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Books > Professional & Technical > Electronics & communications engineering > Electronics engineering > Applied optics

The Adaptive Optics Revolution - A History (Hardcover): Robert W. Duffner The Adaptive Optics Revolution - A History (Hardcover)
Robert W. Duffner; Foreword by Robert Q Fugate
R973 R808 Discovery Miles 8 080 Save R165 (17%) Ships in 10 - 15 working days

Adaptive optics is the most revolutionary breakthrough in astronomy since Galileo pointed his telescope skyward four hundred years ago. It is critical technology that will enable astronomers to answer challenging questions about the universe.
Over the last four decades, a formidable and persistent team of scientists from the Air Force Research Laboratory, MIT/Lincoln Laboratory, and private contractors led the way in achieving groundbreaking advances in adaptive optics. They demonstrated laser guide star techniques and made adaptive optics practical on large telescopes. The military aggressively pursued the development of adaptive optics for two reasons--imaging for space situational awareness and laser weapons. A significant part of this research occurred at the Starfire Optical Range in New Mexico and the Maui optical site in Hawaii. The program remained classified during the 1970s and 1980s, but the government declassified it in the early 1990s, enabling significant technology transfer to the astronomy community.
Robert Duffner has compiled a unique history of the invention of laser guide stars and other contributions to adaptive optics made by the Department of Defense. He had access to a large collection of primary source material housed in the offices of government scientists and in the Research Laboratory's archives at Kirtland Air Force Base, Albuquerque. Duffner also interviewed seventy-one prominent scientists who played key roles advancing adaptive optics research.

Windfarm Visualisation - Perspective or Perception? (Hardcover): Alan M. MacDonald Windfarm Visualisation - Perspective or Perception? (Hardcover)
Alan M. MacDonald
R2,216 R2,083 Discovery Miles 20 830 Save R133 (6%) Ships in 12 - 17 working days

As windfarms proliferate across the UK, visualisation as a means of predicting the scale and impacts of wind turbines has become a highly controversial subject. The purpose of any visualisation is to inform so that judgements can be made by professionals and the general public alike. Yet after nearly two decades, post-construction shocks are still common and the public demand for comprehensible and reliable pre-planning visuals increases. In Windfarm Visualisation, the author draws together a blend of knowledge and experience to explain the many scientific disciplines involved. He gives an overview of how some simple fixed standards facilitate proper validation and testing to restore confidence in visualisations which allow realistic prediction and effective planning. Photography is both an art and a science which, if used scientifically, must be capable of being tested. Current practice is found at best to be impractical and at worst an artifice to diminish potential impacts. Under scrutiny, flaws in the adopted methodology are exposed, pseudo-science is repudiated and wide-ranging problems for the public, planners and decision-makers explored and explained.The assumption that perspective geometry equates to what we see is challenged and the case is made that visual representation must take full account of human visual perception. This simple subject has been subverted by needless complexity. In Windfarm Visualisation this complexity is stripped away to provide a refreshingly informative text covering the fundamentals of photomontage visualisation, the unique challenges of representing windfarms and some simple recommendations for fixed photographic standards and presentation formats to restore confidence in predictive visualisation. It is also a scientific detective story into what we see, how it can be misrepresented and manipulated by self-interested parties and how visualisation itself has become the unwitting victim of its own potential to reliably inform the planning system and the public.

