Relevant bibliographies by topics / Grating sensor

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  1. Journal articles
  2. Dissertations / Theses
  3. Books
  4. Book chapters
  5. Conference papers
  6. Reports

Academic literature on the topic 'Grating sensor'

Author: Grafiati
Published: 6 September 2023

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Journal articles on the topic "Grating sensor"

1

Bartelt, Hartmut. "Fiber Bragg Grating Sensors and Sensor Arrays." Advances in Science and Technology 55 (September 2008): 138–44. http://dx.doi.org/10.4028/www.scientific.net/ast.55.138.

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Fiber Bragg gratings have found widespread application in sensor systems, e. g. for temperature, strain or refractive index measurements. The concept of fiber Bragg gratings allows also in a simple way the realisation of arrays of such sensors. The development of such optical fiber sensor systems often requires special fibers and grating structures which may go beyond more conventional Bragg grating structures in typical communication fibers. Concerning fibers there is, for example., a need of achieving fiber gratings in small diameter fibers and fiber tapers as well as in microstructured fibers. Special fiber grating structures are of interest e.g. in the visible wavelength range, which requires smaller spatial structures compared to more conventional gratings in the near infrared wavelength region. Examples for such modern developments in fiber Bragg grating technology for sensor applications will be presented and discussed.
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Tian, Zhenhua, Lingyu Yu, Xiaoyi Sun, and Bin Lin. "Damage localization with fiber Bragg grating Lamb wave sensing through adaptive phased array imaging." Structural Health Monitoring 18, no. 1 (February 19, 2018): 334–44. http://dx.doi.org/10.1177/1475921718755572.

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Fiber Bragg gratings are known being immune to electromagnetic interference and emerging as Lamb wave sensors for structural health monitoring of plate-like structures. However, their application for damage localization in large areas has been limited by their direction-dependent sensor factor. This article addresses such a challenge and presents a robust damage localization method for fiber Bragg grating Lamb wave sensing through the implementation of adaptive phased array algorithms. A compact linear fiber Bragg grating phased array is configured by uniformly distributing the fiber Bragg grating sensors along a straight line and axially in parallel to each other. The Lamb wave imaging is then performed by phased array algorithms without weighting factors (conventional delay-and-sum) and with adaptive weighting factors (minimum variance). The properties of both imaging algorithms, as well as the effects of fiber Bragg grating’s direction-dependent sensor factor, are characterized, analyzed, and compared in details. The results show that this compact fiber Bragg grating array can precisely locate damage in plates, while the comparisons show that the minimum variance method has a better imaging resolution than that of the delay-and-sum method and is barely affected by fiber Bragg grating’s direction-dependent sensor factor. Laboratory tests are also performed with a four–fiber Bragg grating array to detect simulated defects at different directions. Both delay-and-sum and minimum variance methods can successfully locate defects at different positions, and their results are consistent with analytical predictions.
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Cao, Jianjun, Yuan Sun, Yan Kong, and Weiying Qian. "The Sensitivity of Grating-Based SPR Sensors with Wavelength Interrogation." Sensors 19, no. 2 (January 19, 2019): 405. http://dx.doi.org/10.3390/s19020405.

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In this paper, we derive the analytical expression for the sensitivity of grating-based surface plasmon resonance (SPR) sensors working in wavelength interrogation. The theoretical analysis shows that the sensitivity increases with increasing wavelength and is saturated beyond a certain wavelength for Au and Ag gratings, while it is almost constant for Al gratings in the wavelength range of 500 to 1000 nm. More importantly, the grating period (P) and the diffraction order (m) dominate the value of sensitivity. Higher sensitivity is possible for SPR sensors with a larger grating period and lower diffraction order. At long wavelengths, a simple expression of P/|m| can be used to estimate the sensor sensitivity. Moreover, we perform experimental measurements of the sensitivity of an SPR sensor based on an Al grating to confirm the theoretical calculations.
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Jiao, Fei, Yuqing Lei, Guozheng Peng, Funing Dong, Qing Yang, and Wei Liao. "Grating Spectrum Design and Optimization of GMM-FBG Current Sensor." Energies 16, no. 2 (January 16, 2023): 997. http://dx.doi.org/10.3390/en16020997.

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In this study, the performance of a current sensor based on giant magnetostrictive materials (GMM) and fiber Bragg grating (FBG) has been improved by optimizing the spectral characteristics of gratings. By analyzing the influence of FBG on the current sensor characteristics, three key parameters (gate region length, refractive index modulation depth, and toe cutting system) are selected for optimization. The optimal grating parameters are determined to improve the linearity and sensitivity of sensor output. Experimental tests reveal that after grating optimization, the current sensor shows excellent performance parameters, including a linearity of 0.9942, sensitivity of 249.75 mV/A, and good stability in the temperature range of 0–60 °C. This research can provide a reference for improving the grating design and performance of existing GMM-FBG current sensors.
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Gao, Xiaoyu, Shengjie Cao, Yongqiu Zheng, and Jiandong Bai. "A Compact Fabry–Pérot Acoustic Sensor Based on Silicon Optical Waveguide Bragg Gratings." Photonics 10, no. 8 (July 25, 2023): 861. http://dx.doi.org/10.3390/photonics10080861.

