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Optical fibers in metrology, telecommunications, sensors, manufacturing, and health science have gained massive research interest. The number of applications is increasing at a fast pace. This book aims to present a collection of recent advances in fiber optics, addressing both fundamental and industrial applications. It covers the current progress and latest breakthroughs in emergent applications of fiber optics. The book includes five chapters on recent developments in optical fiber communications and fiber sensors, as well as the design, simulation, and fabrication of novel fiber concepts.
Fiber optics. --- Fiberoptics --- Fibre optics --- Fibreoptics --- Optics, Fiber --- Integrated optics --- Optoelectronic devices --- Photonics --- Optical fiber communication --- Applied optics
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The chapters in this edited volume are by scholars/experts working in academia in Taiwan, Egypt, Israel, Germany and Japan. The contents are intended to provide a common forum for researchers, scientists and engineers throughout the world to exchange ideas and gain knowledge in the areas of fiber sensing technologies. The scope of the book includes the following chapters: 1. Introductory Chapter: An Overview of the Methodologies and Applications of Fiber Optic Sensing; 2. Theoretic Study of Cascaded Fiber Bragg Grating; 3. Femtosecond Transient Bragg Gratings; 4. Vital Sign Measurement Using FBG Sensor for New Wearable Sensor; 5. The State-of-the-Art of Brillouin Distributed Fiber Sensing. After a rigorous review process, the editors selected five submitted manuscripts (Chapters 2 to 5) for inclusion here. Three of these focus on the subject of point-to-point sensing using FBGs, and the final concerns distributed fiber sensing based on Brillouin scattering effect.
Fiber optics. --- Fiberoptics --- Fibre optics --- Fibreoptics --- Optics, Fiber --- Integrated optics --- Optoelectronic devices --- Photonics --- Optical fiber communication --- Optical physics
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In this work experimental tests are performed to investigate the forming behavior of unidirectional non-crimp fabrics (UD-NCFs) within the context of an automated preforming process. Based on the experimental results, a macroscopic forming simulation model for UD-NCFs is developed and model parameters are identified via the simulation of material tests. The forming simulation model is validated via hemisphere and car body part forming tests.
unidirektionale Gelege --- unidirectional non-crimped fabric --- Faserverbundwerkstoffe --- Preforming --- forming/draping simulation --- preforming --- fibre composites --- Umform-/Drapiersimulation --- experimentelle Charakterisierung --- material testing
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Rabbit breeding, although being a small sector of animal husbandry, is widespread in many areas of the world, as the rabbit is intended both for food (meat) and not food (fur) purposes. The rabbit production chain has to face various problems, mainly concerning animal health and product quality. To overcome these issues, studies using a multidisciplinary approach addressing aspects of the rabbit nutrition and feeding, with a direct impact on the rabbit farming, welfare, health, and meat quality are particularly appreciated and requested by the scientific community. This book is composed of four original papers and one review focused on different nutritional approaches. In particular a phyto-additive (thyme essential oil) and a rabbit-derived bacteriocin-producing strain (Enterococcus faecium CCM7420) with probiotic properties were investigated as new feed additives, while two types of insect fats were studied, in order to understand their effects as dietary replacements for soybean oil and their in vitro antimicrobial activities as alternative raw materials. Results collected in this book will be of particular interest for farmers and animal nutritionists working in the rabbit breeding sector
digestibility --- enzyme activity --- gut histology --- milk replacer --- rabbit --- Enterococcus faecium --- enterocin --- microbiota --- intestinal morphology --- phagocytic activity --- serum biochemistry --- meat quality --- weight gain --- thymol --- bioavailability --- antioxidant --- insect fat --- Hermetia illucens --- Tenebrio molitor --- gut microbiota --- antimicrobial effect --- rabbit feeding --- insoluble fibre --- soluble fibre --- feed efficiency --- whole body and carcass chemical composition --- energy nitrogen and mineral balance --- fibre digestibility --- mucosa morphology --- energy nitrogen and mineral retention efficiency
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Today, mainly man-made materials, such as carbon and glass fibers, are used to produce composite parts in aviation. Renewable materials, such as natural fibers or bio-sourced resin systems, have not yet found their way into aviation. The project ECO-COMPASS aims to evaluate the potential applications of ecologically improved composite materials in the aviation sector in an international collaboration of Chinese and European partners. Natural fibers such as flax and ramie will be used for different types of reinforcements and sandwich cores. Furthermore, bio-based epoxy resins to substitute bisphenol-A based epoxy resins in secondary structures are under investigation. Adapted material protection technologies to reduce environmental influence and to improve fire resistance are needed to fulfil the demanding safety requirements in aviation. Modelling and simulation of chosen eco-composites aims for an optimized use of materials while a Life Cycle Assessment aims to prove the ecological advantages compared to synthetic state-of-the-art materials. This Special Issue provides selected papers from the project consortium partners.
