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Current Trends in Short- and Long-period Fiber Gratings

Author: Christian Cuadrado-Laborde

Publisher: BoD – Books on Demand

Published: 2013-05-15

Total Pages: 198

ISBN-13: 9535111310

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In this book the reader will find a collection of chapters written by different experts around the world, describing the current research trends in both short- and long-period fiber grating technology. This work is mainly addressed to researchers already working in this area, but it is also accessible to anyone with a scientific background who desires to have an updated overview of the recent progress in this domain. It will also be valuable to scientist and engineers who have become newly involved in this field. Each chapter is self-contained and can be read independently of the others. This book intends to provide highlights of the current research in this area, showing the recent advances in the field of fiber gratings.

Book Synopsis Current Trends in Short- and Long-period Fiber Gratings by : Christian Cuadrado-Laborde

Download or read book Current Trends in Short- and Long-period Fiber Gratings written by Christian Cuadrado-Laborde and published by BoD – Books on Demand. This book was released on 2013-05-15 with total page 198 pages. Available in PDF, EPUB and Kindle. Book excerpt: In this book the reader will find a collection of chapters written by different experts around the world, describing the current research trends in both short- and long-period fiber grating technology. This work is mainly addressed to researchers already working in this area, but it is also accessible to anyone with a scientific background who desires to have an updated overview of the recent progress in this domain. It will also be valuable to scientist and engineers who have become newly involved in this field. Each chapter is self-contained and can be read independently of the others. This book intends to provide highlights of the current research in this area, showing the recent advances in the field of fiber gratings.

Current Trends in Short and Longperiod Fiber Gratings

Author: Edvin Falk

Publisher:

Published: 2016-04-01

Total Pages: 276

ISBN-13: 9781681172880

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A fiber Bragg grating (FBG) is a type of distributed Bragg reflector constructed in a short segment of optical fiber that reflects particular wavelengths of light and transmits all others. This is achieved by creating a periodic variation in the refractive index of the fiber core, which generates a wavelength-specific dielectric mirror. A fiber Bragg grating can therefore be used as an inline optical filter to block certain wavelengths, or as a wavelength-specific reflector. Fiber Bragg gratings are created by "inscribing" or "writing" systematic (periodic or aperiodic) variation of refractive index into the core of a special type of optical fiber using an intense ultraviolet (UV) source such as a UV laser. A long-period fiber grating couples light from a guided mode into forward propagating cladding modes where it is lost due to absorption and scattering. It is an optical fiber structure with the properties periodically varying along the fiber, such that the conditions for the interaction of several copropagating modes are satisfied. The period of such a structure is of the order of a fraction of a millimeter. In contrast to the fiber Bragg gratings, LPFGs couple copropagating modes with close propagation constants; therefore, the period of such a grating can considerably exceed the wavelength of radiation propagating in the fiber. Because the period of an LPFG is much larger than the wavelength, LPFGs are relatively simple to manufacture. Since LPFGs couple copropagating modes, their resonances can only be observed in transmission spectra. Long period grating has a wide variety of applications, including band-rejection filters, gain flattening filter and sensors. Various gratings with complex structures have been designed: gratings combining several LPFGs, LPFGs with superstructures, chirped gratings, and gratings with apodization. Various LPFG-based devices have been developed: filters, sensors, fiber dispersion compensators, etc. This book entitled Current Trends in Short- and Long-period Fiber Gratings emphasizes the current trends in both short- and long-period fiber grating technology. This book intends to provide highlights of the current topics in this area, showing the recent advances in the field of fiber gratings.

Book Synopsis Current Trends in Short and Longperiod Fiber Gratings by : Edvin Falk

