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5th Conference on optical Pattern Recognition

作者： DOMASH, LH FOSTER MILLER INC WALTHAMMA 02154

ISBN: (纸本)0819415413

A desktop design and manufacturing system for binary diffractive elements, MacBEEP, was developed with the optical researcher in mind. optical processing systems for specialized tasks such as cellular automation computation and fractal measurement were constructed. A new family of switchable holograms has enabled several applications for control of laser beams in optical memories. New spatial light modulators and optical logic elements have been demonstrated based on a more manufacturable semiconductor technology. Novel synthetic and polymeric nonlinear materials for optical storage are under development in an integrated memory architecture. SBIR programs enable creative contributions from smaller companies, both product oriented and technology oriented, and support advances that might not otherwise be developed.

关键词： Optics manufacturing optical storage Fractal analysis Holograms Polymers Binary data Holography optical signal processing Computer aided design optical computing

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Use of optical storage for patent image retrieval-the U.S. Patent and Trademark Office's automated patent system

Use of optical storage for patent image retrieval-the U.S. P...

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storage and Retrieval Systems and Applications

作者： Jacobson, Stephen R. U.S. Patent and Trademark Office Arlington United States

ISBN: (纸本)0819402958

The Automated Patent System (APS) was designed, among other things, to assist the patent examiner in performing the patent search. It is a fully distributed system that uses custom-built high-resolution dual-display intelligent workstations, optical file servers, mainframes, and support computers networked together using Ethernet technology. The system is composed of two parts which are highly integrated: a full text search system and a patent image retrieval system. When fully deployed, APS will have an image data base of up to 30 terabytes being accessed from over 1000 workstations. The U.S. Patent and Trademark Office (PTO) has had problems with their optical drives, and although they are fairly stable today, we still experience a moderately high hardware failure rate. The optical drive problems include media instability, hardware design errors, vendor problems, and configuration control failures. We intend to purchase additional drives in the future, and are re-evaluating the exclusive use of optical storage in light of recent advances in magnetic storage technology.

关键词： data storage, optical

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Communication of CD-R characteristics such as data integrity, media reliability, and life expectancy to application developers and data users

Communication of CD-R characteristics such as data integrity...

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Conference on Recent advances in Metrology, Characterization, and Standards for optical Digital data Disks

作者： Brown, M Keys, K US EPA Crystal City VA 22202 USA

ISBN: (纸本)081943292X

Communication to application developers and data users of CD-R characteristics such as data integrity, media reliability and life expectancy should be considered as engineers create optical storage media that can store more data. Though the point of view of this paper is primarily based on the views of a few experienced CD-R end-users, optical engineers should consider implementation of the following design recommendations explained in this paper. The authors' extensive experience in using CD-R technology and their substantial interaction with other CD-R users provides a rare perspective on CD-R characteristic information. Although this paper is directed to optical engineers, it is written with the expectation that a broader readership will also benefit from the information presented. The paper presents to the engineering community potential methods of communicating CD-R characteristics with an emphasis on the types of information that would be useful to CD-R users.

关键词： data integrity media reliability life expectancy CD-R DVD-R Orange Book Superfund Environmental Protection Agency (EPA) Office of Emergency and Remedial Response (OERR) characteristic information

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Reduction of zero-order spatial frequencies by using binary intensity and phase modulations in holographic data storage

Reduction of zero-order spatial frequencies by using binary ...

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Conference on Holography - advances and Modern Trends II

作者： Fernandez, Elena Marquez, Andres Pinol, Diego Padilla, Javier Pascual, Inmaculada Univ Alicante Dept Opt Farmacol & Anat Apartado 99 E-03080 Alicante Spain Univ Alicante Dept Fis Ingn Sistemas & Teor Senal E-03080 Alicante Spain

ISBN: (纸本)9780819486646

Holographic data storage is a new optical technology which allows storing an important number of bits in a recording material. In this work, two different types of modulations, defocused binary intensity modulation and phase modulation, are compared to obtain which modulation could be the most suitable for holographic data storage. The best modulation would be the modulation with a homogeneous distribution of energy in the FT plane with no zero frequency peak.

关键词： Holographic data storage LCD modulations

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E-beam proximity effect parameters of sub-100nm features

E-beam proximity effect parameters of sub-100nm features

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Conference on advances in Resist technology and Processing XXI

作者： Mountfield, K Eckert, A Yang, XM Johns, E Seagate Res Pittsburgh PA 15222 USA

ISBN: (纸本)0819452890

Understanding the proximity effect is crucial to fabricating repeatable sub-100 nm features for magnetic recording devices. Top down CD-SEM measurements have been used to measure the proximity effect parameters in negative and positive resists at dimensions below 100 nm. The goal of this work is to experimentally determine the values of the parameters alpha, beta and eta and what they depend on.

关键词： E-beam lithography proximity effect data storage thin film heads nanofabrication

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Recent advances for poly(cyclotriphosphazene) functionalized graphene oxide composites: Synthesis, properties and applications

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JOURNAL OF INDUSTRIAL AND ENGINEERING CHEMISTRY 2024年 136卷 89-122页

作者： Dagdag, Omar Kim, Hansang Gachon Univ Dept Mech Engn Seongnam 13120 South Korea

Poly(cyclotriphosphazene) functionalized graphene oxide (PCTP-GO) is a composite material composed of graphene oxide (GO) and poly(cyclotriphosphazene) (PCTP). This hybrid material has distinct properties that allow it to be used in a variety of applications. Some examples of potential applications are: energy storage devices, composite materials, sensors, biomedical applications, drug delivery, water purification, catalysis, electronics, and conductive materials. PCTP-GO exhibits various desirable performances, such as excellent electrical resistance, high chemical stability, high insulation, good thermal stability, good mechanical characteristics, and adhesion. This review comprehensively examines the synthesis and characterization of PCTP-GO, as well as its performance in various applications, such as improving the thermal, mechanical, tribological, and optical properties of composites, as well as developing highly efficient flame-retardant materials, conductive additives in Li -ion batteries and supercapacitors, and efficient heavy metal ion adsorbents. This review also identifies significant research data shortages in the field and highlights future opportunities.

