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2000 Optical Data Storage. Conference Digest (Cat. No.00TH8491)最新文献

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10 Gbit/inch/sup 2/ MO-disk using blue laser 10gbit /inch/sup 2/ mo硬盘，采用蓝色激光
2000 Optical Data Storage. Conference Digest (Cat. No.00TH8491) Pub Date : 2000-05-14 DOI: 10.1109/ODS.2000.848017
K. Kawase, Y. Muto, N. Ando, M. Kanno
{"title":"10 Gbit/inch/sup 2/ MO-disk using blue laser","authors":"K. Kawase, Y. Muto, N. Ando, M. Kanno","doi":"10.1109/ODS.2000.848017","DOIUrl":"https://doi.org/10.1109/ODS.2000.848017","url":null,"abstract":"Development of blue LDs (laser diodes) enables us to achieve a high areal density with conventional MO media. We already reported the importance of thermal flow control of media. We also proposed the new disk structure suitable for a blue laser in this paper. We report the feasibility to achieve higher areal density (10 Gbit/inch/sup 2/) using the new disk structure, and land and groove recording technique. In order to suppress the cross talk from the adjacent tracks, we also use an optical phase shift method.","PeriodicalId":215485,"journal":{"name":"2000 Optical Data Storage. Conference Digest (Cat. No.00TH8491)","volume":"24 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2000-05-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123840250","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
EFMCC: A new combi-code for high density optical recording EFMCC:一种用于高密度光记录的新型组合码
2000 Optical Data Storage. Conference Digest (Cat. No.00TH8491) Pub Date : 2000-05-14 DOI: 10.1117/12.399364
W. Coene, E. Chuang
{"title":"EFMCC: A new combi-code for high density optical recording","authors":"W. Coene, E. Chuang","doi":"10.1117/12.399364","DOIUrl":"https://doi.org/10.1117/12.399364","url":null,"abstract":"A new rewritable optical disc system for digital video recording (DVR) was recently introduced, using a high numerical aperture and a blue laser. In this paper, a new d=2 runlength limited (RLL) channel code is presented for the ROM-counterpart of the DVR format. We report on combi-codes as a new coding concept for efficient byte-oriented DC-free channel codes, with guaranteed DC-control instead of stochastic control, and with a simple encoding scheme for look-ahead DC-control.","PeriodicalId":215485,"journal":{"name":"2000 Optical Data Storage. Conference Digest (Cat. No.00TH8491)","volume":"39 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2000-05-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"117201127","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 3
Photopolymer recording media for high density holographic data storage 用于高密度全息数据存储的光聚合物记录介质
2000 Optical Data Storage. Conference Digest (Cat. No.00TH8491) Pub Date : 2000-05-14 DOI: 10.1109/ODS.2000.848012
L. Dhar, A. Hale, K. Curtis, M. Schnoes, M. Tackitt, W. Wilson, A. Hill, M. Schilling, H. Katz, A. Olsen
{"title":"Photopolymer recording media for high density holographic data storage","authors":"L. Dhar, A. Hale, K. Curtis, M. Schnoes, M. Tackitt, W. Wilson, A. Hill, M. Schilling, H. Katz, A. Olsen","doi":"10.1109/ODS.2000.848012","DOIUrl":"https://doi.org/10.1109/ODS.2000.848012","url":null,"abstract":"To better meet the needs of holographic data storage, we designed a new type of polymer system that is composed of two independently polymerizable and compatible chemical systems: low refractive index matrix precursors and high refractive index photopolymerizable monomers. The matrix of our media is formed by an in-situ polymerization to yield a cross-linked network in the presence of the photopolymerizable monomers, which remain dissolved and unreacted. Holographic exposure polymerizes the photoactive monomer(s); the unreacted monomers diffuse through the matrix producing a modulation in the refractive index that is determined by the difference between the refractive indices of the monomer and matrix.","PeriodicalId":215485,"journal":{"name":"2000 Optical Data Storage. Conference Digest (Cat. No.00TH8491)","volume":"3 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2000-05-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127108635","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 10
Rewritable holographic memory card system 可重写全息记忆卡系统
2000 Optical Data Storage. Conference Digest (Cat. No.00TH8491) Pub Date : 2000-05-14 DOI: 10.1117/12.399357
E. Lőrincz, P. Koppa, F. Ujhelyi, P.I. Richter, G. Szarvas, G. Erdei, P. Ramanujam
