International Symposium on Optical Memory and Optical Data Storage Topical Meeting
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Holographic storage - elegant technology, elusive product
- Trang 138-140
This article gives a review of holographic data storage, and covers such topics
as: history and development; technological issues; recording media; recording
and recreation systems; future outlook and prospects.
#Holography #Photorefractive materials #Optical materials #Optical recording #Optical distortion #Optical modulation #Holographic optical components #Liquid crystal displays #Sensor arrays #Costs
Commercialization of holographic storage at InPhase Technologies
- Trang 6-8
InPhase Technologies was founded in late 2000 by the core technical team from
Bell Labs, who, over the course of seven years, invented and developed the
breakthrough holographic storage technology. This paper looks at the development
and commercialization of this technology, including the basic technology, video
demonstration technology, drive development, and storage medium development.
#Commercialization #Holography #Laser beams #Testing #Holographic optical components #Material storage #Optical recording #Optical modulation #Chemical elements #Videoconference
Application of multi-level recording with growth-dominant material to CD and blue DVR generations
- Trang 66-68
We confirmed that the ML (reflectivity) recording with growth-dominant material
can be universally applied to any density of optical disc from CD to DVR blue.
The present study is focused on the evaluation from the view point of a
removable disc manufacturer, i.e., reliability such as overwrite cyclability and
archival and self life and volume production capability.
#CD recording #Aging #Amorphous materials #Optical materials #Size control #Crystallization #Writing #Disk recording #Optical recording #Space technology
Physical characteristics and format of a two-inch-diameter magneto-optical disk system with 3-GB capacity
- Trang 42-44
A small and high-density rewritable optical disk has been anticipated for mobile
devices. A two-inch-diameter magneto-optical disk system, which adopts a DWDD
(domain wall displacement detection) and sampled servo technique, was reported
in a previous work (T. Shiratori et al, J. Magn. Soc. Jpn., vol. 22, supp. no.
S2, pp. 47-50, 1998; M. Birukawa et al, Proc. MORIS2002). This paper describes
the ...
#Servomechanisms #Cities and towns #Automatic voltage control #Magnetooptic recording #Delta modulation #Magnetic cores #Optical devices #Optical crosstalk #Magnetooptic devices #Laser theory
Ge/sub 2/Sb/sub 2/Te/sub 5/ thin film doped with silver [optical disc storage]
- Trang 213-215
The reflectivity and thermal properties are the main problems in GeSbTe
phase-change disks that must be improved (N. Nobukuni et al., J. Appl. Phys.
vol. 78, p. 6980, 1995; A. Hirotsune et al., Jpn. J. Appl. Phys. vol. 35, p.
346, 1996; C.M. Lee et al., J. Appl. Phys. vol. 89, p. 3290, 2001; S.Y. Kim et
al., Jpn. J. Appl. Phys. vol. 38, p. 1713, 1997). We found that a small amount
of Ag addition t...
#Transistors #Silver #Optical films #Temperature #Reflectivity #Annealing #Amorphous materials #Crystallization #Sputtering #Wavelength measurement
Read-write and content-addressable holographic data storage
- Trang 141-143
Recent progress made towards two variants of holographic data storage is
summarized. For fast-access read-write systems, the extension of high density to
high capacity using phase-conjugate readout, and signal processing to relieve
alignment and distortion constraints are described. For content-addressable
systems, massively parallel correlators and associated fidelity issues are
discussed. The pa...
#Holography #Memory #Material storage #Information retrieval #Holographic optical components #Optical buffering #Optical recording #Optical sensors #Optical materials #Databases
Table of contents - Post deadline session
- Trang i-446 - 2002
Presents the table of contents for Post deadline session papers.
Recording and readout mechanisms of super-resolution near-field structure disc with silver oxide layer
- Trang 45-47
Several technologies to increase the densities of optical discs have been
proposed. Among them, the super-resolution near-field structure (Super-RENS)
technique (J. Tominaga et al., Appl. Phys. Lett. vol. 73, p. 2078, 1998; H. Fuji
et al., Jpn. J. Appl. Phys. vol. 39, p. 980, 2000) is attractive because it
satisfies both super-high-density recording/readout and removability at the same
time. In th...
#Disk recording #Structural discs #Silver #Optical films #Laboratories #Optical recording #Signal resolution #Crystallization #Zinc compounds #Stacking
Storage of micro-holograms in a Methyl Red doped Polymer Dispersed Liquid Crystal
- Trang 180-182
In this paper the author demonstrates the feasibility of a novel technique in
storing data in a Methyl Red doped Polymer Dispersed Liquid Crystal (PDLC) by
holography. Holographic gratings were recorded side by side and its effect on
the diffraction efficiencies are noted.
#Liquid crystal polymers #Holography #Optical recording #Gratings #Diffraction #CD recording #Laser beams #Holographic optical components #Optical refraction #Optical variables control
Chip in disc for optical storage
- Trang 3-5
This paper deals with the design of a stand alone chip which is added to an
optical disc to comprise secret keys and cryptographic algorithms in order to
realize digital rights management and copy protection. The chip technology and
the architecture of the physical layer are discussed.
#Cryptography #Protection #Radio frequency #Nonvolatile memory #Data security #Bonding #Physical layer #Watermarking #Motion pictures #Computer aided manufacturing