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No membranous optical sensors have excellent development prospects in aerospace and other industrial fields due to their small size and anti-electromagnetic interference. Here, we proposed a novel Fabry–Pérot (FP) cavity acoustic sensor based on silicon optical waveguide Bragg gratings. The FP cavity consists of two Bragg gratings written on the silicon-based optical waveguide and a miniature air groove. When the sound signal acts on the miniature air groove, the sound pressure changes the density of air molecules near the waveguide grating’s evanescent field, causing variation in the air’s refractive index. This results in a shift in the reflection spectrum of the FP cavity to detect the sound signal. The effects of the grating period, grating pitch quantity, and groove depth of the FP cavity on acoustic sensing were studied. The modelling predicts that the sensing sensitivity could be 0.4 nm/Pa. Theoretically, the compact self-designed acoustic sensor can withstand temperatures above 800 °C. Therefore, it has significant potential applications in precision measurement in high-temperature and high-pressure environments.
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Babu, Sachin, and Jeong-Bong Lee. "Axially-Anisotropic Hierarchical Grating 2D Guided-Mode Resonance Strain-Sensor." Sensors 19, no. 23 (November 28, 2019): 5223. http://dx.doi.org/10.3390/s19235223.

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Guided-mode resonance strain sensors are planar binary gratings that have fixed resonance positions and quality factors decided by material properties and grating parameters. If one is restricted by material choices, the quality factor can only be improved by adjusting the grating parameters. We report a new method to improve quality factor by applying a slotting design rule to a grating design. We investigate this design rule by first providing a theoretical analysis on how it works and then applying it to a previously studied 2D solid-disc guided-mode resonance grating strain sensor design to create a new slotted-disc guided-mode resonance grating design. We then use finite element analysis to obtain reflection spectrum results that show the new design produces resonances with at least a 6-fold increase in quality factor over the original design and more axially-symmetric sensitivities. Lastly, we discuss the applicability of the slotting design rule to binary gratings in general as a means of improving grating performance while retaining both material and resonance position choices.
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7

Bartelt, Hartmut. "Trends in Bragg Grating Technology for Optical Fiber Sensor Applications." Key Engineering Materials 437 (May 2010): 304–8. http://dx.doi.org/10.4028/www.scientific.net/kem.437.304.

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Fiber Bragg gratings have found widespread and successful applications in optical sensor systems, e. g. for temperature, strain or refractive index measurements. Such sensor elements are fiber integrated, are applicable under harsh environmental conditions, and can be easily multiplexed. In order to further extend the field of applications, there is a great interest in specifically adapted Bragg gratings, in Bragg grating structures with increased stability, or in the use of special fiber types for grating inscription. The paper discusses such specific concepts for grating inscription, covers novel aspects of fiber gratings in small diameter fibers or in fiber tapers, of gratings in pure silica fibers without UV sensitivity, of grating inscription in different microstructured fibers or photonic crystal fibers, and investigates the concept of femtosecond inscription and the extension of the Bragg reflection wavelengths down to the visible range.
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Thursby, G., B. Sorazu, D. Betz, M. Staszewski, and B. Culshaw. "The Use of Fibre Optic Sensors for Damage Detection and Location in Structural Materials." Applied Mechanics and Materials 1-2 (September 2004): 191–96. http://dx.doi.org/10.4028/www.scientific.net/amm.1-2.191.

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The measurement of changes in the properties of ultrasonic Lamb waves propagating through structural material has frequently been proposed as a method for the detection of damage. In this paper we describe work that uses optical fibre sensors to detect the Lamb waves and show that the directional properties of these sensors allow us to not only detect damage, but also to locate it. We look at two types of optical fibre sensor, a polarimetric sensor and the fibre Bragg grating. The polarimetric sensor measures the change in birefringence of a fibre caused by the pressure wave of the ultrasound acting upon it. This is an integrated sensor since the fibre length bonded to the sample needs to be greater than the ultrasonic wavelength in order to obtain the required sensitivity. The maximum sensitivity of this sensor is when the fibre is positioned normal to the direction of wave propagation. Fibre Bragg gratings are essentially point sensors since the grating length needs to be a fraction of the ultrasound wavelength to obtain maximum sensitivity. Ultrasound is detected mainly through the in-plane strain it produces and maximum sensitivity is therefore produced when the grating is aligned parallel to the direction of wave propagation. Holes drilled into sample plates can be detected using both type of sensor by examining the changes in either the transmitted Lamb wave or through detection of the reflections produced by the hole. The sensitivity of the technique is shown to be determined by the relative positions of the acoustic source, the hole and the sensor. If we use fibre Bragg gratings in a rosette configuration (i.e. 3 gratings forming an equilateral triangle) then the direction of the Lamb wave can be determined using the directional sensitivities of the gratings. Using two such rosettes allows us to calculate the source of the wave from the intersection of two of these directions. If the source of the wave is the hole (which acts as a passive source), then the location of that hole can be determined.
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Yang, Zhiyong, Xiaochen Ma, Daguo Yu, Bin Cao, Qianqi Niu, Mengwei Li, and Chenguang Xin. "An Ultracompact Angular Displacement Sensor Based on the Talbot Effect of Optical Microgratings." Sensors 23, no. 3 (January 17, 2023): 1091. http://dx.doi.org/10.3390/s23031091.