Download or read book Current Trends in Short and Longperiod Fiber Gratings written by Edvin Falk and published by . This book was released on 2016-04-01 with total page 276 pages. Available in PDF, EPUB and Kindle. Book excerpt: A fiber Bragg grating (FBG) is a type of distributed Bragg reflector constructed in a short segment of optical fiber that reflects particular wavelengths of light and transmits all others. This is achieved by creating a periodic variation in the refractive index of the fiber core, which generates a wavelength-specific dielectric mirror. A fiber Bragg grating can therefore be used as an inline optical filter to block certain wavelengths, or as a wavelength-specific reflector. Fiber Bragg gratings are created by "inscribing" or "writing" systematic (periodic or aperiodic) variation of refractive index into the core of a special type of optical fiber using an intense ultraviolet (UV) source such as a UV laser. A long-period fiber grating couples light from a guided mode into forward propagating cladding modes where it is lost due to absorption and scattering. It is an optical fiber structure with the properties periodically varying along the fiber, such that the conditions for the interaction of several copropagating modes are satisfied. The period of such a structure is of the order of a fraction of a millimeter. In contrast to the fiber Bragg gratings, LPFGs couple copropagating modes with close propagation constants; therefore, the period of such a grating can considerably exceed the wavelength of radiation propagating in the fiber. Because the period of an LPFG is much larger than the wavelength, LPFGs are relatively simple to manufacture. Since LPFGs couple copropagating modes, their resonances can only be observed in transmission spectra. Long period grating has a wide variety of applications, including band-rejection filters, gain flattening filter and sensors. Various gratings with complex structures have been designed: gratings combining several LPFGs, LPFGs with superstructures, chirped gratings, and gratings with apodization. Various LPFG-based devices have been developed: filters, sensors, fiber dispersion compensators, etc. This book entitled Current Trends in Short- and Long-period Fiber Gratings emphasizes the current trends in both short- and long-period fiber grating technology. This book intends to provide highlights of the current topics in this area, showing the recent advances in the field of fiber gratings.

Handbook of Fiber Gratings

Author: Bridget Crafts

Publisher:

Published: 2015-02-17

Total Pages: 0

ISBN-13: 9781632382498

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This book includes of a compilation of valuable information contributed by distinct veterans from across the globe, elucidating the recent research trends in both short- and long-period fiber grating technology. It is primarily intended for researchers already engaged in this area, but it is also useful for anybody with a scientific background who is interested in an up-to-date analysis of the current growth in this domain. It will also prove to be useful for engineers and scientists who have become recently involved in this field. The aim of this book is to examine the present research in this area, displaying the current progresses in the field of fiber gratings.

Book Synopsis Handbook of Fiber Gratings by : Bridget Crafts

Download or read book Handbook of Fiber Gratings written by Bridget Crafts and published by . This book was released on 2015-02-17 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book includes of a compilation of valuable information contributed by distinct veterans from across the globe, elucidating the recent research trends in both short- and long-period fiber grating technology. It is primarily intended for researchers already engaged in this area, but it is also useful for anybody with a scientific background who is interested in an up-to-date analysis of the current growth in this domain. It will also prove to be useful for engineers and scientists who have become recently involved in this field. The aim of this book is to examine the present research in this area, displaying the current progresses in the field of fiber gratings.

Applications of Optical Fibers for Sensing

Author: Christian Cuadrado-Laborde

Publisher: BoD – Books on Demand

Published: 2019-04-24

Total Pages: 170

ISBN-13: 1789853516

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In this book the reader will find a collection of chapters written by different research teams, describing different applications of optical fibers for sensing. This work is mainly addressed to researchers already working in this area, but it is also accessible to anyone with a scientific background who desires to have an updated overview of the recent progress in this domain. It will also be valuable to scientists and engineers who have become newly involved in this field. Each chapter is self-contained and can be read independently of the others. This book intends to provide highlights of the current research in this area, showing the recent advances in the field of optical fiber sensing.

Book Synopsis Applications of Optical Fibers for Sensing by : Christian Cuadrado-Laborde

Download or read book Applications of Optical Fibers for Sensing written by Christian Cuadrado-Laborde and published by BoD – Books on Demand. This book was released on 2019-04-24 with total page 170 pages. Available in PDF, EPUB and Kindle. Book excerpt: In this book the reader will find a collection of chapters written by different research teams, describing different applications of optical fibers for sensing. This work is mainly addressed to researchers already working in this area, but it is also accessible to anyone with a scientific background who desires to have an updated overview of the recent progress in this domain. It will also be valuable to scientists and engineers who have become newly involved in this field. Each chapter is self-contained and can be read independently of the others. This book intends to provide highlights of the current research in this area, showing the recent advances in the field of optical fiber sensing.

