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Author: Yu Xu
Publisher:
ISBN:
Category :
Languages : en
Pages : 214
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Book Description
Author: Yu Xu
Publisher:
ISBN:
Category :
Languages : en
Pages : 214
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Book Description
Author: Kevin Curtis
Publisher: John Wiley & Sons
ISBN: 0470975784
Category : Science
Languages : en
Pages : 414
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Book Description
Holographic Data Storage: From Theory to Practical Systems is a primer on the design and building of a holographic data storage system covering the physics, Servo, Data Channel, Recording Materials, and optics behind holographic storage, the requirements of a functioning system, and its integration into "real-life" systems. Later chapters highlight recent developments in holographic storage which have enabled readiness for commercial implementation and discuss the general outlook for the technology, including the transition from professional to consumer markets and the possibilities for mass reproduction.
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: Hans J. Coufal
Publisher: Springer
ISBN: 3540478647
Category : Science
Languages : en
Pages : 493
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Book Description
An outstanding reference book on an exciting topic, reaching out to the 21st century's key technologies. The editors, together with leading experts in the field from both academic research and industry, bring together the latest knowledge on this technique. The book starts with an introduction on the history and fundamentals, multiplexing methods, and noise sources. The following chapters describe in detail recording media, components, channels, platforms for demonstration, and competing technologies such as classical hard disks or optical disks. More than 700 references will make this the ultimate source of information for the years to come. The book is intended for physicists, optical engineers, and executives alike.
Author: Xiaodi Tan
Publisher: John Wiley & Sons
ISBN: 3527810471
Category : Technology & Engineering
Languages : en
Pages : 293
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Book Description
Collinear Holography Provides state-of-the-art, in-depth knowledge on the principles, devices, and applications of collinear holography In the era of Big Data, traditional magnetic and optical storage technologies are unable to satisfy the growing demand for reliable, scalable, cost-effective, and energy-efficient data storage. Holographic storage, considered the most promising technology for meeting the future storage needs of the information age, adopts a three-dimensional volume storage mode with a theoretical storage density vastly greater than conventional optical disks. Collinear Holography: Devices, Materials, Data Storage is a comprehensive, up-to-date account of the volumetric recording technology that combines large storage capacities with high transfer rates and exceptional reliability in optical data storage systems. Written by pioneers in the field, this authoritative book provides detailed coverage of the key technological approaches, theories, applications, systems, devices, and components in the rapidly advancing field of holographic data storage. Explains the principles of collinear holography, its different system setups, key devices and components, and current challenges Describes the materials, data and media formats, servo controls, and read/write characteristics of collinear holography storage systems Details collinear holography in current applications such as holo-printing, correlation, and encryption Discusses futures technologies including the Holographic Versatile Disc (HVD) and the The Holographic Versatile Card (HVC) Collinear Holography: Devices, Materials, Data Storage is an indispensable resource for applied physicists, electrical engineers, and materials and information scientists in both academia and industry.
Author: C. Denz
Publisher:
ISBN:
Category :
Languages : en
Pages : 4
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Book Description
Reconfigurable volume holograms are important for a wide range of multiple data storage applications, including optical interconnection systems, image processing and neural network models. Therefore, there has been much previous work on multiplexing techniques to obtain a large number of stored images which can be recalled independently. But even the most promising of these multiplexing techniques, angular multiplexing using the selectivity of the Bragg-condition, revealed to be limited primarily because of cross correlation noise. Moreover, mechanically changing the incident angle of the reference beam requires a high reliability in the positioning and is therefore inherently slow. To over-come these problems, an intensity spatial light modulator can be used to define the various angular multiplexed incident directions. However, this solution is energy consuming. Out of these reasons, we present in this paper an alternative approach implementing a phase coding method of the reference beam. Phase encoding has been discussed for interconnecting vector arrays in thin hologram and, more recently in a different context, to perform array interconnections by correlation of a reference beam with a supplementary phase-coded input beams.