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Here, we report an ultracompact angular displacement sensor based on the Talbot effect of optical microgratings. Periodic Talbot interference patterns were obtained behind an upper optical grating. By putting another grating within the Talbot region, the total transmission of the two-grating structure was found to be approximatively in a linear relationship with the relative pitch angle between the two gratings, which was explained by a transversal shift of the Talbot interference patterns. The influence of the grating parameters (e.g., the grating period, the number of grating lines and the gap between the two gratings) was also studied in both a simulation and an experiment, showing a tunable sensitivity and range by simply changing the grating parameters. A sensitivity of 0.19 mV/arcsec was experimentally obtained, leading to a relative sensitivity of 0.27%/arcsec within a linear range of ± 396 arcsec with the 2 μm-period optical gratings. Benefitting from tunable properties and an ultracompact structure, we believe that the proposed sensor shows great potential in applications such as aviation, navigation, robotics and manufacturing engineering.
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Missinne, Jeroen, Nuria Teigell Benéitez, Marie-Aline Mattelin, Alfredo Lamberti, Geert Luyckx, Wim Van Paepegem, and Geert Van Steenberge. "Bragg-Grating-Based Photonic Strain and Temperature Sensor Foils Realized Using Imprinting and Operating at Very Near Infrared Wavelengths." Sensors 18, no. 8 (August 18, 2018): 2717. http://dx.doi.org/10.3390/s18082717.

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Thin and flexible sensor foils are very suitable for unobtrusive integration with mechanical structures and allow monitoring for example strain and temperature while minimally interfering with the operation of those structures. Electrical strain gages have long been used for this purpose, but optical strain sensors based on Bragg gratings are gaining importance because of their improved accuracy, insusceptibility to electromagnetic interference, and multiplexing capability, thereby drastically reducing the amount of interconnection cables required. This paper reports on thin polymer sensor foils that can be used as photonic strain gage or temperature sensors, using several Bragg grating sensors multiplexed in a single polymer waveguide. Compared to commercially available optical fibers with Bragg grating sensors, our planar approach allows fabricating multiple, closely spaced sensors in well-defined directions in the same plane realizing photonic strain gage rosettes. While most of the reported Bragg grating sensors operate around a wavelength of 1550 nm, the sensors in the current paper operate around a wavelength of 850 nm, where the material losses are the lowest. This was accomplished by imprinting gratings with pitches 280 nm, 285 nm, and 290 nm at the core-cladding interface of an imprinted single mode waveguide with cross-sectional dimensions 3 × 3 µm2. We show that it is possible to realize high-quality imprinted single mode waveguides, with gratings, having only a very thin residual layer which is important to limit bend losses or cross-talk with neighboring waveguides. The strain and temperature sensitivity of the Bragg grating sensors was found to be 0.85 pm/µε and −150 pm/°C, respectively. These values correspond well with those of previously reported sensors based on the same materials but operating around 1550 nm, taking into account that sensitivity scales with the wavelength.
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Dissertations / Theses on the topic "Grating sensor"

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Sethuraman, Gopakumar. "Fiber Bragg Grating (FBG) Based Chemical Sensor." VCU Scholars Compass, 2008. http://scholarscompass.vcu.edu/etd/1575.

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In this work, reagentless fiber optic-based chemical sensors for water quality testing were fabricated by coating fiber Bragg gratings with the glassy polymer cellulose acetate. With this polymeric matrix capable of localizing or concentrating chemical constituents within its structure, immersion of the coated grating in various chemical solutions causes the rigid polymer to expand and mechanically strain the glass fiber. The corresponding changes in the periodicity of the grating subsequently result in altered Bragg-reflected responses. A high-resolution tunable fiber ring laser interrogator is used to obtain room temperature reflectance spectrograms from two fiber gratings at 1550 nm and 1540 nm wavelengths. Rapidly swept measurements of the full spectral shapes yield real-time chemical detection and identification. With deionized water as a reference, wavelength shifts in the reflectivity transition edge from –82 pm to +43 pm and changes in response bandwidth from –27 pm to +42 pm are used to identify uniquely a diverse selection of chemical analytes.
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Lloyd, Glynn D. "Resonant cavity Fibre Bragg grating sensor interrogation." Thesis, Aston University, 2004. http://publications.aston.ac.uk/8007/.

