain ... See more keywords
A Fiber Bragg Grating acceleration sensor with temperature compensation
Sign Up to like & getrecommendations! Published in 2021 at "Optik"
DOI: 10.1016/j.ijleo.2021.166993
Abstract: Abstract A Fiber Bragg Grating(FBG) accelerometer based on a composite beam is proposed. Owing to the opposite movement of the two FBGs, the influence of temperature can be reduced and the sensitivity can be improved… read more here.
Keywords: fiber bragg; temperature; bragg grating; acceleration sensor ... See more keywords
A fiber Bragg grating based earth and water pressures transducer with three-dimensional fused deposition modeling for soil mass
Sign Up to like & getrecommendations! Published in 2021 at "Journal of Rock Mechanics and Geotechnical Engineering"
DOI: 10.1016/j.jrmge.2021.07.009
Abstract: Abstract A novel fiber Bragg grating (FBG) sensor with three-dimensional (3D) fused deposition modeling (FDM) approach is proposed for effective stress measurement in soil mass. The three-diaphragm structure design is developed to measure earth and… read more here.
Keywords: fiber bragg; water pressures; earth water; water ... See more keywords
A self-demodulated fiber Bragg grating for investigating impact-induced transient responses of phononic crystal beams
Sign Up to like & getrecommendations! Published in 2018 at "Journal of Sound and Vibration"
DOI: 10.1016/j.jsv.2018.04.035
Abstract: Abstract This work presents a fiber Bragg grating (FBG) displacement sensing system to experimentally investigate the dynamic behaviors of phononic crystal (PC) beams through impact-induced early short time or long time transient responses. Based on… read more here.
Keywords: fiber bragg; time; transient responses; bragg grating ... See more keywords
A new method for scour monitoring based on fiber Bragg grating
Sign Up to like & getrecommendations! Published in 2018 at "Measurement"
DOI: 10.1016/j.measurement.2018.03.053
Abstract: Abstract This paper introduces feasibility study of scour depth determination based on lateral soil pressure measurement. The method is used for sensors which are made of fiber Bragg grating (FBG) as the sensing element, where… read more here.
Keywords: fiber bragg; new method; water pressure; bragg grating ... See more keywords
Off-axis ultraviolet-written thin-core fiber Bragg grating for directional bending measurements
Sign Up to like & getrecommendations! Published in 2018 at "Optics Communications"
DOI: 10.1016/j.optcom.2017.09.061
Abstract: Abstract A directional bending sensor based on thin-core fiber Bragg grating is proposed and demonstrated experimentally. It is inscribed by off-center technique and exposed by 193 nm ArF excimer laser through a phase mask. A… read more here.
Keywords: fiber bragg; thin core; directional bending; fiber ... See more keywords
Ultra sensitive NH3 gas detection using microfiber Bragg Grating
Sign Up to like & getrecommendations! Published in 2018 at "Optics Communications"
DOI: 10.1016/j.optcom.2018.06.059
Abstract: Abstract In this paper, a microfiber Bragg grating (MFBG) is proposed and performed to detect ammonia gas directly with high sensitivity. The sensor is fabricated by etching Fiber Bragg grating (FBG) inscribed in a single… read more here.
Keywords: microfiber bragg; bragg grating; gas detection; gas ... See more keywords