physical properties --- n/a --- plant fiber --- fracture toughness --- eco-composite --- functional composites --- flax fibre --- balsa --- bio-composites --- hybrid composite --- interface --- itaconic acid --- sandwich structures --- nonwoven --- flax --- engineering applications --- paper --- carbon nanotubes --- composite --- recycled carbon fibre --- poly-lactic acid --- rosin acid --- aviation sector --- crack sensing --- bio-sourced epoxy --- life cycle assessment --- natural fibre --- electrical properties --- glass fibre --- polymer nanocomposites --- environmental impacts --- multi-scale modeling --- function integrated interleave --- ramie fiber --- bio-based epoxy --- hybrid --- fabric --- sound absorption --- microstructures --- thermosetting resin --- wet-laying --- electrical conductivity --- green composite
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This book is a compilation of works presenting recent advances and progress in optical fiber technology related to the next generation optical communication, system and network, sensor, laser, measurement, characterization and devices. It contains five sections including optical fiber communication systems and networks, plastic optical fibers technologies, fiber optic sensors, fiber lasers and fiber measurement techniques and fiber optic devices on silicon chip. Each chapter in this book is a contribution from a group of academicians and scientists from a prominent university or research center, involved in cutting edge research in the field of photonics. This compendium is an invaluable reference for researchers and practitioners working in academic institutions as well as industries.
Optical fiber communication. --- Optical wave guides. --- Fiber optics. --- Fiberoptics --- Fibre optics --- Fibreoptics --- Optics, Fiber --- Integrated optics --- Optoelectronic devices --- Photonics --- Optical fiber communication --- Optical waveguides --- Optical communications --- Wave guides --- Fiber-optic communication --- Fiber optic telecommunication --- Fiber optics --- Applied optics
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This book presents a comprehensive account of the recent progress in optical fiber research. It consists of four sections with 20 chapters covering the topics of nonlinear and polarisation effects in optical fibers, photonic crystal fibers and new applications for optical fibers. Section 1 reviews nonlinear effects in optical fibers in terms of theoretical analysis, experiments and applications. Section 2 presents polarization mode dispersion, chromatic dispersion and polarization dependent losses in optical fibers, fiber birefringence effects and spun fibers. Section 3 and 4 cover the topics of photonic crystal fibers and a new trend of optical fiber applications. Edited by three scientists with wide knowledge and experience in the field of fiber optics and photonics, the book brings together leading academics and practitioners in a comprehensive and incisive treatment of the subject. This is an essential point of reference for researchers working and teaching in optical fiber technologies, and for industrial users who need to be aware of current developments in optical fiber research areas.
Fiber optics. --- Photonics. --- Optical fiber communication. --- Fiber-optic communication --- Fiber optic telecommunication --- Optical communications --- Fiber optics --- New optics --- Optics --- Fiberoptics --- Fibre optics --- Fibreoptics --- Optics, Fiber --- Integrated optics --- Optoelectronic devices --- Photonics --- Optical fiber communication --- Laser physics
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This book is a compilation of works presenting recent developments and practical applications in optical fiber technology. It contains 13 chapters from various institutions that represent global research in various topics such as scattering, dispersion, polarization interference, fuse phenomena and optical manipulation, optical fiber laser and sensor applications, passive optical network (PON) and plastic optical fiber (POF) technology. It provides the reader with a broad overview and sampling of the innovative research on optical fiber technologies.
Fiber optics. --- Optical fiber detectors. --- Fiber optic sensors --- Optical fiber sensors --- Optical detectors --- Fiberoptics --- Fibre optics --- Fibreoptics --- Optics, Fiber --- Integrated optics --- Optoelectronic devices --- Photonics --- Optical fiber communication --- Engineering --- Physical Sciences --- Engineering and Technology --- Electrical and Electronic Engineering --- Optical Engineering
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Carbon fiber is an oft-referenced material that serves as a means to remove mass from large transport infrastructure. Carbon fiber composites, typically plastics reinforced with the carbon fibers, are key materials in the 21st century and have already had a significant impact on reducing CO2 emissions. Though, as with any composite material, the interface where each component meets, in this case the fiber and plastic, is critical to the overall performance. This text summarizes recent efforts to manipulate and optimize the interfacial interaction between these dissimilar materials to improve overall performance.