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This thesis presents a novel high-performance approach to time-division-multiplexing (TDM) fibre Bragg grating (FBG) optical sensors, known as the resonant cavity architecture. A background theory of FBG optical sensing includes several techniques for multiplexing sensors. The limitations of current wavelength-division-multiplexing (WDM) schemes are contrasted against the technological and commercial advantage of TDM. The author’s hypothesis that ‘it should be possible to achieve TDM FBG sensor interrogation using an electrically switched semiconductor optical amplifier (SOA)’ is then explained. Research and development of a commercially viable optical sensor interrogator based on the resonant cavity architecture forms the remainder of this thesis. A fully programmable SOA drive system allows interrogation of sensor arrays 10km long with a spatial resolution of 8cm and a variable gain system provides dynamic compensation for fluctuating system losses. Ratiometric filter- and diffractive-element spectrometer-based wavelength measurement systems are developed and analysed for different commercial applications. The ratiometric design provides a low-cost solution that has picometre resolution and low noise using 4% reflective sensors, but is less tolerant to variation in system loss. The spectrometer design is more expensive, but delivers exceptional performance with picometre resolution, low noise and tolerance to 13dB system loss variation. Finally, this thesis details the interrogator’s peripheral components, its compliance for operation in harsh industrial environments and several examples of commercial applications where it has been deployed. Applications include laboratory instruments, temperature monitoring systems for oil production, dynamic control for wind-energy and battery powered, self-contained sub-sea strain monitoring.
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Shengnan, Geng, Wang Xinglai, and Feng Hui. "FIBER BRAGG GRATING SENSOR SYSTEM FOR MONITORING COMPOSITE AEROSPACE STRUCTURES." International Foundation for Telemetering, 2016. http://hdl.handle.net/10150/624242.

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To investigate strain-sensitive characteristics of fiber Bragg grating (FBG) sensors, a minimal sensing system consisting of multiplex FBG sensors and signal demodulating and processing instruments was constructed. FBG sensors were designed with different package structures for respectively sensing strain or temperature parameters, and they returned measurand-dependent wavelengths back to the interrogation system for measurement with high resolution. In this paper, tests were performed on structure samples with step-wise increase of deformations. Both FBG sensing system and strain gages were tested and compared. Experimental work proved that the FBG sensing system had a good level of accuracy in measuring the static response of the tested composite structure. Moreover the additional advantages such as damp proofing, high sampling rates and real-time inspection make the novel system especially appropriate for load monitoring and damage detection of aerospace structures.
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Maikisch, Jonathan Stephen. "Compact silicon diffractive sensor: design, fabrication, and functional demonstration." Diss., Georgia Institute of Technology, 2012. http://hdl.handle.net/1853/45882.

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The primary objective of the presented research is to develop a class of integrated compact silicon diffractive sensors (CSDS) based on in-plane diffraction gratings. This class of sensors uses a silicon-on-insulator (SOI) substrate to limit costs, exploit established fabrication processes, enable integration of supporting electronics, and use the well-understood telecommunications wavelength of 1.55µm. Sensing is achieved by combining constant-diffraction-efficiency and highly-angularly-selective in-plane resonance-domain diffraction gratings. Detection is based on the diffraction efficiency of the highly angularly selective grating. In this research, the design processes for the constant-diffraction-efficiency and the highly angularly selective gratings are detailed. Grating designs are optimized with rigorous coupled-wave analysis (RCWA) and simulated with finite-difference time-domain (FDTD) analysis. Fabrication results are presented for the CSDS gratings. An inductively coupled plasma (ICP) Bosch etch process enables grating fabrication to within one percent of designed values with nearly vertical sidewalls. Experimental results are presented for individual CSDS gratings, the prototype sensor, and a prototype linear sensor array. The results agree well with simulation. The linear sensor array prototype demonstrates the intrinsic splitting mechanism and forms the basis of a 2-D sensor array. Finally, a toluene sensor was functionally demonstrated. The proof-of-concept device includes a polymer immobilization layer and microfluidic delivery of toluene. Toluene concentrations as low as 100ppm are measured, corresponding to a refractive index change of 3x10⁻⁴ RIU.
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Al-Tarawneh, Mu'ath. "Traffic Monitoring System Using In-Pavement Fiber Bragg Grating Sensors." Diss., North Dakota State University, 2019. https://hdl.handle.net/10365/31539.

