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Author: Christopher James Ryan
Publisher:
ISBN:
Category : Optical storage devices
Languages : en
Pages : 0
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Book Description
Since the late 1980s optical data storage has been a staple for the circulation of digital information. Through the years the storage capacity of these devices has grown to match new demands and applications. However, fundamental optical limitations exist which inhibit the growth of the current paradigm of devices. This work is comprised of experiments and demonstrations related to new optical data storage techniques. Various results are presented to augment and optimize future iterations of such devices. Most notably, a 64 layer disk is fabricated and used to store data. This device is fashioned using a polymer coextrusion technique and stores information at a high density on 23 of its 64 fluorescent layers. To understand the significance of such devices, a simulation is used to quantify the benefits of multilayered storage disks over monolithic devices. Noise is shown to be drastically reduced in multilayered structures, while the signal contrast grows under the influence of confinement effects. In the process of making this device, an aggregrochromic dye was chosen as a candidate material. Further experiments characterize how the dye changes phases as a response to photopatterning. As presented, these projects cite specific issues with optical data storage technology and offer options for complexity and growth within the field. Also presented is an unrelated experiment which determines the dimensionality of the exciton-exciton interaction in Zinc Phthalocyanine
Author: Christopher James Ryan
Publisher:
ISBN:
Category : Optical storage devices
Languages : en
Pages : 0
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Book Description
Since the late 1980s optical data storage has been a staple for the circulation of digital information. Through the years the storage capacity of these devices has grown to match new demands and applications. However, fundamental optical limitations exist which inhibit the growth of the current paradigm of devices. This work is comprised of experiments and demonstrations related to new optical data storage techniques. Various results are presented to augment and optimize future iterations of such devices. Most notably, a 64 layer disk is fabricated and used to store data. This device is fashioned using a polymer coextrusion technique and stores information at a high density on 23 of its 64 fluorescent layers. To understand the significance of such devices, a simulation is used to quantify the benefits of multilayered storage disks over monolithic devices. Noise is shown to be drastically reduced in multilayered structures, while the signal contrast grows under the influence of confinement effects. In the process of making this device, an aggregrochromic dye was chosen as a candidate material. Further experiments characterize how the dye changes phases as a response to photopatterning. As presented, these projects cite specific issues with optical data storage technology and offer options for complexity and growth within the field. Also presented is an unrelated experiment which determines the dimensionality of the exciton-exciton interaction in Zinc Phthalocyanine
Author: Donald L. Wise
Publisher: CRC Press
ISBN: 148226997X
Category : Technology & Engineering
Languages : en
Pages : 968
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Book Description
"Furnishes the necessary background information, methods of characterization, and applications of optic and photonic systems based on polymers. Provides detailed tutorial chapters that offer in-depth explanations of optic and photonic fundamentals and synthesis techniques."
Author: Shizuhuo Yin
Publisher: Academic Press
ISBN: 0127748105
Category : Science
Languages : en
Pages : 593
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Book Description
"This text covers the fundamental aspects and the recent advances of photorefractive optics. There is a market potential for developing photorefractive (PR) optic devices for the needs of informational infrastructures. Photorefractive Optics provides an intensive background and details state-of-the-art technological applications for these needs. The book is a reference text for technical staff, research scientists, and graduate students who are working in the field."--BOOK JACKET
Author: Guang S. He
Publisher: Oxford University Press
ISBN: 0192895613
Category : Science
Languages : en
Pages : 545
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Book Description
"Laser stimulated scattering and multiphoton excitation is the first book to comprehensively cover laser stimulated scattering studies and laser multiphoton excitation-related studies. It is essential reading for academics, research scientists, and students working or interested in the areas of nonlinear optics, nonlinear photonics, laser spectroscopy, physical optics, physical chemistry, and optoelectronic engineering. Featuring cutting-edge discussions of new discoveries in the field, including stimulated Rayleigh-Bragg scattering (SRBS) and stimulated Mie scattering (SMS), the book also examines multiphoton excitation-based nonlinear optical effects, photoelectric effects, atomic and molecular ionizatoin effects, and molecular dissociation effects. Each major stimulated scattering effect is presented in its own chapter, alongside a description of the key concepts and mechanisms, as well as the necessary theoretical formulations. Furthermore, this is an engaging text that explains the latest experimental research achievements and their scientific and technological applications."--Back cover
Author: Yanlin Song
Publisher: World Scientific
ISBN: 9814469912
Category : Computers
Languages : en
Pages : 272
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Book Description
The explosive increase in information and the miniaturization of electronic devices demand new recording technologies and materials that combine high density, fast response, long retention time and rewriting capability. As predicted, the current silicon-based computer circuits are reaching their physical limits. Further miniaturization of the electronic components and increase in data storage density are vital for the next generation of IT equipment such as ultra high-speed mobile computing, communication devices and sophisticated sensors. This original book presents a comprehensive introduction to the significant research achievements on high-density data storage from the aspects of recording mechanisms, materials and fabrication technologies, which are promising for overcoming the physical limits of current data storage systems. The book serves as an useful guide for the development of optimized materials, technologies and device structures for future information storage, and will lead readers to the fascinating world of information technology in the future.
