High-density optical disk storage at short wavelength

1994 ◽  
Author(s):  
Fuxi Gan
Keyword(s):  
Short Wavelength ◽  
Optical Disk ◽  
High Density ◽  
Disk Storage

High-density magneto-optical disk suitable for short wavelength recording

1995 ◽  
Author(s):  
Yoon-Gi Kim ◽  
Yong-Jin Ahn ◽  
Hyeon-Chang Hong ◽  
In-Duk Hwang ◽  
Dong-Ho Shin
Keyword(s):  
Short Wavelength ◽  
Optical Disk ◽  
High Density

Analysis on control methods of two-stage positioning for high-density optical disk mastering

2005 ◽  
Author(s):  
Quanhong Shen ◽  
Peijun Jiang ◽  
Guosheng Qi ◽  
Duanyi Xu ◽  
Jie Song
Keyword(s):  
Optical Disk ◽  
High Density ◽  
Control Methods ◽  
Two Stage

Development of short-wavelength far-infrared laser for high density plasma diagnostics

2001 ◽  
Vol 72 (1) ◽  
pp. 1094-1097 ◽  
Author(s):  
S. Okajima ◽  
K. Nakayama ◽  
H. Tazawa ◽  
K. Kawahata ◽  
K. Tanaka ◽  
...  
Keyword(s):  
Plasma Diagnostics ◽  
Short Wavelength ◽  
Far Infrared ◽  
Infrared Laser ◽  
High Density ◽  
Far Infrared Laser ◽  
Density Plasma

Three-Dimensional Magneto-Optical Recording

2004 ◽  
Vol 834 ◽  
Author(s):  
Akiyoshi Itoh
Keyword(s):  
Storage System ◽  
Three Dimensional ◽  
Optical Recording ◽  
High Density ◽  
The Novel ◽  
National Project ◽  
3 Dimensional ◽  
Disk Storage ◽  
High Density Recording ◽  
New Type

ABSTRACTIn this report, the newly developed three-dimensional magneto-optical (MO) recording scheme and the experimental results are reported. A part of this work has been done as the national project of 3D-MO (3-dimensional MO) project. It started at September 1998 and ended March 2002 as a part of the national project “Nanometer-Scale Optical High Density Disk Storage System” and aimed at achieving 100 Gb/in2 in storage density. Three-dimensional MO recording is one of the prosperous candidates of next generation ultra high density recording. Magnetic amplifying MO system (MAMMOS) is employed for achieving the novel three-dimensional MO recording. Double-MAMMOS scheme consists of 2-recording layers of differing compensation temperature (Tcomp ) and one readout layer was proposed and discussed.With write/read test it is succeeded to show the results corresponding to a 100 Gb/in2 (50 Gb/in2 × 2) recording density. We also proposed and showed results of simulations of a new type of Double-MAMMOS in which the recording layers can hold quadri-valued information by single writing process.

scholarly journals IUE Studies of Hot Binary Stars

1992 ◽  
Vol 135 ◽  
pp. 393-395
Author(s):  
David J. Stickland
Keyword(s):  
Binary Stars ◽  
Storage Systems ◽  
Optical Disk ◽  
Public Access ◽  
High Dispersion ◽  
Disk Storage ◽  
International Ultraviolet Explorer ◽  
On Line ◽  
To Come ◽  
Reduced Data

The International Ultraviolet Explorer (IUE) was launched on 26th January 1978 and is still fully operational today, with several more years hopefully to come. After six months, the fully–reduced data is consigned to public–access archives maintained by the project agencies (NASA, ESA, and SERC). Thus, in addition to observations from current and future programmes, there are ~12,000 high–dispersion (Δλ ~ 0.15Å) spectra readily available now for research on stars hotter than about mid-B type. Furthermore, a uniform reprocessing, with optimum schemes, of all past IUE images has begun, to create the Final Archive which will be made accessible on–line through optical disk storage systems and will ensure the value of IUE data well into the future.

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