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Recently, adding more lanes becomes less and less feasible, which is no longer an applicable solution for the traffic congestion problem due to the increment of vehicles. Using the existing infrastructure more efficiently with better traffic control and management is the realistic solution. An effective traffic management requires the use of monitoring technologies to extract traffic parameters that describe the characteristics of vehicles and their movement on the road. A three-dimension glass fiber-reinforced polymer packaged fiber Bragg grating sensor (3D GFRP-FBG) is introduced for the traffic monitoring system. The proposed sensor network was installed for validation at the Cold Weather Road Research Facility in Minnesota (MnROAD) facility of Minnesota Department of Transportation (MnDOT) in MN. A vehicle classification system based on the proposed sensor network has been validated. The vehicle classification system uses support vector machine (SVM), Neural Network (NN), and K-Nearest Neighbour (KNN) learning algorithms to classify vehicles into categories ranging from small vehicles to combination trucks. The field-testing results from real traffic show that the developed system can accurately estimate the vehicle classifications with 98.5 % of accuracy. Also, the proposed sensor network has been validated for low-speed and high-speed WIM measurements in flexible pavement. Field testing validated that the longitudinal component of the sensor has a measurement accuracy of 86.3% and 89.5% at 5 mph and 45 mph vehicle speed, respectively. A performed parametric study on the stability of the WIM system shows that the loading position is the most significant parameter affecting the WIM measurements accuracy compared to the vehicle speed and pavement temperature. Also the system shows the capability to estimate the location of the loading position to enhance the system accuracy.
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Igata, Eishi. "Hydrocarbon vapour detection by waveguide-based sensor using Bragg grating reflector." Thesis, University of Oxford, 2001. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.365443.

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Dowker, Kenneth Paul. "Long period fibre grating as gas sensor for environmental pollution monitoring." Thesis, Sheffield Hallam University, 2003. http://shura.shu.ac.uk/19578/.

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The principle objective of the work presented in this thesis is to investigate and demonstrate the possibility of utilising the inherent properties of long-period gratings (LPGs) to detect the existence and concentration of a given gas in the region immediately surrounding the fibre cladding. The principle and the viability of using LPGs for sensor applications is supported by the preliminary results reported here. However, the sensitivity of the sensor requires further improvement before it can in any way challenge the existing sensors in this field. The operational characteristics and limitations of existing optical sensors are reviewed and the advantages of a LPG based optical sensor highlighted. Thorough explanations of the theory and principles of light propagation, mode formation, and mode coupling in optical fibres are presented. Computer simulations predicting the optical effects due to changes in ambient indices from theoretical conditions are successfully derived, confirming the results obtained by experimental investigation. Various established coating methods are investigated and utilised in the application of optically sensitive compounds adsorbed onto the cladding with different levels of success, the poly-electrolyte self assembly (PESA) and evaporation methods proving most suitable. A novel method of monitoring the build up of PESA layers in-situ using surface plasmon resonance (SPR) methods is introduced. The coating chemicals used in this investigation showed some optical sensitivity at the optimum wavelengths used in optical fibres to the various gases being monitored, in most cases causing a detectable change in the optical characteristics of the modes in the LPG.This study has shown the possibility of using a suitably prepared LPG as a gas sensor. The LPG is coated with a chemical whose refractive index is changed by absorption of a given gas and thus the change in the coupling wavelengths being caused by the existence of the gas. Maximum shifts in coupling wavelength of +/-1.5 nm for relatively high gas concentrations are observed. The possibility of using a coating material which absorbs water, or surrounding the LPG with a suitable liquid is also demonstrated, the refractive index of the coating or liquid and thus the coupling wavelength shift being affected by the reaction of the gas. The possibility of using a single temperature immune LPG for ambient index sensing by observing different coupling wavelengths in the same grating is also reported.
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Liu, Chen. "Advanced optical fibre grating sensors for biochemical applications." Thesis, Bangor University, 2019. https://research.bangor.ac.uk/portal/en/theses/advanced-optical-fibre-grating-sensors-for-biochemical-applications(29757d94-bfe1-4d75-a4db-8563be1a056f).html.

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This thesis describes a detailed study of advanced fibre optic sensors and their applications for label-free biochemical detection. The major contributions presented in this thesis are summarised below. A self-assembly based in-situ layer-by-layer (i-LbL) or multilayer deposition technique has been developed to deposit the 2D material nanosheets on cylindrical fibre devices. This deposition technique is based on the chemical bonding associated with the physical adsorption, securing high-quality 2D materials coating on specific fibre cylindrical surface with strong adhesion as well as a prospective thickness control. Then a " Photonic-nano-bio configuration", which is bioprobes immobilised 2D-(nano)material deposited fibre grating, was built. 2D material overlay provides a remarkable analytical platform for bio-affinity binding interface due to its exceptional optical and biochemical properties. EDC (1-ethyl-3-(3-dimethylaminopropyl)carbodiimide) and NHS (NHydroxysuccinimide) were used to immobilise bioprobes. This kind of configuration is considered to have many advantages such as: enhanced RI sensitivity, enrich immobilisation sites, improved binding efficiency, selective detection. Followed by this configuration, several label-free biosensors were developed. For example, graphene oxide coated dual-peak long period grating (GO-dLPG) based immunosensor has been implemented for ultrasensitive detection of antibody/antigen interaction. The GO-LPG based biosensor has been developed for label-free haemoglobin detection. Apart from biosensors, the black phosphorus (BP) integrated tilted fibre grating (TFG) has been proposed, for the first time, as BP-fibre optic chemical sensor for heavy metal (Pb2+ ions) detection, demonstrating ultrahigh sensitivity, lower limit of detection and wider concentration range. Ultrafast laser micromachining technology has been employed to fabricate long period grating (LPG) and microstructures on optical fibre. The ultrafast laser micromachined polymer optical fibre Bragg grating (POFBG) has been developed for humidity sensing, showing the significant improvement with the reduced response time.
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Cooper, David J. F. "Time division multiplexing of a serial fibre optic Bragg grating sensor array." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1999. http://www.collectionscanada.ca/obj/s4/f2/dsk1/tape8/PQDD_0001/MQ45424.pdf.