Electromagnetic Optics of Thin-Film Coatings - Light Scattering, Giant Field Enhancement, and Planar Microcavities (Hardcover):... Electromagnetic Optics of Thin-Film Coatings - Light Scattering, Giant Field Enhancement, and Planar Microcavities (Hardcover)
Claude Amra, Michel Lequime, Myriam Zerrad
R1,924 Discovery Miles 19 240 Ships in 12 - 17 working days

Three experts in the field of thin-film optics present a detailed and self-contained theoretical study of planar multilayers and how they can be effectively exploited in both traditional and modern applications. Starting with a discussion of the relevant electromagnetic optics, the fundamental optical properties of multilayers are introduced using an electromagnetic approach based on a direct solving of Maxwell's equations by Fourier transforms. This powerful approach is illustrated through the comprehensive description of two of the most important phenomena in multilayers, i.e. giant field enhancement in dielectric stacks and light scattering from thin-film optical filters. The same approach is extended to the description of the operation of planar microcavities and the balance of energy between radiated and trapped light. This book will be valuable to researchers, engineers and graduate students with interests in nanophotonics, optical telecommunications, observational astronomy and gravitational wave detection.

Color Appearance Models 3e (Hardcover, 3rd Edition): MD Fairchild Color Appearance Models 3e (Hardcover, 3rd Edition)
MD Fairchild
R2,725 Discovery Miles 27 250 Ships in 12 - 17 working days

The essential resource for readers needing to understand visual perception and for those trying to produce, reproduce and measure color appearance in various applications such as imaging, entertainment, materials, design, architecture and lighting. This book builds upon the success of previous editions, and will continue to serve the needs of those professionals working in the field to solve practical problems or looking for background for on-going research projects. It would also act as a good course text for senior undergraduates and postgraduates studying color science. The 3rd Edition of Color Appearance Models contains numerous new and expanded sections providing an updated review of color appearance and includes many of the most widely used models to date, ensuring its continued success as the comprehensive resource on color appearance models. Key features: * Presents the fundamental concepts and phenomena of color appearance (what objects look like in typical viewing situations) and practical techniques to measure, model and predict those appearances. * Includes the clear explanation of fundamental concepts that makes the implementation of mathematical models very easy to understand. * Explains many different types of models, and offers a clear context for the models, their use, and future directions in the field.

Content-Based Image Retrieval - Ideas, Influences, and Current Trends (Hardcover, 1st ed. 2017): Vipin Tyagi Content-Based Image Retrieval - Ideas, Influences, and Current Trends (Hardcover, 1st ed. 2017)
Vipin Tyagi
R2,991 Discovery Miles 29 910 Ships in 10 - 15 working days

The book describes several techniques used to bridge the semantic gap and reflects on recent advancements in content-based image retrieval (CBIR). It presents insights into and the theoretical foundation of various essential concepts related to image searches, together with examples of natural and texture image types. The book discusses key challenges and research topics in the context of image retrieval, and provides descriptions of various image databases used in research studies. The area of image retrieval, and especially content-based image retrieval (CBIR), is a very exciting one, both for research and for commercial applications. The book explains the low-level features that can be extracted from an image (such as color, texture, shape) and several techniques used to successfully bridge the semantic gap in image retrieval, making it a valuable resource for students and researchers interested in the area of CBIR alike.

Remote Sensing and GIS Accuracy Assessment (Paperback): Ross S. Lunetta, John G. Lyon Remote Sensing and GIS Accuracy Assessment (Paperback)
Ross S. Lunetta, John G. Lyon
R1,867 Discovery Miles 18 670 Ships in 12 - 17 working days

The development of robust accuracy assessment methods for the validation of spatial data represents a difficult challenge for the geospatial science community. Obstacles to robust assessments include continuous data characteristics and positional errors, demanding ongoing development by GIS and remote sensing experts. Based upon a special symposium sponsored by the U.S. Environmental Protection Agency (EPA), Remote Sensing and GIS Accuracy Assessment evaluates the important scientific elements related to the performance of accuracy assessments for remotely sensed data, GIS data analysis, and integration products. Scientists from federal, state, and local governments, academia, and nongovernmental organizations present twenty technical chapters that examine sampling issues, reference data collection, edge and boundary effects, error matrix and fuzzy assessments, error budget analysis, and change detection accuracy assessment. The book includes the keynote presentation by Russell G. Congalton that provides a historical accuracy assessment overview, articulatescurrent technical shortcomings, and identified numerous issues that were debated throughout the symposium. All chapters underwent a peer review and were determined to be valuable to the remote sensing and GIS community. The editors arranged the chapters as a series of complementary scientific topics to provide you with a detailed treatise on spatial data accuracy assessment issues.