{"title":"Rewritable holographic memory card system","authors":"E. Lőrincz, P. Koppa, F. Ujhelyi, P.I. Richter, G. Szarvas, G. Erdei, P. Ramanujam","doi":"10.1117/12.399357","DOIUrl":"https://doi.org/10.1117/12.399357","url":null,"abstract":"The new rewritable holographic memory card (HMC) of Optilink provides a novel solution for high density optical storage of personal data. In contrast to most holographic storage systems using highly multiplexed transmissive volume holograms in bulk materials, our approach is adapted to the card format using a polymer thin film holographic storage material, operating in reflection mode, allowing writing and reading to be accomplished from the same side of the card with a small optical head. This allows card drives with dimensions equal or smaller to common PC peripherals (e.g. CD drive). Such card can be potentially used wherever custom parameters of conventional cards (credit cards with magnetic strip, smart cards, security cards or LaserCards); i.e. storage capacity, reading and writing speed or data security are not adequate to the applications.","PeriodicalId":215485,"journal":{"name":"2000 Optical Data Storage. Conference Digest (Cat. No.00TH8491)","volume":"152 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2000-05-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115170327","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 12
Experimental and analytical characterization of the mechanical performance of disks 圆盘机械性能的实验和分析表征
2000 Optical Data Storage. Conference Digest (Cat. No.00TH8491) Pub Date : 2000-05-14 DOI: 10.1117/12.399370
S. Subramanian, R. Hariharan, B. Landa, T. P. Feist
{"title":"Experimental and analytical characterization of the mechanical performance of disks","authors":"S. Subramanian, R. Hariharan, B. Landa, T. P. Feist","doi":"10.1117/12.399370","DOIUrl":"https://doi.org/10.1117/12.399370","url":null,"abstract":"The present study is directed towards understanding and improving the mechanical performance of plastic substrates for optical disks under vibration loading. Finite element analysis was conducted to obtain transfer functions relating the properties of the disk material with the vibration performance. An experimental test setup was assembled to measure the vibration response of disks and validate the predictions of the analytical model.","PeriodicalId":215485,"journal":{"name":"2000 Optical Data Storage. Conference Digest (Cat. No.00TH8491)","volume":"66 6 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2000-05-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128301446","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 2
11 Gbit/in/sup 2/-magneto-optical recording using a CAD-MSR disk and a blue laser diode 11 Gbit/in/sup 2/-磁光记录，使用CAD-MSR磁盘和蓝色激光二极管
2000 Optical Data Storage. Conference Digest (Cat. No.00TH8491) Pub Date : 2000-05-14 DOI: 10.1117/12.399361
Y. Tanaka, M. Shinoda, K. Yamaguchi, Y. Maeda
{"title":"11 Gbit/in/sup 2/-magneto-optical recording using a CAD-MSR disk and a blue laser diode","authors":"Y. Tanaka, M. Shinoda, K. Yamaguchi, Y. Maeda","doi":"10.1117/12.399361","DOIUrl":"https://doi.org/10.1117/12.399361","url":null,"abstract":"We demonstrated that our new structured centre aperture detection magnetically induced super-resolution (CAD-MSR) optical disk is suitable for blue laser diode (BLD) compatability. We confirmed 11 Gbit/in/sup 2/ is practicable through the margin evaluations. This recording density is equivalent to 15 GB/120mm-diameter disks. Further improvement of our CAD-MSR disk is possible, so higher recording density can be expected.","PeriodicalId":215485,"journal":{"name":"2000 Optical Data Storage. Conference Digest (Cat. No.00TH8491)","volume":"124 13","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2000-05-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131879485","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 2
Effect of transition noise on turbo decoding for optical data storage 过渡噪声对光数据存储turbo译码的影响
2000 Optical Data Storage. Conference Digest (Cat. No.00TH8491) Pub Date : 2000-05-14 DOI: 10.1117/12.399365
H. Song, B. V. Vijaya Kumar
{"title":"Effect of transition noise on turbo decoding for optical data storage","authors":"H. Song, B. V. Vijaya Kumar","doi":"10.1117/12.399365","DOIUrl":"https://doi.org/10.1117/12.399365","url":null,"abstract":"We present the results of a simulation study of applying turbo decoding to optical data storage channel in the presence of transition noise. We use an optical recording channel model that captures the storage density effects, the effects of transition noise, the effects of finite equalizer lengths and the noise coloring caused by the equalizers. Our simulator uses the least mean squares (LMS) adaptive algorithm for the partial response (PR) equalizer design and thus captures the effect of a limited training set. We consider three iterative decoding architectures, three different partial response (PR) targets suitable for optical recording, two different precoders, and two different normalized recording densities.","PeriodicalId":215485,"journal":{"name":"2000 Optical Data Storage. Conference Digest (Cat. No.00TH8491)","volume":"44 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2000-05-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130959954","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 4