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Bigué, Jason. "Development of a novel serially multiplexed fiber Bragg grating sensor system using Fourier analysis." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1997. http://www.collectionscanada.ca/obj/s4/f2/dsk2/ftp01/MQ28815.pdf.

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Books on the topic "Grating sensor"

1

Cooper, David J. F. Time division multiplexing of a serial fibre optic Bragg grating sensor array. Ottawa: National Library of Canada, 1999.

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Bigué, Jason. Development of a novel serially multiplexed fiber Bragg grating sensor system using Fourier analysis. Ottawa: National Library of Canada = Bibliothèque nationale du Canada, 1999.

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Bigué, Jason. Development of a novel serially multiplexed fiber Bragg grating sensor system using Fourier analysis. [Toronto]: Univsity of Toronto Institute for Aerspace Studie, 1997.

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Lee, Xavier. Development of a bragg grating fabrication facility and demonstration of its capabilities in fibre based telecommunication, laser, and sensor applications. Ottawa: National Library of Canada, 1994.

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Lee, Xavier. Development of a Bragg grating fabrication facility and demonstration of its capabilities in fibre based telecommunication, laser, and sensor applications. [Toronto, Ont.]: University of Toronto, Graduate Dept. of Aerospace Engineering, 1995.

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V, Grattan K. T., and Meggitt B. T, eds. Optical fiber sensor technology: Advanced applications : Bragg gratings and distributed sensors. Boston: Kluwer Academic, 2000.

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Grattan, K. T. V. Optical Fiber Sensor Technology: Advanced Applications - Bragg Gratings and Distributed Sensors. Boston, MA: Springer US, 2000.

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Daud, Suzairi, and Jalil Ali. Fibre Bragg Grating and No-Core Fibre Sensors. Cham: Springer International Publishing, 2018. http://dx.doi.org/10.1007/978-3-319-90463-4.

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Melle, Serge Michel. A wavelength demodulation system for use with fibre optic Bragg grating sensors. [Toronto, Ont.]: University of Toronto, 1992.

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Grigory, Adamovsky, Floyd Bertram, and NASA Glenn Research Center, eds. Demodulation system for fiber optic Bragg grating dynamic pressure sensing. [Cleveland, Ohio]: National Aeronautics and Space Administration, Glenn Research Center, 2001.

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Book chapters on the topic "Grating sensor"

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Perez, Ignacio, Vinod Agarwala, William R. Scott, and Som Dev Tyagi. "Bragg Grating Corrosion Sensor." In Review of Progress in Quantitative Nondestructive Evaluation, 2081–88. Boston, MA: Springer US, 1995. http://dx.doi.org/10.1007/978-1-4615-1987-4_266.

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Du, Yanliang, Baochen Sun, Jianzhi Li, and Wentao Zhang. "Fiber Bragg Grating Sensor." In Optical Fiber Sensing and Structural Health Monitoring Technology, 77–148. Singapore: Springer Singapore, 2019. http://dx.doi.org/10.1007/978-981-13-2865-7_3.

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Bartelt, Hartmut. "Fiber Bragg Grating Sensors and Sensor Arrays." In Advances in Science and Technology, 138–44. Stafa: Trans Tech Publications Ltd., 2008. http://dx.doi.org/10.4028/3-908158-12-5.138.

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Rao, Y. J. "Fiber Bragg grating sensors: principles and applications." In Optical Fiber Sensor Technology, 355–79. Boston, MA: Springer US, 1998. http://dx.doi.org/10.1007/978-1-4615-5787-6_11.

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Ning, Y. N., and B. T. Meggitt. "Fiber Bragg grating sensors: signal processing aspects." In Optical Fiber Sensor Technology, 381–417. Boston, MA: Springer US, 1998. http://dx.doi.org/10.1007/978-1-4615-5787-6_12.

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Ramos, C. A., R. de Oliveira, R. D. S. G. Campilho, and A. T. Marques. "Modelling of fibre Bragg grating sensor plates." In III European Conference on Computational Mechanics, 168. Dordrecht: Springer Netherlands, 2006. http://dx.doi.org/10.1007/1-4020-5370-3_168.

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Gul, Baseerat, and Faroze Ahmad. "Comparative Performance Analysis of Tanh-Apodized Fiber Bragg Grating and Gaussian-Apodized Fiber Bragg Grating as Hybrid Dispersion Compensation Model." In IoT and Analytics for Sensor Networks, 71–82. Singapore: Springer Singapore, 2021. http://dx.doi.org/10.1007/978-981-16-2919-8_7.