Laser Physics (Paperback, New ed): Murray III Sargent Laser Physics (Paperback, New ed)
Murray III Sargent
R2,913 Discovery Miles 29 130 Ships in 12 - 17 working days

This book treats the interaction of radiation with matter, particular attention being paid to the laser. Knowledge is assumed of the usual half-year introduction of quantum mechanics found in undergraduate physics curricula. The material can be covered in two semesters, or, alternatively, the first part (Chaps 1-13) can be used as a one-semester course in which quantum mechanical aspects of the electromagnetic field are ignored. Each chapter is accompanied by problems that illustrate the text and give useful (occasionally new) results. Existing laser media are intrinsically quantum mechanical and are most easily studied with the quantum theory. Understanding the laser along these lines enlivens one's understanding of quantum mechanics itself. In fact, the material constitutes a viable, applied alternative for the usual second and third semesters of quantum mechanics.

Hybrid Intelligence for Image Analysis and Understanding (Hardcover): S. Bhattacharyya Hybrid Intelligence for Image Analysis and Understanding (Hardcover)
S. Bhattacharyya
R3,039 Discovery Miles 30 390 Ships in 12 - 17 working days

A synergy of techniques on hybrid intelligence for real-life image analysis Hybrid Intelligence for Image Analysis and Understanding brings together research on the latest results and progress in the development of hybrid intelligent techniques for faithful image analysis and understanding. As such, the focus is on the methods of computational intelligence, with an emphasis on hybrid intelligent methods applied to image analysis and understanding. The book offers a diverse range of hybrid intelligence techniques under the umbrellas of image thresholding, image segmentation, image analysis and video analysis. Key features: * Provides in-depth analysis of hybrid intelligent paradigms. * Divided into self-contained chapters. * Provides ample case studies, illustrations and photographs of real-life examples to illustrate findings and applications of different hybrid intelligent paradigms. * Offers new solutions to recent problems in computer science, specifically in the application of hybrid intelligent techniques for image analysis and understanding, using well-known contemporary algorithms. The book is essential reading for lecturers, researchers and graduate students in electrical engineering and computer science.

Polymer Optical Fiber Bragg Gratings - Fabrication and Sensing Applications (Hardcover): Ricardo Oliveira, Lucia Maria Botas... Polymer Optical Fiber Bragg Gratings - Fabrication and Sensing Applications (Hardcover)
Ricardo Oliveira, Lucia Maria Botas Bilro, Rogerio Nogueira
R4,202 Discovery Miles 42 020 Ships in 12 - 17 working days

Polymer optical fibers (POFs) have been regarded as a viable alternative to silica fibers in a variety of sensing applications. Fiber optic sensors offer key advantages over other sensing technologies, which include immunity to electromagnetic interference, compact, lightweight, multiplexing capability, and higher sensitivity. This book gives an overview of the polymer optical fiber Bragg grating (POFBG) technology over the last 20 years, covering aspects related to the fiber Bragg grating fabrication and also sensing applications. The book is split into five chapters, and it is written in such a way that can provide a comprehensive and simple route to new users, scientists and engineers working or wishing to work in the field of POFBGs: Describes the systems commonly employed for producing fiber Braggs gratings (FBGs) in silica fibers that can be used for the production of POFBGs; Explores different laser sources for the inscription of POFBGs; Explores the capability of using this technology at the visible and infrared region, in different fiber types (e.g., step-index, microstructured, unclad, highly birefringent) and in fibers composed of different polymer materials such as PMMA, doped PMMA, PS and ZEONEX; Reports the fabrication of different types of POF gratings, such as uniform, phase-shifted, tilted, chirped, and long-period gratings; Shows the opportunities of POFBGs for a variety of sensing applications. The insight to the use of POFBGs provides a vision for the opportunities of this fiber optic technology.

