KR100786789B1 - 각도 다중화 방법을 사용하는 공선 방식의 홀로그래픽데이터 저장장치 - Google Patents
각도 다중화 방법을 사용하는 공선 방식의 홀로그래픽데이터 저장장치 Download PDFInfo
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- KR100786789B1 KR100786789B1 KR1020060032915A KR20060032915A KR100786789B1 KR 100786789 B1 KR100786789 B1 KR 100786789B1 KR 1020060032915 A KR1020060032915 A KR 1020060032915A KR 20060032915 A KR20060032915 A KR 20060032915A KR 100786789 B1 KR100786789 B1 KR 100786789B1
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- collinear
- holographic
- data storage
- storage device
- holographic data
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- 238000000034 method Methods 0.000 title claims abstract description 48
- 238000013500 data storage Methods 0.000 title claims abstract description 14
- 230000003287 optical effect Effects 0.000 abstract description 11
- 238000005516 engineering process Methods 0.000 description 7
- 230000008569 process Effects 0.000 description 5
- 238000001093 holography Methods 0.000 description 4
- 230000010287 polarization Effects 0.000 description 4
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- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
- G11B7/004—Recording, reproducing or erasing methods; Read, write or erase circuits therefor
- G11B7/0065—Recording, reproducing or erasing by using optical interference patterns, e.g. holograms
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03H—HOLOGRAPHIC PROCESSES OR APPARATUS
- G03H1/00—Holographic processes or apparatus using light, infrared or ultraviolet waves for obtaining holograms or for obtaining an image from them; Details peculiar thereto
- G03H1/26—Processes or apparatus specially adapted to produce multiple sub- holograms or to obtain images from them, e.g. multicolour technique
- G03H1/2645—Multiplexing processes, e.g. aperture, shift, or wavefront multiplexing
- G03H1/265—Angle multiplexing; Multichannel holograms
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- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
- G11B7/004—Recording, reproducing or erasing methods; Read, write or erase circuits therefor
- G11B7/0065—Recording, reproducing or erasing by using optical interference patterns, e.g. holograms
- G11B2007/00653—Collinear holography
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- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B2220/00—Record carriers by type
- G11B2220/20—Disc-shaped record carriers
- G11B2220/25—Disc-shaped record carriers characterised in that the disc is based on a specific recording technology
- G11B2220/2537—Optical discs
- G11B2220/2562—DVDs [digital versatile discs]; Digital video discs; MMCDs; HDCDs
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optical Recording Or Reproduction (AREA)
- Holo Graphy (AREA)
Abstract
Description
Claims (3)
- 공선 방식을 이용하는 홀로그래픽 데이터 저장장치에 있어서,기준광을 영역별로 분할하여 제어하는 것을 특징으로 하는 각도 다중화 방법을 이용하는 공선 방식의 홀로그래픽 데이터 저장장치.
- 제 1항에 있어서, 상기 영역별로 분할된 기준광은 원형의 띠로 형성되고, 다수개의 구획으로 분할되는 것을 특징으로 하는 각도 다중화 방법을 이용하는 공선 방식의 홀로그래픽 데이터 저장장치.
- 제 1항에 있어서, 상기 영역별로 분할된 기준광은 사각형의 띠로 형성되고, 다수개의 구획으로 분할되는 것을 특징으로 하는 각도 다중화 방법을 이용하는 공선 방식의 홀로그래픽 데이터 저장장치.
Priority Applications (1)
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KR1020060032915A KR100786789B1 (ko) | 2006-04-11 | 2006-04-11 | 각도 다중화 방법을 사용하는 공선 방식의 홀로그래픽데이터 저장장치 |
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KR1020060032915A KR100786789B1 (ko) | 2006-04-11 | 2006-04-11 | 각도 다중화 방법을 사용하는 공선 방식의 홀로그래픽데이터 저장장치 |
Publications (2)
Publication Number | Publication Date |
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KR20070101645A KR20070101645A (ko) | 2007-10-17 |
KR100786789B1 true KR100786789B1 (ko) | 2007-12-18 |
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KR1020060032915A KR100786789B1 (ko) | 2006-04-11 | 2006-04-11 | 각도 다중화 방법을 사용하는 공선 방식의 홀로그래픽데이터 저장장치 |
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Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2004139711A (ja) * | 2002-10-16 | 2004-05-13 | Optware:Kk | 光情報記録装置および光情報再生装置 |
JP2005292687A (ja) * | 2004-04-05 | 2005-10-20 | Sony Corp | インライン方式スペックル多重ホログラム装置及びインライン方式スペックル多重ホログラム方法 |
KR20050116272A (ko) * | 2004-06-07 | 2005-12-12 | 삼성전기주식회사 | 비트 단위로 저장하기 위한 광기록 장치 |
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- 2006-04-11 KR KR1020060032915A patent/KR100786789B1/ko not_active IP Right Cessation
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2004139711A (ja) * | 2002-10-16 | 2004-05-13 | Optware:Kk | 光情報記録装置および光情報再生装置 |
JP2005292687A (ja) * | 2004-04-05 | 2005-10-20 | Sony Corp | インライン方式スペックル多重ホログラム装置及びインライン方式スペックル多重ホログラム方法 |
KR20050116272A (ko) * | 2004-06-07 | 2005-12-12 | 삼성전기주식회사 | 비트 단위로 저장하기 위한 광기록 장치 |
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KR20070101645A (ko) | 2007-10-17 |
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