Fiber Bragg Grating Based Sensors and Systems

Author: Oleg Morozov

Publisher: MDPI

Published: 2021-08-18

Total Pages: 228

ISBN-13: 3036512861

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This book is a collection of papers that originated as a Special Issue, focused on some recent advances related to fiber Bragg grating-based sensors and systems. Conventionally, this book can be divided into three parts: intelligent systems, new types of sensors, and original interrogators. The intelligent systems presented include evaluation of strain transition properties between cast-in FBGs and cast aluminum during uniaxial straining, multi-point strain measurements on a containment vessel, damage detection methods based on long-gauge FBG for highway bridges, evaluation of a coupled sequential approach for rotorcraft landing simulation, wearable hand modules and real-time tracking algorithms for measuring finger joint angles of different hand sizes, and glaze icing detection of 110 kV composite insulators. New types of sensors are reflected in multi-addressed fiber Bragg structures for microwave–photonic sensor systems, its applications in load-sensing wheel hub bearings, and more complex influence in problems of generation of vortex optical beams based on chiral fiber-optic periodic structures. Original interrogators include research in optical designs with curved detectors for FBG interrogation monitors; demonstration of a filterless, multi-point, and temperature-independent FBG dynamical demodulator using pulse-width modulation; and dual wavelength differential detection of FBG sensors with a pulsed DFB laser.

Book Synopsis Fiber Bragg Grating Based Sensors and Systems by : Oleg Morozov

Download or read book Fiber Bragg Grating Based Sensors and Systems written by Oleg Morozov and published by MDPI. This book was released on 2021-08-18 with total page 228 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book is a collection of papers that originated as a Special Issue, focused on some recent advances related to fiber Bragg grating-based sensors and systems. Conventionally, this book can be divided into three parts: intelligent systems, new types of sensors, and original interrogators. The intelligent systems presented include evaluation of strain transition properties between cast-in FBGs and cast aluminum during uniaxial straining, multi-point strain measurements on a containment vessel, damage detection methods based on long-gauge FBG for highway bridges, evaluation of a coupled sequential approach for rotorcraft landing simulation, wearable hand modules and real-time tracking algorithms for measuring finger joint angles of different hand sizes, and glaze icing detection of 110 kV composite insulators. New types of sensors are reflected in multi-addressed fiber Bragg structures for microwave–photonic sensor systems, its applications in load-sensing wheel hub bearings, and more complex influence in problems of generation of vortex optical beams based on chiral fiber-optic periodic structures. Original interrogators include research in optical designs with curved detectors for FBG interrogation monitors; demonstration of a filterless, multi-point, and temperature-independent FBG dynamical demodulator using pulse-width modulation; and dual wavelength differential detection of FBG sensors with a pulsed DFB laser.

Structural Integrity Cases in Mechanical and Civil Engineering

Author: Shahrum Abdullah

Publisher: Springer Nature

Published: 2022-01-24

Total Pages: 346

ISBN-13: 3030856461

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This book covers most of the damage mechanism in the scope of mechanical engineering and civil engineering. The failure pattern of various materials and structures is mainly discussed. The sub-topics covers fatigue damage, fatigue crack initiation and propagation, life prediction techniques, computational fracture mechanics, dynamic fracture, damage mechanics and assessment, non-destructive test (NDT), concrete failure assessment, failure on soil structures, structural durability and reliability, structural health monitoring, construction damage recovery, and any relevant topics related to failure analysis.

Book Synopsis Structural Integrity Cases in Mechanical and Civil Engineering by : Shahrum Abdullah

Download or read book Structural Integrity Cases in Mechanical and Civil Engineering written by Shahrum Abdullah and published by Springer Nature. This book was released on 2022-01-24 with total page 346 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book covers most of the damage mechanism in the scope of mechanical engineering and civil engineering. The failure pattern of various materials and structures is mainly discussed. The sub-topics covers fatigue damage, fatigue crack initiation and propagation, life prediction techniques, computational fracture mechanics, dynamic fracture, damage mechanics and assessment, non-destructive test (NDT), concrete failure assessment, failure on soil structures, structural durability and reliability, structural health monitoring, construction damage recovery, and any relevant topics related to failure analysis.

Frontiers of Science and Technology

Author: Gabriela Celani

Publisher: Walter de Gruyter GmbH & Co KG

Published: 2017-10-10

Total Pages: 241

ISBN-13: 3110537680

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Sponsored by the Alexander von Humbold Stiftung the "Bragfost-Confernce" brings together about 60 outstanding German and Brazilian Scientists to discuss most topical issues in the field of electrical engineering, energy-supply as well as sociological impact of technology. This book presents the most relevant contributions in extended and revised form.

Book Synopsis Frontiers of Science and Technology by : Gabriela Celani

Download or read book Frontiers of Science and Technology written by Gabriela Celani and published by Walter de Gruyter GmbH & Co KG. This book was released on 2017-10-10 with total page 241 pages. Available in PDF, EPUB and Kindle. Book excerpt: Sponsored by the Alexander von Humbold Stiftung the "Bragfost-Confernce" brings together about 60 outstanding German and Brazilian Scientists to discuss most topical issues in the field of electrical engineering, energy-supply as well as sociological impact of technology. This book presents the most relevant contributions in extended and revised form.