Advances in Neutron Optics - Fundamentals and Applications in Materials Science and Biomedicine (Hardcover): Maria L. Calvo,... Advances in Neutron Optics - Fundamentals and Applications in Materials Science and Biomedicine (Hardcover)
Maria L. Calvo, Ramon F. Alvarez-Estrada
R3,920 Discovery Miles 39 200 Ships in 12 - 17 working days

Neutron optics studies the interactions of a beam of slow neutrons with matter. This book updates various advances on neutron optics. There will be a focus on the very active topics of neutron imaging (NI) and neutron spin optics (NSO). The book will also present applications of neutron beams in biomedicine, such as Boron Neutron Capture Therapy (BNCT) and related techniques. Features: Discusses diffraction and interference of slow neutrons, including computational approaches Reviews neutron imaging (NI) and neutron spin optics (NSO) Treats two major sources of slow neutron beams: (1) fission reactions at nuclear reactors and (2) collisions in particle accelerators (small ones, spallation sources) of charged particle beams with targets of heavy atoms Selects subjects on fundamental quantum aspects of slow neutrons and on confined propagation and waveguiding thereof Updates slow neutron beams and BNCT

LEOMA and the US Laser Industry - The Good and Bad Moves for Trade Associations in Emerging High-Tech  Industries (Paperback):... LEOMA and the US Laser Industry - The Good and Bad Moves for Trade Associations in Emerging High-Tech Industries (Paperback)
CB Hitz
R2,287 Discovery Miles 22 870 Ships in 12 - 17 working days

The U.S. laser industry is a major player in the country's economy, with its products used in factories, laboratories, offices, homes and motor vehicles around the country. The issues addressed by the laser industry during the past several decades - patent litigation, worker education, export controls, international standardization, and others - are those that any emerging high-tech industry will have to face. Offering a roadmap for future technology development and commercialization, this book chronicles the laser and electro-optics industry and its issues for business executives, scientists and technicians, attorneys, journalists, historians, and others.

Automating the Analysis of Spatial Grids - A Practical Guide to Data Mining Geospatial Images for Human & Environmental... Automating the Analysis of Spatial Grids - A Practical Guide to Data Mining Geospatial Images for Human & Environmental Applications (Hardcover, 2012 ed.)
Valliappa Lakshmanan
R4,428 Discovery Miles 44 280 Ships in 10 - 15 working days

The ability to create automated algorithms to process gridded spatial data is increasingly important as remotely sensed datasets increase in volume and frequency. Whether in business, social science, ecology, meteorology or urban planning, the ability to create automated applications to analyze and detect patterns in geospatial data is increasingly important. This book provides students with a foundation in topics of digital image processing and data mining as applied to geospatial datasets. The aim is for readers to be able to devise and implement automated techniques to extract information from spatial grids such as radar, satellite or high-resolution survey imagery.

Applied Nanophotonics (Hardcover): Sergey V. Gaponenko, Hilmi Volkan Demir Applied Nanophotonics (Hardcover)
Sergey V. Gaponenko, Hilmi Volkan Demir
R2,171 Discovery Miles 21 710 Ships in 12 - 17 working days

With full color throughout, this unique text provides an accessible yet rigorous introduction to the basic principles, technology, and applications of nanophotonics. It explains key physical concepts such as quantum confinement in semiconductors, light confinement in metal and dielectric nanostructures, and wave coupling in nanostructures, and describes how they can be applied in lighting sources, lasers, photonic circuitry, and photovoltaic systems. Readers will gain an intuitive insight into the commercial implementation of nanophotonic components, in both current and potential future devices, as well as challenges facing the field. The fundamentals of semiconductor optics, optical material properties, and light propagation are included, and new and emerging fields such as colloidal photonics, Si-based photonics, nanoplasmonics, and bioinspired photonics are all discussed. This is the 'go-to' guide for graduate students and researchers in electrical engineering who are interested in nanophotonics, and students taking nanophotonics courses.