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Yu, Yang, Guoliang Wang, and Bo Liu. "Research on Fiber Bragg Grating Acoustic Emission Sensor." In Springer Proceedings in Physics, 37–48. Cham: Springer International Publishing, 2019. http://dx.doi.org/10.1007/978-3-030-12111-2_4.

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Kulkarni, Madhuri R., B. R. Manoj Kumar, Mayur Mohan Malghan, G. Mohamedarif, and Rajini V. Honnungar. "Planar Waveguide Bragg Grating Pressure Sensor—Design and Applications." In Lecture Notes in Electrical Engineering, 53–62. Singapore: Springer Singapore, 2020. http://dx.doi.org/10.1007/978-981-15-3477-5_8.

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Lyu, Guohui, Yu Sun, Yan Zhang, Chaozheng Wang, Xiaohang Liu, and Xu Jiang. "High Temperature Sensor Based on Regenerative Fiber Bragg Grating." In Lecture Notes in Electrical Engineering, 89–97. Singapore: Springer Singapore, 2019. http://dx.doi.org/10.1007/978-981-13-8595-7_11.

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Conference papers on the topic "Grating sensor"

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Morey, W. W., G. A. Ball, G. Meltz, J. R. Dunphy, and A. D. Kersey. "Advances in Fiber Grating Sensors." In Photosensitivity and Quadratic Nonlinearity in Glass Waveguides. Washington, D.C.: Optica Publishing Group, 1995. http://dx.doi.org/10.1364/pqn.1995.pmc.1.

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Properly annealed fiber gratings can be used as sensor transducer elements at temperatures of 400° C over long periods of time without measurable changes. At 650° C, however, a problem was observed with creep or hysteresis of the grating response. At even higher temperatures diffusion of the core material will become a problem for long term operation. A couple new decoding schemes for fiber grating sensors use matched gratings and acousto-optic tunable filter in the decoding unit These systems can measure many grating transducer elements simultaneously with high sensitivity. Short cavity fiber lasers that utilized fiber gratings can also act as sensor transducer elements giving one ultra high sensitivities that are limited by the fundamental noise in the fiber. One fiber laser sensor uses hetrodyning to generate a signal that can be measured on an RF spectrum analyzer. New techniques for simultaneous measurement of temperature and strain will also be discussed.
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Claus, Richard O. "Sensor Instrumentation for Smart Materials and Structures." In ASME 1996 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 1996. http://dx.doi.org/10.1115/imece1996-0656.

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Abstract This paper reviews recent progress in the development and testing of sensor instrumentation for smart materials and structures, with specific consideration of sensors based on optical fiber techniques. General classes of fiber-based sensor platforms for mechanical measurements are discussed, specifically including Fabry-Perot and grating-based devices. Extrinsic Fabry-Perot interferometric (EFPI) sensors are shown to be advantageous for applications involving embedding in materials and for use in particularly harsh environments, while gratings are shown to be useful in situations requiring distributed sensor multiplexing. The very recent development of long-period grating (LPG) sensors that overcome troublesome observable cross-sensitivity while allowing increased sensitivity and low-cost manufacturing is presented. Applications of fiber sensor instrumentation in recent smart structure demonstration articles is referenced.
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Gill, Apninder, Kara Peters, and Michel Studer. "Genetic Algorithm for the Reconstruction of Bragg Grating Sensor Strain Distribution." In ASME 2003 International Mechanical Engineering Congress and Exposition. ASMEDC, 2003. http://dx.doi.org/10.1115/imece2003-42669.

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Optical fiber Bragg gratings are unique among embedded strain sensors due to their potential to measure strain distributions with a spatial resolution of a few nanometers over gage lengths of a few centimeters. This article presents a genetic algorithm for the interrogation of optical fiber Bragg grating strain sensors. The method calculates the period distribution along the Bragg grating which can then be directly related to the axial strain distribution. The period distribution is determined from the output intensity spectrum of the grating via a T-matrix approach. The genetic algorithm inversion method presented requires only intensity information and reconstructs non-linear and discontinuous distributions well, including regions with significant gradients. The method is demonstrated through example reconstructions of Bragg grating sensor simulated data. The development of this algorithm will permit the use of Bragg grating sensors for damage identification in regions close to localized damages where strong strain non-linearities occur.
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Long, Pin. "Fiber Bragg grating sensor and waveguide grating sensor." In Photonics North 2011, edited by Raman Kashyap, Michel Têtu, and Rafael N. Kleiman. SPIE, 2011. http://dx.doi.org/10.1117/12.905410.

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Xu, M. G., L. Dong, L. Reekie, J. A. Tucknott, and J. L. Cruz. "Chirped fibre gratings for temperature-independent strain sensing." In Photosensitivity and Quadratic Nonlinearity in Glass Waveguides. Washington, D.C.: Optica Publishing Group, 1995. http://dx.doi.org/10.1364/pqn.1995.pmb.2.