cellulose derivative --- stack --- lignin --- contact problem --- single fibre pull out --- fatigue --- composite --- sandwich composite --- toughness --- aluminum UNS A97050 --- surface quality --- Carbon fiber --- epoxy curing --- kerf taper --- block copolymers --- conductive yarn --- X-ray transmission --- electron beam --- CT cradle --- thin-wall --- microwave heating --- Seebeck coefficient --- tendon --- air blowing --- epoxy resins --- monocoque structure --- prepreg --- carbon fiber --- surface treatment --- strengthening --- carbon fibre --- surface modification --- epoxy composite --- prestressed near-surface mounted reinforcement (NSMR) --- recycled carbon fiber --- composites --- thermocouple --- structural analysis --- interfacial adhesion --- three-wheeler vehicle --- SOM/SEM --- polycarbonate --- low consumption vehicle --- computed tomography --- thermoforming --- AWJM --- isotropic pitch --- nickel-coated carbon fiber --- finite element model --- dual curing --- fast-cure epoxy resin --- lightweight design --- macrogeometric deviations --- ethylene tar --- CFRP
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Entitled “Natural Fiber-Based Composites”, this Special Issue has the objective to give an inventory of the latest research in the area of composites reinforced with natural fibers. Fibers of renewable origin have many advantages. They are abundant and cheap, they have a reduced impact on the environment, and they are also independent from fossil resources. Their ability to mechanically reinforce thermoplastic matrices is well known, as their natural heat insulation ability. In the last twenty years, the use of cellulosic and lignocellulosic agricultural by-products for composite applications has been of great interest, especially for reinforcing matrices. The matrices can themselves be of renewable origin (e.g., proteins, starch, polylactic acid, polyhydroxyalkanoates, polyamides, etc.), thus contributing to the development of 100% bio-based composites with a controlled end of life. This Special Issue’s objective is to give an inventory of the latest research in this area of composites reinforced with natural fibers, focusing in particular on the preparation and molding processes of such materials (e.g., extrusion, injection-molding, hot pressing, etc.) and their characterization. It contains one review and nineteen research reports authored by researchers from four continents and sixteen countries, namely, Brazil, China, France, Italy, Japan, Malaysia, Mexico, Pakistan, Poland, Qatar, Serbia, Slovenia, Spain, Sweden, Tunisia, and Vietnam. It provides an update on current research in the field of natural fiber based composite materials. All these contributions will be a source of inspiration for the development of new composites, especially for producers of natural fibers, polymer matrices of renewable origin and composite materials. Generally speaking, these new materials are environmentally friendly and will undoubtedly find numerous applications in the years to come in many sectors. Dr. Philippe Evon Guest Editor
biopolymers --- sunflower protein concentrate --- municipal bio-waste --- urea --- slow-release fertilizers --- lime mortar --- mucilaginous plants --- bio-products --- Fourier-transform infrared (FTIR) characterization --- cellulosic --- fiber --- flame retardant --- ecofriendly --- cotton --- coating --- exterior wall paints --- stain resistance --- western city --- volatile organic compounds (VOCs) --- cellulose nanofiber --- pretreatment --- lignin --- hemicellulose --- physicochemical properties --- natural-fiber-reinforced polymer composites --- chemical treatments --- natural fibers --- manufacturing techniques --- green composites --- amaranth stem --- bark --- pith --- insulation blocks --- hardboards --- green composite --- nonwoven --- sound absorption --- structure --- profiling --- natural dye --- Himalayan balsam --- invasive plant --- printing --- textile --- paper --- olive stone --- biocomposite --- LCA --- circular economy --- filler --- sericin --- poly(N-isopropylacrylamide) --- cotton fabrics --- electrospinning --- microcapsules --- chitosan --- essential oil --- bio functional material --- chitin nanofiber --- composite particle --- Pickering emulsion polymerization --- polystyrene --- scaled-down --- wastewater treatment --- differential scanning calorimetry --- tensile properties --- proton nuclear magnetic resonance spectroscopy --- packaging --- hybrid yarns --- hemp --- PA11 --- woven fabric --- bio-based composite --- mechanical characterisation --- biobased carbon materials --- meso- and microporous carbons --- dye adsorption --- chemical adsorption --- electrostatic interactions --- flax tows --- ultrasound --- gamma treatment --- DVS --- environmental analysis --- mechanical properties --- composite materials --- linseed flax --- straw --- fibre mechanical extraction --- shives --- mean fibre length --- mean fibre diameter --- geotextiles --- antibacterial activity --- kapok fibre --- polycaprolactone --- sound-absorption performance --- fractal dimension --- epoxy --- sustainability --- flame retardancy --- coffee wastes --- biowaste --- n/a
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