Metal Halide Perovskites for Generation, Manipulation and Detection of Light (Paperback): Juan P. Martinez-Pastor, Pablo P.... Metal Halide Perovskites for Generation, Manipulation and Detection of Light (Paperback)
Juan P. Martinez-Pastor, Pablo P. Boix, Guichuan Xing
R5,091 Discovery Miles 50 910 Ships in 12 - 17 working days

Metal Halide Perovskites for Generation, Manipulation and Detection of Light covers the current state and future prospects of lead halide perovskite photonics and photon sources, both from an academic and industrial point-of-view. Advances in metal halide perovskite photon sources (lasers) based on thin films, microcrystals and nanocrystals are comprehensively reviewed, with leading experts contributing current advances in theory, fundamental concepts, fabrication techniques, experiments and other important research innovations. This book is suitable for graduate students, researchers, scientists and engineers in academia and R&D in industry working in the disciplines of materials science and engineering.

Wide Band Gap Semiconductor Nanowires for Optical Devices - Low-Dimensionality Related Effects and Growth (Hardcover, New): V... Wide Band Gap Semiconductor Nanowires for Optical Devices - Low-Dimensionality Related Effects and Growth (Hardcover, New)
V Consonni
R4,281 Discovery Miles 42 810 Ships in 12 - 17 working days

GaN and ZnO nanowires can by grown using a wide variety of methods from physical vapor deposition to wet chemistry for optical devices. This book starts by presenting the similarities and differences between GaN and ZnO materials, as well as the assets and current limitations of nanowires for their use in optical devices, including feasibility and perspectives. It then focuses on the nucleation and growth mechanisms of ZnO and GaN nanowires, grown by various chemical and physical methods. Finally, it describes the formation of nanowire heterostructures applied to optical devices.

Sampling Theory, a Renaissance - Compressive Sensing and Other Developments (Hardcover, 1st ed. 2015): Goetz E. Pfander Sampling Theory, a Renaissance - Compressive Sensing and Other Developments (Hardcover, 1st ed. 2015)
Goetz E. Pfander
R2,980 Discovery Miles 29 800 Ships in 10 - 15 working days

Reconstructing or approximating objects from seemingly incomplete information is a frequent challenge in mathematics, science, and engineering. A multitude of tools designed to recover hidden information are based on Shannon's classical sampling theorem, a central pillar of Sampling Theory. The growing need to efficiently obtain precise and tailored digital representations of complex objects and phenomena requires the maturation of available tools in Sampling Theory as well as the development of complementary, novel mathematical theories. Today, research themes such as Compressed Sensing and Frame Theory re-energize the broad area of Sampling Theory. This volume illustrates the renaissance that the area of Sampling Theory is currently experiencing. It touches upon trendsetting areas such as Compressed Sensing, Finite Frames, Parametric Partial Differential Equations, Quantization, Finite Rate of Innovation, System Theory, as well as sampling in Geometry and Algebraic Topology.

Compressed Sensing Magnetic Resonance Image Reconstruction Algorithms - A Convex Optimization Approach (Hardcover, 1st ed.... Compressed Sensing Magnetic Resonance Image Reconstruction Algorithms - A Convex Optimization Approach (Hardcover, 1st ed. 2019)
Bhabesh Deka, Sumit Datta
R3,383 Discovery Miles 33 830 Ships in 10 - 15 working days