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Fibre Bragg grating sensors are of considerable interest for a number of sensing applications [1-6]. More recently, chirped Bragg gratings are attracting research interest for strain sensing [2,3]. However, undesirable temperature sensitivity of the fibre grating sensor may complicate its use as a strain gauge. Morey et. al. have suggested that the temperature can be measured and compensated for using a second grating element contained within a different material and placed in series with the first grating [4]. We have also demonstrated that the problem can be resolved by arranging for the simultaneous measurement of strain and temperature [5], or by arranging for the thermal response to be cancelled [6]. Nevertheless, all of the above methods are difficult to implement when a large number of fibre gratings are involved in a multiplexed sensing system. In this paper we describe a novel temperature-independent strain sensor based on the use of a chirped fibre grating in a tapered optical fibre.
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Chang, Mark P. J. L., and Haedah Nazari Gooransarab. "Grating-based curvature sensor." In Photonics Asia 2002, edited by Wenhan Jiang and Robert K. Tyson. SPIE, 2002. http://dx.doi.org/10.1117/12.481676.

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Dovgalenko, George E., and Wladimir Eskov-Soskovetz. "Submicron grating adaptive sensor." In Lasers and Optics in Manufacturing III, edited by Otmar Loffeld. SPIE, 1997. http://dx.doi.org/10.1117/12.287733.

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Morey, William W. "Fiber optic grating technology." In Pacific Northwest Fiber Optic Sensor Workshop, edited by Eric Udd. SPIE, 1995. http://dx.doi.org/10.1117/12.207762.

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Kunzler, Wesley, Zixu Zhu, Richard Selfridge, Stephen Schultz, and Michael Wirthlin. "Integrating fiber Bragg grating sensors with sensor networks." In 2008 IEEE AUTOTESTCON. IEEE, 2008. http://dx.doi.org/10.1109/autest.2008.4662640.

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Liu, Jiayi, Sinuo Wang, Yongchao Wang, Luying Zhu, and Jihong Liu. "A Transmission Grating-based Polarization Demodulated Grating Interferometric Sensor." In 2022 14th International Conference on Measuring Technology and Mechatronics Automation (ICMTMA). IEEE, 2022. http://dx.doi.org/10.1109/icmtma54903.2022.00009.

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Reports on the topic "Grating sensor"

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Schwarze, Craig. Low Cost Grating Based Laser Sensor. Fort Belvoir, VA: Defense Technical Information Center, April 1999. http://dx.doi.org/10.21236/ada362289.

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Schwarze, Craig. Low Cost Grating Based Laser Sensor. Phase 2. Fort Belvoir, VA: Defense Technical Information Center, April 1999. http://dx.doi.org/10.21236/ada362296.

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Crespo, Antonio. Error Measurements in an Acousto-Optic Tunable Filter Fiber Bragg Grating Sensor System. Fort Belvoir, VA: Defense Technical Information Center, May 1994. http://dx.doi.org/10.21236/ada283912.

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Li, Sheng S. Development of Ultra-Low Noise, High Sensitivity Planar Metal Grating Coupled AlGaAs/GaAs Multiquantum Well IR Detectors for Focal Plane Array Staring IR Sensor Systems. Fort Belvoir, VA: Defense Technical Information Center, May 1992. http://dx.doi.org/10.21236/ada250368.

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Li, Sheng S. Development of Ultra-Low Noise, High Sensitivity Planar Metal Grating Coupled III-V Multiquantum Well Infrared Detectors for Focal Plane Array Staring IR Sensor Systems. Fort Belvoir, VA: Defense Technical Information Center, May 1993. http://dx.doi.org/10.21236/ada264465.

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Li, Shang S. Development of Ultra-Low Noise, High Sensitivity Planar Metal Grating Coupled III-V Multiquantum Well Infrared Detectors for Focal Plane Array Staring IR Sensor Systems. Fort Belvoir, VA: Defense Technical Information Center, May 1993. http://dx.doi.org/10.21236/ada265599.

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Tai, Anthony M. Grating Interferometric Sensors. Fort Belvoir, VA: Defense Technical Information Center, February 1986. http://dx.doi.org/10.21236/ada165593.

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Seim, John, Whitten L. Schulz, Eric Udd, and Mike Morrell. Higher Speed Demodulation of Fiber Grating Sensors. Fort Belvoir, VA: Defense Technical Information Center, January 1999. http://dx.doi.org/10.21236/ada451133.

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Kemme, Shanalyn A., Robert O. Nellums, Robert R. Boye, and David William Peters. Active resonant subwavelength grating for scannerless range imaging sensors. Office of Scientific and Technical Information (OSTI), November 2006. http://dx.doi.org/10.2172/899360.

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McCary, Kelly Marie. Evaluation of Fiber Bragg Grating and Distributed Optical Fiber Temperature Sensors. Office of Scientific and Technical Information (OSTI), April 2017. http://dx.doi.org/10.2172/1369366.

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