International Symposium on Optical Memory and Optical Data Storage Topical Meeting

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Fabrication of a high throughput apertured tip by the use of birds beak effect: a potential fabrication technique for near-field optical data storage
International Symposium on Optical Memory and Optical Data Storage Topical Meeting - - Trang 237-239
Ki-Bong Song, Sung-Q Lee, Junho Kim, Jeongyong Kim, Kang-Ho Park
An optical recording device with an atomic force microscope (AFM) tip, having a sub wavelength aperture, has been considered as one of candidates for Th/in/sup 2/ data density in near-field optical storage technology. However, the low optical throughput of a near field aperture limits the practical use of the near-field optical storage technique. This limit can be avoided by the enhancement of the...... hiện toàn bộ
#Optical device fabrication #Throughput #Birds #Memory #Optical recording #Atom optics #Apertures #Atomic force microscopy #Optical microscopy #Optical devices
Holographic storage - elegant technology, elusive product
International Symposium on Optical Memory and Optical Data Storage Topical Meeting - - Trang 138-140
G.T. Sincerbox
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
Adaptive aberration compensation in high NA optics
International Symposium on Optical Memory and Optical Data Storage Topical Meeting - - Trang 254-256
T. Shimano, T. Ariyoshi, H. Sukeda, K. Maruyama, K. Murata
Two approaches have been proposed for achieving 25-50 Gbyte capacity on one side of a 120 mm disc: using a two-element high numerical-aperture (NA) objective and using a dual-layered disc. One of the problems with these approaches is that an error in the cover-layer thickness of only a few microns can lead to serious spherical aberration. (SA). This is a particularly serious problem in dual-layere...... hiện toàn bộ
#Adaptive optics #Synthetic aperture sonar #Holographic optical components #Holography #Lenses #Servomechanisms #Focusing #Laboratories #Glass #Disk recording
Near-field recording with 266 nm laser for disc mastering process
International Symposium on Optical Memory and Optical Data Storage Topical Meeting - - Trang 296-298
S. Imanishi, M. Takeda, M. Yamamoto, N. Mukai, K. Takagi, T. Kono
We developed a near-field recording process with a 266 nm blue-violet laser and an objective lens of 1.35 NA. A two-stage servo with air suspension and PZT control sufficiently constrained the gap fluctuation between the supersphere solid immersion lens (SIL) and the glassmaster. As a result, the expected small size of the pit pattern was obtained. We expect that this breakthrough will be refined ...... hiện toàn bộ
#Disk recording #Lenses #Laser beams #Actuators #Fluctuations #Optical surface waves #Optical refraction #Optical sensors #Optical variables control #Electrooptic modulators
Mô phỏng ngưng tụ 3-D trong phương tiện ghi thay đổi pha Dịch bởi AI
International Symposium on Optical Memory and Optical Data Storage Topical Meeting - - Trang 66-68
Zhaohui Fan, D.E. Laughlin
Kỹ thuật ghi quang thay đổi pha đã phát triển rất nhanh trong vài năm qua. Các kỹ thuật ghi phức tạp hơn đang được nghiên cứu để áp dụng vào ghi thay đổi pha, bao gồm ghi nhiều mức và ghi nhiều lớp (H.D. Shieh et al, 2001; L. Shi et al, 2000; T. Akiyama et al, 2001). Chúng yêu cầu kiểm soát chính xác công suất laser và thời gian xung để đạt được hiệu suất đĩa tối ưu (ghi và xóa). Do đó, cần có sự ...... hiện toàn bộ
#Kết tinh #Ghi quang #Ghi đĩa #Vật liệu tinh thể #Vật liệu thay đổi pha #Tế bào dielectrics #Mô hình isothermal #Điều khiển tối ưu #Điều khiển quang #Hệ laser công suất
Improvement of the photo-polymer sheet for the multi-layer disk with the high NA objective lens and blue-violet laser
International Symposium on Optical Memory and Optical Data Storage Topical Meeting - - Trang 36-38
N. Shida, T. Higuchi, T. Iida
In ODS2000, we reported experimental results for the triple-layer disk using the photo-polymer (2P) sheet (N. Shida et al, ODS 2000 Tech. Dig., pp. 27-29, 2000). The subjects of the 2P sheet were the high transmittance, low variation of thickness and duplicate performance. Therefore, we developed a new 2P sheet which has sufficiently high transmittance of over 95% and sufficiently small thickness ...... hiện toàn bộ
#Lenses #Jitter #Apertures #Aluminum alloys #Research and development #Laboratories #Equalizers #Absorption #Reflectivity #Silver
Author index
International Symposium on Optical Memory and Optical Data Storage Topical Meeting - - Trang 441-442 - 2002
The author index contains an entry for each author and coauthor included in the proceedings record.
Theoretical estimation of defect management reliability
International Symposium on Optical Memory and Optical Data Storage Topical Meeting - - Trang 356-358
K. Tanaka, T. Nemoto, M. Jinwaki, T. Furukawa
Data integrity is one of the most important performance of the optical disk. Long Distance Code (LDC) is used in the optical disk conforms to ISO/IEC standard to correct the read data error. This article shows the LDC format of ISO/IEC IS15041 as an example. The sector size is 2048 bytes. There are 20 interleaved Reed Solomon codes whose minimum weight are 17. When there are errors which exceed pr...... hiện toàn bộ
#Estimation theory #Reliability theory #Upper bound #Probability #Reed-Solomon codes #ISO standards #IEC standards #Hamming distance #Error correction codes #Space exploration
Prediction of the characteristics for high-speed recording of phase-change optical media
International Symposium on Optical Memory and Optical Data Storage Topical Meeting - - Trang 171-173
Y. Nishi, T. Shintani, I. Kando, M. Terao
High-speed and high-density recording using blue laser appears to be the main stream for the next generation of phase-change optical disks. Sb-rich phase-change recording materials present one option as a medium for high-speed recording. We have estimated the crystal growth rate (CGR) of two variants of the GeSbTe recording material, for 100 Mbps recording (type 1) and Sb-rich material for 300 Mbp...... hiện toàn bộ
#Optical recording #High speed optical techniques #Amorphous materials #Disk recording #Crystalline materials #Optical materials #Laboratories #Writing #Personal communication networks #Cooling
Advance of dual-layer blue optical disk with (Ge,Sn)Te-Sb/sub 2/Te/sub 3/ memory films
International Symposium on Optical Memory and Optical Data Storage Topical Meeting - - Trang 404-406
N. Yamada, T. Nishihara, H. Kitaura, R. Kajima, N. Miyagawa, Y. Sakaue, K. Hisada, A. Nakamura, T. Akiyama, K. Nishiuchi
The requirements for dual layer optical disc from the view point of optical property were reviewed and practical approaches were demonstrated. It was experimentally confirmed that our new rewritable blue dual-layer optical disk with (Ge,Sn)Te-Sb/sub 2/Te/sub 3/ films shows high record-read performance for 50GB//spl phi/ 120mm capacity and a high data rate of 35Mbps with sufficient feasibility.
#Optical films #Tellurium #Dielectric films #Optical refraction #Optical variables control #Refractive index #Amorphous materials #Disk recording #Manufacturing processes #Cooling
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