This book presents a comprehensive review of the recent developments in fast L1-norm regularization-based compressed sensing (CS) magnetic resonance image reconstruction algorithms. Compressed sensing magnetic resonance imaging (CS-MRI) is able to reduce the scan time of MRI considerably as it is possible to reconstruct MR images from only a few measurements in the k-space; far below the requirements of the Nyquist sampling rate. L1-norm-based regularization problems can be solved efficiently using the state-of-the-art convex optimization techniques, which in general outperform the greedy techniques in terms of quality of reconstructions. Recently, fast convex optimization based reconstruction algorithms have been developed which are also able to achieve the benchmarks for the use of CS-MRI in clinical practice. This book enables graduate students, researchers, and medical practitioners working in the field of medical image processing, particularly in MRI to understand the need for the CS in MRI, and thereby how it could revolutionize the soft tissue imaging to benefit healthcare technology without making major changes in the existing scanner hardware. It would be particularly useful for researchers who have just entered into the exciting field of CS-MRI and would like to quickly go through the developments to date without diving into the detailed mathematical analysis. Finally, it also discusses recent trends and future research directions for implementation of CS-MRI in clinical practice, particularly in Bio- and Neuro-informatics applications.

Multiscale Modeling in Nanophotonics - Materials and Simulations (Hardcover): Alexander Bagatur'Yants, Mikhail Vener Multiscale Modeling in Nanophotonics - Materials and Simulations (Hardcover)
Alexander Bagatur'Yants, Mikhail Vener
R3,516 Discovery Miles 35 160 Ships in 12 - 17 working days

The idea of theoretically predicting the useful properties of various materials using multiscale simulations has become popular in recent years. Of special interest are nanostructured, organic functional materials, which have a hierarchical structure and are considered materials of the future because of their flexibility and versatility. Their functional properties are inherited from the molecule that lies at the heart of the hierarchical structure. On the other hand, the properties of this functional molecule, in particular its absorption and emission spectra, strongly depend on its interactions with its molecular environment. Therefore, the multiscale simulations used to predict the properties of organic functional materials should be atomistic, that is, they should be based on classical and/or quantum methods that explicitly take into account the molecular structure and intermolecular interactions at the atomic level. This book, written by well-known specialists in theoretical chemistry, focuses on the basics of classical mechanics, quantum chemistry methods used for molecular disordered materials, classical methods of molecular simulations of disordered materials, vibronic interactions, and applications (presented as multiscale strategies for atomistic simulations of photonic materials). It has been edited by Professor Mikhail Alfimov, a renowned Russian scientist, a full member of the Russian Academy of Sciences, Russia, and the founder, first director, and now research supervisor of the Photochemistry Center of the Russian Academy of Science, Russia. Professor Alfimov's main research interests are in the field of photochemistry and photophysics of molecular and supramolecular systems. The book is a great reference for advanced undergraduate- and graduate-level students of nanotechnology and molecular science and researchers in nano- and molecular science, nanotechnology, chemistry, and physical chemistry, especially those with an interest in functional materials.

Optical Performance Monitoring - Advanced Techniques for Next-Generation Photonic Networks (Paperback): Calvin C.K. Chan Optical Performance Monitoring - Advanced Techniques for Next-Generation Photonic Networks (Paperback)
Calvin C.K. Chan
R3,048 R2,778 Discovery Miles 27 780 Save R270 (9%) Ships in 12 - 17 working days

This in-depth, detailed reference presents for the first time a comprehensive treatment of recent advances in optical performance monitoring. Written by leading experts in the field, the book provides an overview of recent developments in the area and the role of OPM in future optical systems and networks. Detailed discussions of various advanced techniques are provided to illustrate their principles. FEATURES: Presents the principles and applications of advanced OPM techniques, together with a comparative evaluation of their effectiveness in monitoring individual parameters, such as optical signal-to-noise ratio, chromatic dispersion, and polarization mode dispersion Explains the principles of the various advanced optical signal processing techniques and their applications in OPM Examines the role and applications of OPM in optical networks, including optical transport networks, coherent optical systems, and long-haul optical transmission systems Discusses the current approaches of OPM in the global standard SDH/SONET This book is ideal for technical professionals and researchers who want to understand and evaluate advanced techniques in OPM and their impact on the practical design of next-generation optical systems and networks.