Author: Cambyse Guy Omidyar
Publisher: World Scientific
ISBN: 9812776281
Category : Technology & Engineering
Languages : en
Pages : 454
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Book Description
Optical communications networks are becoming increasingly important as there is demand for high capacity links. Dense wavelength division multiplexing (DWDM) is widely deployed at the core networks to accommodate high capacity transport systems. Optical components such as optical amplifiers, tunable filters, transceivers, termination devices and add-drop multiplexers are becoming more reliable and affordable. Access and metropolitan area networks are increasingly built with optical technologies to overcome the electronic bottleneck at network edges. New components and subsystems for very high speed optical networks offer new design options.The proceedings of the First International Conference on Optical Communications and Networks present high quality recent research results in the areas of optical communications, network components, architectures, protocols, planning, design, management and operation.
Author: Ting Joo Fai
Publisher: Springer Science & Business Media
ISBN: 1489905022
Category : Science
Languages : en
Pages : 770
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Book Description
Proceedings of the Third International Conference on Frontiers of Polymers and Advanced Materials held in Kuala Lumpur, Malaysia, January 16-20, 1995
Author: Daniel John Day
Publisher:
ISBN:
Category : Computer storage devices
Languages : en
Pages : 140
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Book Description
Author: Andreea Irina Barzic
Publisher: CRC Press
ISBN: 131535098X
Category : Science
Languages : en
Pages : 278
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Book Description
Phase morphology in multicomponent polymer-based systems represents the main physical characteristic that allows for control of the material design and implicitly the development of new plastics. Emphasizing properties of these promising new materials in both solution and solid phase, this book describes the preparation, processing, properties, and practical implications of advanced multiphase systems from macro to nanoscales. It covers a wide range of systems including copolymers, polymer blends, polymer composites, gels, interpenetrating polymers, and layered polymer/metal structures, describing aspects of polymer science, engineering, and technology. The book analyzes experimental and theoretical aspects regarding the thermal and electrical transport phenomena and magnetic properties of crucial importance in advanced technologies. It reviews the most recent advances concerning morphological, rheological, interfacial, physical, fire-resistant, thermophysical, and biomedical properties of multiphase polymer systems. Concomitantly the book deals with basic investigation techniques that are sensitive in elucidating the features of each phase. It also discusses the latest research trends that offer new solutions for advanced bio- and nanotechnologies. Introduces an overview of recent studies in the area of multiphase polymer systems, their micro- and nanostructural evolutions in advanced technologies, and provides future outlooks, new challenges and opportunities. Discusses multicomponent structures that offer enhanced physical, mechanical, thermal, electrical, magnetic, and optical properties adapted to current requirements of modern technologies. Covers a wide range of materials, such as composites, blends, alloys, gels and interpenetrating polymer networks. Presents new strategies for controlling the micro- and nanomorphology and the mechanical properties of multiphase polymeric materials. Describes different applications of multiphase polymeric materials in various fields, including automotive, aeronautics and space industry, displays, and medicine.
Author: K.L. Mittal
Publisher: Springer Science & Business Media
ISBN: 1461308437
Category : Science
Languages : en
Pages : 450
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Book Description
This volume documents the proceedings of the Symposium on Polymers in Information Storage Technology held as a part of the American Chemical Society meeting in Los Angeles, September 25-30, 1988. It should be recorded here that this symposium was cosponsored by the Division of Polymeric Materials: Science and Engineering, and the Division of Polymer Chemistry. Polymers are used for a variety of purposes in both optical and magnetic information storage technologies. For example, polymers find applications as substrate, for storing information directly, as protective coating, as lubricant, and as binder in magnetic media. In the last few years there has been a high tempo of research activity dealing with the many ramifications of polymers in the exciting arena of information storage. Concomitantly, we decided to organize this symposium and I believe this was the premier event on this topic. This symposium was conceived and organized with the following objectives in mind: (1) to bring together those actively involved (polymer chemists, polymer physicists, photochemists, surface and colloid chemists, tribo10gists and so on) in the various facets of this topic; (2) to provide a forum for discussion of latest R&D activity in this technology; (3) to provide an opportunity for cross-pollination of ideas; and (4) to identify and highlight areas, within the broad purview of this topic, which needed intensified or accelerated R&D efforts.