Application of Optical Fiber in Engineering

Author: Sulaiman Wadi Harun

Publisher: BoD – Books on Demand

Published: 2021-06-16

Total Pages: 104

ISBN-13: 1839626143

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Application of Optical Fiber in Engineering chronicles the recent progress in the research and development of optical fiber technology and examines present and future opportunities by presenting the latest advances on key topics such as birefringence and polarization mode dispersion characteristics, quantum communication, polymer optical fiber grating, optical fiber sensing devices and the Raman fiber laser. All the contributing authors are experts in the field, and this book contains their latest research. This book will provide an invaluable source for researchers, engineers, and advanced students in the field of optical fibers, photonics, optoelectronics, fiber lasers, and sensors.

Book Synopsis Application of Optical Fiber in Engineering by : Sulaiman Wadi Harun

Download or read book Application of Optical Fiber in Engineering written by Sulaiman Wadi Harun and published by BoD – Books on Demand. This book was released on 2021-06-16 with total page 104 pages. Available in PDF, EPUB and Kindle. Book excerpt: Application of Optical Fiber in Engineering chronicles the recent progress in the research and development of optical fiber technology and examines present and future opportunities by presenting the latest advances on key topics such as birefringence and polarization mode dispersion characteristics, quantum communication, polymer optical fiber grating, optical fiber sensing devices and the Raman fiber laser. All the contributing authors are experts in the field, and this book contains their latest research. This book will provide an invaluable source for researchers, engineers, and advanced students in the field of optical fibers, photonics, optoelectronics, fiber lasers, and sensors.

Progress in Optomechatronics

Author: Indrani Bhattacharya

Publisher: Springer Nature

Published: 2020-09-21

Total Pages: 175

ISBN-13: 9811564671

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This book presents peer-reviewed articles from the 20th International Symposium on Optomechatronic Technologies (ISOT 2019), held in Goa, India. The symposium brought together students, researchers, professionals, and academicians in the field of optomechatronics and related areas on a common platform conducive to academic interaction with business professionals.

Book Synopsis Progress in Optomechatronics by : Indrani Bhattacharya

Download or read book Progress in Optomechatronics written by Indrani Bhattacharya and published by Springer Nature. This book was released on 2020-09-21 with total page 175 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book presents peer-reviewed articles from the 20th International Symposium on Optomechatronic Technologies (ISOT 2019), held in Goa, India. The symposium brought together students, researchers, professionals, and academicians in the field of optomechatronics and related areas on a common platform conducive to academic interaction with business professionals.

European Workshop on Structural Health Monitoring

Author: Piervincenzo Rizzo

Publisher: Springer Nature

Published: 2022-06-15

Total Pages: 1129

ISBN-13: 3031072588

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This volume gathers the latest advances, innovations, and applications in the field of structural health monitoring (SHM) and more broadly in the fields of smart materials and intelligent systems, as presented by leading international researchers and engineers at the 10th European Workshop on Structural Health Monitoring (EWSHM), held in Palermo, Italy on July 4-7, 2022. The volume covers highly diverse topics, including signal processing, smart sensors, autonomous systems, remote sensing and support, UAV platforms for SHM, Internet of Things, Industry 4.0, and SHM for civil structures and infrastructures. The contributions, which are published after a rigorous international peer-review process, highlight numerous exciting ideas that will spur novel research directions and foster multidisciplinary collaboration among different specialists.

Book Synopsis European Workshop on Structural Health Monitoring by : Piervincenzo Rizzo

Download or read book European Workshop on Structural Health Monitoring written by Piervincenzo Rizzo and published by Springer Nature. This book was released on 2022-06-15 with total page 1129 pages. Available in PDF, EPUB and Kindle. Book excerpt: This volume gathers the latest advances, innovations, and applications in the field of structural health monitoring (SHM) and more broadly in the fields of smart materials and intelligent systems, as presented by leading international researchers and engineers at the 10th European Workshop on Structural Health Monitoring (EWSHM), held in Palermo, Italy on July 4-7, 2022. The volume covers highly diverse topics, including signal processing, smart sensors, autonomous systems, remote sensing and support, UAV platforms for SHM, Internet of Things, Industry 4.0, and SHM for civil structures and infrastructures. The contributions, which are published after a rigorous international peer-review process, highlight numerous exciting ideas that will spur novel research directions and foster multidisciplinary collaboration among different specialists.