关键词： Poly(cyclotriphosphazene) Graphene oxide Hybrid material Synthesis Composites materials Flame retardancy Energy storage and wastewater treatment

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A Software Framework for the Analysis of Complex Microscopy Image data

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IEEE TRANSACTIONS ON INFORMATION technology IN BIOMEDICINE 2010年第4期14卷 1075-1087页

作者： Chao, Jerry Ward, E. Sally Ober, Raimund J. Univ Texas Dallas Dept Elect Engn Richardson TX 75080 USA Univ Texas SW Med Ctr Dallas Dept Immunol Dallas TX 75390 USA

Technological advances in both hardware and software have made possible the realization of sophisticated biological imaging experiments using the optical microscope. As a result, modern microscopy experiments are capable of producing complex image datasets. For a given data analysis task, the images in a set are arranged, based on the requirements of the task, by attributes such as the time and focus levels at which they were acquired. Importantly, different tasks performed over the course of an analysis are often facilitated by the use of different arrangements of the images. We present a software framework that supports the use of different logical image arrangements to analyze a physical set of images. This framework, called the Microscopy Image Analysis Tool (MIATool), realizes the logical arrangements using arrays of pointers to the images, thereby removing the need to replicate and manipulate the actual images in their storage medium. In order that they may be tailored to the specific requirements of disparate analysis tasks, these logical arrangements may differ in size and dimensionality, with no restrictions placed on the number of dimensions and the meaning of each dimension. MIATool additionally supports processing flexibility, extensible image processing capabilities, and data storage management.

关键词： Image analysis image viewer microscopy multidimensional data software framework

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Recent advances in metasurface hologram technologies

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ETRI JOURNAL 2019年第1期41卷 10-22页

作者： Lee, Gun-Yeal Sung, Jangwoon Lee, Byoungho Seoul Natl Univ Sch Elect & Comp Engn Seoul South Korea

Since Leith and Upatnieks demonstrated the first optical hologram in 1964, hologram technology has attracted a great deal of interest in a wide range of optical fields owing to its potential use in future optical applications such as holographic imaging and optical data storage. Although there have been considerable efforts to develop holographic technologies using conventional optics, critical issues still hinder future development. Recently, metasurfaces composed of artificially fabricated subwavelength structures have been considered as novel holographic devices that show an unprecedented ability to control electromagnetic waves. In this review, we outline the recent progress in metasurface holography. A general introduction to several types of metasurface holography categorized based on their physics and application is provided. Then, our personal perspective on the future of this field is discussed.

关键词： holography meta-hologram Metasurface nanophotonics spatial light modulation

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Lyteloop data "storage in Motion"

Lyteloop Data "Storage in Motion"

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Conference on Industrial optical Devices and Systems (ODS) as part of the SPIE Optics + Photonics Conference

作者： McManamon, P. F. Vedadi, A. Willner, A. Choudhary, D. Harlev, O. Lyteloop 80 Cuttermill RdSuite 309 Great Neck NY 11021 USA Exciting Technol LLC Dayton OH 45424 USA USC Los Angeles CA USA

ISBN: (数字)9781510629448

ISBN: (纸本)9781510629448

This paper presents a patent pending approach to store digital data using high bandwidth laser light in motion. data is stored in a loop. The amount of data stored is the data rate times the storage time. Lyteloop uses: (i) highly multiplexed optical communications to maximize data rate, and (ii) a long light path, to maximize length of time it takes light to traverse the full storage loop. Lyteloop is developing data storage in motion in 4 domains : fiber, space, and two forms of near vacuum chambers. Multiplexing is done across very wide wavelength ranges, and many spatial modes. OEM modes will be used in free space at the shorter wavelengths, and other spatial mode structures will be used in fibers. Multiple cores will be used in fibers. A 1.5 Gigabyte demonstation data storage unit has been built in fiber, and is described, along with its performance. We are starting a free space prototype. Lyteloop builds on, and advances, both free space, and fiber, high data rate communications technology as a method of storing data in motion. We also have patent pending approaches to increase the length of the data stroage loop. Less complex, and lower power, signal regeneration will be required to achive Lytelops's goals.

关键词： data storage data transfer rates Vacuum chambers Fiber digital data

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storage technology initiatives - NSIC (National storage Industry Consortium)

Storage technology initiatives - NSIC (National Storage Indu...

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Proceedings of the 1994 13th Symposium on Mass storage Systems

作者： Hoagland, A.S. Santa Clara Univ Santa Clara United States

A consortium of American companies and universities - called The National storage Industry Consortium (NSIC) - has been formed for the purpose of soliciting US Government funding to support `preproprietary' technology initiatives focused on accelerating technical advances in data storage technology. A set of 5-year projects was funded last year. The goals of these projects include attaining a recording density of 10 gigabits per square inch on magnetic disk and 1 terabyte per cubic inch on magnetic tape;goals for optical storage are similar to these. A brief review will be given of the NSIC organization, its technical program structure, and the status of the ARPA-funded technical activities.

关键词： data storage equipment

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