Femtosecond laser application for high capacity optical data storage
A femtosecond (fs) laser application for multi-layer optical recording is investigated. Information patterns at different layer depths were written inside a transparent glass substrate due to micro-void formation by fs laser ablation, which causes re-distribution in glass materials and a refractive...
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| Veröffentlicht in: | Applied physics. A, Materials science & processing Materials science & processing, 2004-09, Vol.79 (4-6), p.791-794 |
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| container_end_page | 794 |
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| container_issue | 4-6 |
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| container_title | Applied physics. A, Materials science & processing |
| container_volume | 79 |
| creator | HONG, M. H LUK'YANCHUK, B HUANG, S. M ONG, T. S VAN, L. H CHONG, T. C |
| description | A femtosecond (fs) laser application for multi-layer optical recording is investigated. Information patterns at different layer depths were written inside a transparent glass substrate due to micro-void formation by fs laser ablation, which causes re-distribution in glass materials and a refractive index modification. The information bits recorded in a single layer can be retrieved clearly without interference from the neighboring layers. A fs laser irradiation of a transparent polymer matrix (doped with fluorescent materials for use as low-cost recording media) is also studied. A fs laser induced photo-chemical reaction changes the chemical properties of the fluorescent materials and records information bits inside the matrix. With an ultra-fast laser as a new light source, 3D optical recording can be available for high capacity data storage up to 1 TB per disc. |
| doi_str_mv | 10.1007/s00339-004-2630-1 |
| format | Article |
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A fs laser induced photo-chemical reaction changes the chemical properties of the fluorescent materials and records information bits inside the matrix. With an ultra-fast laser as a new light source, 3D optical recording can be available for high capacity data storage up to 1 TB per disc.</description><subject>Applied sciences</subject><subject>Data storage</subject><subject>Disks</subject><subject>Electronics</subject><subject>Exact sciences and technology</subject><subject>Femtosecond</subject><subject>Glass</subject><subject>Laser applications</subject><subject>Lasers</subject><subject>Magnetic and optical mass memories</subject><subject>Recording</subject><subject>Storage and reproduction of information</subject><subject>Three dimensional</subject><issn>0947-8396</issn><issn>1432-0630</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2004</creationdate><recordtype>article</recordtype><recordid>eNpFkE1LAzEQhoMoWKs_wFsugpdovjabHKVaFQpe9Bxmp9l2ZbtZk_TQf--WCs5lGGaeF-Yh5FbwB8F5_Zg5V8oxzjWTRnEmzshMaCUZn6ZzMuNO18wqZy7JVc7ffCot5Yw8L8OuxBwwDmvaQw6Jwjj2HULp4kDbmOi222wpwgjYlQONY5mWPV1DAZpLTLAJ1-SihT6Hm78-J1_Ll8_FG1t9vL4vnlYMVS0La5wKvHEBDNjaGasRta5wzW0DCNYGtBiqtgnKWSll02hRaaMcQAMqoFZzcn_KHVP82Ydc_K7LGPoehhD32QtplanNEZoTcTrFFHNOofVj6naQDl5wfzTmT8b85MEfjXkxMXd_8ZCnF9sEA3b5HzRcVEJb9QtprGwB</recordid><startdate>20040901</startdate><enddate>20040901</enddate><creator>HONG, M. 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| identifier | ISSN: 0947-8396 |
| ispartof | Applied physics. A, Materials science & processing, 2004-09, Vol.79 (4-6), p.791-794 |
| issn | 0947-8396 1432-0630 |
| language | eng |
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| source | SpringerLink Journals - AutoHoldings |
| subjects | Applied sciences Data storage Disks Electronics Exact sciences and technology Femtosecond Glass Laser applications Lasers Magnetic and optical mass memories Recording Storage and reproduction of information Three dimensional |
| title | Femtosecond laser application for high capacity optical data storage |
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