Physics and Techniques of Remote Sensing, Third Edition (Hardcover, 3rd Edition): C. Elachi Physics and Techniques of Remote Sensing, Third Edition (Hardcover, 3rd Edition)
C. Elachi
R3,453 Discovery Miles 34 530 Ships in 12 - 17 working days

INTRODUCTION TO THE PHYSICS AND TECHNIQUES OF REMOTE SENSING DISCOVER CUTTING EDGE THEORY AND APPLICATIONS OF MODERN REMOTE SENSING IN GEOLOGY, OCEANOGRAPHY, ATMOSPHERIC SCIENCE, IONOSPHERIC STUDIES, AND MORE The thoroughly revised third edition of the Introduction to the Physics and Techniques of Remote Sensing delivers a comprehensive update to the authoritative textbook, offering readers new sections on radar interferometry, radar stereo, and planetary radar. It explores new techniques in imaging spectroscopy and large optics used in Earth orbiting, planetary, and astrophysics missions. It also describes remote sensing instruments on, as well as data acquired with, the most recent Earth and space missions. Readers will benefit from the brand new and up-to-date concept examples and full-color photography, 50% of which is new to the series. You'll learn about the basic physics of wave/matter interactions, techniques of remote sensing across the electromagnetic spectrum (from ultraviolet to microwave), and the concepts behind the remote sensing techniques used today and those planned for the future. The book also discusses the applications of remote sensing for a wide variety of earth and planetary atmosphere and surface sciences, like geology, oceanography, resource observation, atmospheric sciences, and ionospheric studies. This new edition also incorporates: A fulsome introduction to the nature and properties of electromagnetic waves An exploration of sensing solid surfaces in the visible and near infrared spectrums, as well as thermal infrared, microwave, and radio frequencies A treatment of ocean surface sensing, including ocean surface imaging and the mapping of ocean topography A discussion of the basic principles of atmospheric sensing and radiative transfer, including the radiative transfer equation Perfect for senior undergraduate and graduate students in the field of remote sensing instrument development, data analysis, and data utilization, Introduction to the Physics and Techniques of Remote Sensing will also earn a place in the libraries of students, faculty, researchers, engineers, and practitioners in fields like aerospace, electrical engineering, and astronomy.

Nano Optoelectronic Sensors and Devices - Nanophotonics from Design to Manufacturing (Paperback): Ning Xi, King Lai Nano Optoelectronic Sensors and Devices - Nanophotonics from Design to Manufacturing (Paperback)
Ning Xi, King Lai
R3,638 R3,299 Discovery Miles 32 990 Save R339 (9%) Ships in 12 - 17 working days

Nanophotonics has emerged as a major technology and applications domain, exploiting the interaction of light-emitting and light-sensing nanostructured materials. These devices are lightweight, highly efficient, low on power consumption, and are cost effective to produce. The authors of this book have been involved in pioneering work in manufacturing photonic devices from carbon nanotube (CNT) nanowires and provide a series of practical guidelines for their design and manufacture, using processes such as nano-robotic manipulation and assembly methods. They also introduce the design and operational principles of opto-electrical sensing devices at the nano scale. Thermal annealing and packaging processes are also covered, as key elements in a scalable manufacturing process. Examples of applications of different nanowire based photonic devices are presented. These include applications in the fields of electronics (e.g. FET, CNT Schotty diode) and solar energy.

