نتایج جستجو برای: optical storage

تعداد نتایج: 446463  

Journal: :Chemical Society reviews 2007
Avtar S Matharu Shehzad Jeeva P S Ramanujam

A tutorial review is presented to inform and inspire the reader to develop and integrate strong scientific links between liquid crystals and holographic data storage, from a materials scientist's viewpoint. The principle of holographic data storage as a means of providing a solution to the information storage demands of the 21st century is detailed. Holography is a small subset of the much larg...

Journal: :Optics express 2011
Atsushi Okamoto Keisuke Kunori Masanori Takabayashi Akihisa Tomita Kunihiro Sato

This study proposes holographic diversity interferometry (HDI), a system that combines information from spatially dispersed plural image sensors to reconstruct complex amplitude distributions of light signals. HDI can be used to generate four holographic interference fringes having different phases, thus enabling optical phase detection in a single measurement. Unlike conventional phase-shiftin...

2000
Mahdad Manavi Aaron Wegner Qi-Ze Shu Yeou-Yen Cheng

A multi-channel Optical Head has been developed to be incorporated with an Optical Tape Drive that enables greater than 1TB capacity and greater than 25 MB/s data transfer rate on a 0.5 mil thick, 0.5 inch wide optical tape that fits in a 3480 style cartridge. The optical design has been optimized to perform at 532 nm with maximum through put in the write path. With use of a 0.6 NA objective le...

2003
Sadik Esener Edwin P. Walker Yi Zhang Alexandr Dvornikov Peter Rentzepis

Current performance in two-photon volumetric data storage is presented and future directions discussed. Influence of numerical aperture in a 3-D multi-layer optical data storage system is analyzed.

There is considerable interest in using nano-emulsions (NEs) as delivery systems for lipophilicbioactive ingredients. In this study, the influence of G on the properties of vitamin E (VE) enriched NEsprepared using spontaneous emulsification (SE) method, were investigated. The particle size and optical clarityof the NEs depended strongly on the co-solvent presence, absence, an...

2008
Robert R. McLeod

It is no coincidence that we interact with the world primarily through visual means—light has many ideal properties for communication of information. These same properties make light ideal for data storage. The wavelength of visible light is small (on the order of 0.5 microns or about 1/7000 the height of a letter written in 10-point font), which indicates it can be used to read or write a larg...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه تبریز - دانشکده فیزیک 1386

چکیده ندارد.

2008
Anzar Khan Galen D. Stucky Craig J. Hawker

Research into the development of new data-storage strategies is fueled by the continuing demand for ultrahigh information capacity, increased data density, smaller form factor, and faster readout rates. Conventional data-storage devices such as magnetic hard-disk drives, optical disks, and semiconductor memories all rely on storing information bit by bit on the surface of a recording medium. Ho...

1998
Geoffrey W. Burr Jonathan Ashley Brian Marcus C. Michael Jefferson John A. Hoffnagle Hans Coufal

Holographic storage has the potential to become a digital data storage technology with fast readout and high density. Computer users have come to expect, however, that data retrieved from their storage devices will be retrieved error-free (with a probability of error <10−12). In both conventional storage devices and holographic data storage, achieving this degree of reliability involves a good ...

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