Author: Vincent Toal
Publisher: CRC Press
ISBN: 1000785629
Category : Science
Languages : en
Pages : 449
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Book Description
This fully updated second edition of Introduction to Holography provides a theoretical background in optics and holography with a comprehensive survey of practical applications. It is intended for the non-specialist with an interest in using holographic methods in research and engineering. The text assumes some knowledge of electromagnetism, although this is not essential for an understanding of optics, which is covered in the first two chapters. A descriptive approach to the history and principles of holography is followed by a chapter on volume holography. Essential practical requirements for successful holographic recording are explained in detail. Recording materials are considered with detailed discussions of those in common use. Properties peculiar to holographically reconstructed images are emphasised as well as applications for which holography is particularly suitable. Mathematical tools are introduced as and when required throughout the text with important results derived in detail. In this new edition, topics such as photopolymers, dynamic holographic displays, holographic optical elements, sensors, and digital holography are covered in greater depth. New topics have been added, including UV and infrared holography, holographic authentication and encryption, as well as particle beam, X-ray, and acoustic holography. Numerical problems are provided at the end of each chapter. This book is suitable for undergraduate courses and will be an important resource for those teaching optics and holography. It provides scientists and engineers with knowledge of a wide range of holographic applications in research and industry, as well as an understanding of holography’s potential for future use.
Author: Ronald G. Driggers
Publisher: CRC Press
ISBN: 9780824742508
Category : Science
Languages : en
Pages : 1240
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Book Description
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Author: National Aeronautics and Space Adm Nasa
Publisher:
ISBN: 9781729350812
Category :
Languages : en
Pages : 46
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Book Description
High density optical data storage, driven by the information revolution, remains at the forefront of current research areas. Much of the current research has focused on photorefractive materials (SBN and LiNbO3) and polymers, despite various problems with expense, durability, response time and retention periods. Photon echo techniques, though promising, are questionable due to the need for cryogenic conditions. Bacteriorhodopsin (BR) films are an attractive alternative recording medium. Great strides have been made in refining BR, and materials with storage lifetimes as long as 100 days have recently become available. The ability to deposit this robust polycrystalline material as high quality optical films suggests the use of BR as a recording medium for commercial optical disks. Our own recent research has demonstrated the suitability of BR films for real time spatial filtering and holography. We propose to fully investigate the feasibility of performing holographic mass data storage in BR. Important aspects of the problem to be investigated include various data multiplexing techniques (e.g. angle- amplitude- and phase-encoded multiplexing, and in particular shift-multiplexing), multilayer recording techniques, SLM selection and data readout using crossed polarizers for noise rejection. Systems evaluations of storage parameters, including access times, memory refresh constraints, erasure, signal-to-noise ratios and bit error rates, will be included in our investigations. Mehrl, David J. and Krile, Thomas F. Ames Research Center NAG2-1077...
Author: Craig Hoffman
Publisher: CRC Press
ISBN: 1351247174
Category : Science
Languages : en
Pages : 3726
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Book Description
The first edition of the Encyclopedia of Optical and Photonic Engineering provided a valuable reference concerning devices or systems that generate, transmit, measure, or detect light, and to a lesser degree, the basic interaction of light and matter. This Second Edition not only reflects the changes in optical and photonic engineering that have occurred since the first edition was published, but also: Boasts a wealth of new material, expanding the encyclopedia’s length by 25 percent Contains extensive updates, with significant revisions made throughout the text Features contributions from engineers and scientists leading the fields of optics and photonics today With the addition of a second editor, the Encyclopedia of Optical and Photonic Engineering, Second Edition offers a balanced and up-to-date look at the fundamentals of a diverse portfolio of technologies and discoveries in areas ranging from x-ray optics to photon entanglement and beyond. This edition’s release corresponds nicely with the United Nations General Assembly’s declaration of 2015 as the International Year of Light, working in tandem to raise awareness about light’s important role in the modern world. Also Available Online This Taylor & Francis encyclopedia is also available through online subscription, offering a variety of extra benefits for researchers, students, and librarians, including: Citation tracking and alerts Active reference linking Saved searches and marked lists HTML and PDF format options Contact Taylor and Francis for more information or to inquire about subscription options and print/online combination packages. US: (Tel) 1.888.318.2367; (E-mail)
[email protected] International: (Tel) +44 (0) 20 7017 6062; (E-mail)
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