Recurrent Neural Networks - From Simple to Gated Architectures (Hardcover, 1st ed. 2022): Fathi M. Salem Recurrent Neural Networks - From Simple to Gated Architectures (Hardcover, 1st ed. 2022)
Fathi M. Salem
R1,315 Discovery Miles 13 150 Ships in 12 - 17 working days

This textbook provides a compact but comprehensive treatment that provides analytical and design steps to recurrent neural networks from scratch. It provides a treatment of the general recurrent neural networks with principled methods for training that render the (generalized) backpropagation through time (BPTT). This author focuses on the basics and nuances of recurrent neural networks, providing technical and principled treatment of the subject, with a view toward using coding and deep learning computational frameworks, e.g., Python and Tensorflow-Keras. Recurrent neural networks are treated holistically from simple to gated architectures, adopting the technical machinery of adaptive non-convex optimization with dynamic constraints to leverage its systematic power in organizing the learning and training processes. This permits the flow of concepts and techniques that provide grounded support for design and training choices. The author's approach enables strategic co-training of output layers, using supervised learning, and hidden layers, using unsupervised learning, to generate more efficient internal representations and accuracy performance. As a result, readers will be enabled to create designs tailoring proficient procedures for recurrent neural networks in their targeted applications.

Advances in Nonlinear Photonics (Paperback): Giancarlo C. Righini, Luigi Sirleto Advances in Nonlinear Photonics (Paperback)
Giancarlo C. Righini, Luigi Sirleto
R5,227 Discovery Miles 52 270 Ships in 12 - 17 working days

Advances in Nonlinear Photonics combines fundamental principles with an overview of the latest developments. The book is suitable for the multidisciplinary audience of photonics researchers and practitioners in academia and R&D, including materials scientists and engineers, applied physicists, chemists, etc. As nonlinear phenomena are at the core of photonic devices and may enable future applications such as all-optical switching, all-optical signal processing and quantum photonics, this book provides an overview of key concepts. In addition, the book reviews the most important advances in the field and how nonlinear processes may be exploited in different photonic applications.

Vision, Sensing and Analytics: Integrative Approaches (Hardcover, 1st ed. 2021): MD Atiqur Rahman Ahad, Atsushi Inoue Vision, Sensing and Analytics: Integrative Approaches (Hardcover, 1st ed. 2021)
MD Atiqur Rahman Ahad, Atsushi Inoue
R4,478 Discovery Miles 44 780 Ships in 12 - 17 working days

This book serves as the first guideline of the integrative approach, optimal for our new and young generations. Recent technology advancements in computer vision, IoT sensors, and analytics open the door to highly impactful innovations and applications as a result of effective and efficient integration of those. Such integration has brought to scientists and engineers a new approach -the integrative approach. This offers far more rapid development and scalable architecting when comparing to the traditional hardcore developmental approach. Featuring biomedical and healthcare challenges including COVID-19, we present a collection of carefully selective cases with significant added- values as a result of integrations, e.g., sensing with AI, analytics with different data sources, and comprehensive monitoring with many different sensors, while sustaining its readability.

Multiscale Transforms with Application to Image Processing (Hardcover, 1st ed. 2018): Aparna Vyas, Soohwan Yu, Joonki Paik Multiscale Transforms with Application to Image Processing (Hardcover, 1st ed. 2018)
Aparna Vyas, Soohwan Yu, Joonki Paik
R2,932 Discovery Miles 29 320 Ships in 10 - 15 working days

This book provides an introduction to image processing, an overview of the transforms which are most widely used in the field of image processing, and an introduction to the application of multiscale transforms in image processing. The book is divided into three parts, with the first part offering the reader a basic introduction to image processing. The second part of the book starts with a chapter on Fourier analysis and Fourier transforms, wavelet analysis, and ends with a chapter on new multiscale transforms. The final part of the book deals with all of the most important applications of multiscale transforms in image processing. The chapters consist of both tutorial and highly advanced material, and as such the book is intended to be a reference text for graduate students and researchers to obtain state-of-the-art knowledge on specific applications. The technique of solving problems in the transform domain is common in applied mathematics and widely used in research and industry, but is a somewhat neglected subject within the undergraduate curriculum. It is hoped that faculty can use this book to create a course that can be offered early in the curriculum and fill this void. Also, the book is intended to be used as a reference manual for scientists who are engaged in image processing research, developers of image processing hardware and software systems, and practising engineers and scientists who use image processing as a tool in their applications.

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