Crystallization of growth-dominant eutectic phase-change materials 生长优势共晶相变材料的结晶
2000 Optical Data Storage. Conference Digest (Cat. No.00TH8491) Pub Date : 2000-05-14 DOI: 10.1109/ODS.2000.847986
T. Hurst, M. Horie, P. Khulbe
{"title":"Crystallization of growth-dominant eutectic phase-change materials","authors":"T. Hurst, M. Horie, P. Khulbe","doi":"10.1109/ODS.2000.847986","DOIUrl":"https://doi.org/10.1109/ODS.2000.847986","url":null,"abstract":"We report on initial efforts to exploit the characteristics of members of the eutectic family Ge(Sb/sub 70/Te/sub 30/)+Sb (hereafter referred to as \"SGT films\"). SGT films are doped with excess Sb for crystallization speed control. Ge/sub 2/Sb/sub 2.3/Te/sub 5/ (GST) films are usually nucleation-dominant in their crystallization behavior: crystallization proceeds mainly via the generation of \"embryos,\" which if sufficiently large, form stable nucleites, which then grow from the interior and edge of amorphous-phase regions. In contrast, SGT films have low nucleation probability. As a consequence, crystallization proceeds primarily from the amorphous mark boundaries. Understanding and comparing this growth-dominant crystallization mode for various instances of the SGT films, and and comparing with nucleation-dominant GST films, is the objective of the work.","PeriodicalId":215485,"journal":{"name":"2000 Optical Data Storage. Conference Digest (Cat. No.00TH8491)","volume":"87 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2000-05-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114203959","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 4
Near-field phase-change recording using a GaN laser diode 氮化镓激光二极管近场相变记录
2000 Optical Data Storage. Conference Digest (Cat. No.00TH8491) Pub Date : 2000-05-14 DOI: 10.1117/12.399331
K. Kishima, K. Yamamoto, K. Osato, Y. Kuroda, A. Iida, K. Saito
{"title":"Near-field phase-change recording using a GaN laser diode","authors":"K. Kishima, K. Yamamoto, K. Osato, Y. Kuroda, A. Iida, K. Saito","doi":"10.1117/12.399331","DOIUrl":"https://doi.org/10.1117/12.399331","url":null,"abstract":"We demonstrated near-field recording with the combination of a GaN laser diode and a 1.5 NA objective lens. The realized linear bit density was less than 90 nm (corresponding to the areal recording density over 40 Gbit/in/sup 2/) regardless of using a small 1.0 mm-diameter super-hemispherical solid immersion lens (SIL). Further improvement of a near-field phase-change optical disk will enable a linear bit density of 80 nm or less. In this talk we shall also report the fabrication process of the plateau, and of the electrode on the SIL.","PeriodicalId":215485,"journal":{"name":"2000 Optical Data Storage. Conference Digest (Cat. No.00TH8491)","volume":"16 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2000-05-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127956722","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 8
Simulation on phase change mark forming process and read out signal characteristics 相变标记形成过程及读出信号特性的仿真
2000 Optical Data Storage. Conference Digest (Cat. No.00TH8491) Pub Date : 2000-05-14 DOI: 10.1109/ODS.2000.847977
W. Kando, Y. Nishi, M. Terao, T. Maeda, M. Miyamoto, A. Hirotsune, J. Ushiyama
{"title":"Simulation on phase change mark forming process and read out signal characteristics","authors":"W. Kando, Y. Nishi, M. Terao, T. Maeda, M. Miyamoto, A. Hirotsune, J. Ushiyama","doi":"10.1109/ODS.2000.847977","DOIUrl":"https://doi.org/10.1109/ODS.2000.847977","url":null,"abstract":"To obtain high bit density on a phase change optical disc, it is essential to understand what are the dominant physical effects to record marks on PC media. Computer simulation is one of the most convenient methods to consider an appropriate physical model of such a mark forming process. The authors have studied computer simulation of phase change mark forming processes. Our next step is to simulate the read out signal characteristics from the written mark, and this theme is described in this paper.","PeriodicalId":215485,"journal":{"name":"2000 Optical Data Storage. Conference Digest (Cat. No.00TH8491)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2000-05-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130408013","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
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