JP2005128479A - ホログラフィック記録媒体用角度多重化装置 - Google Patents
ホログラフィック記録媒体用角度多重化装置 Download PDFInfo
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- JP2005128479A JP2005128479A JP2004100882A JP2004100882A JP2005128479A JP 2005128479 A JP2005128479 A JP 2005128479A JP 2004100882 A JP2004100882 A JP 2004100882A JP 2004100882 A JP2004100882 A JP 2004100882A JP 2005128479 A JP2005128479 A JP 2005128479A
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- 230000001172 regenerating effect Effects 0.000 claims 2
- 230000033458 reproduction Effects 0.000 description 29
- 238000010586 diagram Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000013178 mathematical model Methods 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
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- G—PHYSICS
- G11—INFORMATION STORAGE
- G11C—STATIC STORES
- G11C13/00—Digital stores characterised by the use of storage elements not covered by groups G11C11/00, G11C23/00, or G11C25/00
- G11C13/04—Digital stores characterised by the use of storage elements not covered by groups G11C11/00, G11C23/00, or G11C25/00 using optical elements ; using other beam accessed elements, e.g. electron or ion beam
- G11C13/042—Digital stores characterised by the use of storage elements not covered by groups G11C11/00, G11C23/00, or G11C25/00 using optical elements ; using other beam accessed elements, e.g. electron or ion beam using information stored in the form of interference pattern
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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
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B26/00—Optical devices or arrangements for the control of light using movable or deformable optical elements
- G02B26/08—Optical devices or arrangements for the control of light using movable or deformable optical elements for controlling the direction of light
- G02B26/0816—Optical devices or arrangements for the control of light using movable or deformable optical elements for controlling the direction of light by means of one or more reflecting elements
-
- 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
-
- 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
- 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
- G11B7/12—Heads, e.g. forming of the optical beam spot or modulation of the optical beam
- G11B7/135—Means for guiding the beam from the source to the record carrier or from the record carrier to the detector
- G11B7/1362—Mirrors
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Holo Graphy (AREA)
- Optical Recording Or Reproduction (AREA)
- Optical Head (AREA)
Abstract
【解決手段】 多数の位置に平行に移動し、前記多数の位置で、互いに平行に進行する多数の再生用参照ビームを生成する再生用参照ビーム生成手段と、前記多数の再生用参照ビームをそれぞれ反射させることにより、前記ホログラフィック記録媒体の再生位置に収斂する多数の反射ビームを生成するための多数の反射面を有するミラーアレイとを含む。
【選択図】 図2
Description
22−1 ミラー
23−1 レンズ
25 ミラーアレイ
28 ホログラフィック記録媒体
29 検出器
Claims (7)
- ホログラフィック記録媒体の角度多重化装置であって、
多数の位置に平行に移動し、前記多数の位置で、互いに平行に進行する多数の再生用参照ビームを生成する再生用参照ビーム生成手段と、
前記多数の再生用参照ビームをそれぞれ反射させることにより、前記ホログラフィック記録媒体の再生位置に収斂する多数の反射ビームを生成するための多数の反射面を有するミラーアレイとを含むことを特徴とするホログラフィック記録媒体の角度多重化装置。 - 前記再生用参照ビーム生成手段は、平面波参照ビームを球面波参照ビームに変換する手段を含み、
前記多数の再生用参照ビームはそれぞれ前記球面波参照ビームであることを特徴とする請求項1に記載のホログラフィック記録媒体の角度多重化装置。 - 前記手段がレンズであることを特徴とする請求項2に記載のホログラフィック記録媒体の角度多重化装置。
- 前記レンズから前記再生位置までの前記球面波参照ビームの入射経路が前記レンズの焦点距離に相当することを特徴とする請求項3に記載のホログラフィック記録媒体の角度多重化装置。
- 前記レンズが前記交差点に位置する場合、前記定数cは前記レンズの焦点距離であることを特徴とする請求項5に記載のホログラフィック記録媒体の角度多重化装置。
- 前記多数の再生用参照ビームの経路は前記再生用参照ビーム生成手段の平行移動方法に垂直であることを特徴とする請求項1に記載のホログラフィック記録媒体の角度多重化装置。
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020030073731A KR100569396B1 (ko) | 2003-10-22 | 2003-10-22 | 홀로그래픽 메모리의 각도 다중화 장치 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2005128479A true JP2005128479A (ja) | 2005-05-19 |
JP4060816B2 JP4060816B2 (ja) | 2008-03-12 |
Family
ID=34386797
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2004100882A Expired - Fee Related JP4060816B2 (ja) | 2003-10-22 | 2004-03-30 | ホログラフィック記録媒体用角度多重化装置 |
Country Status (6)
Country | Link |
---|---|
US (1) | US7081977B2 (ja) |
EP (1) | EP1526545B1 (ja) |
JP (1) | JP4060816B2 (ja) |
KR (1) | KR100569396B1 (ja) |
CN (1) | CN1332385C (ja) |
DE (1) | DE602004004970T2 (ja) |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2005332429A (ja) * | 2004-05-18 | 2005-12-02 | Alps Electric Co Ltd | ホログラム再生装置 |
CN100456365C (zh) * | 2005-05-11 | 2009-01-28 | 索尼株式会社 | 全息再现方法以及全息再现设备 |
WO2007094042A1 (ja) * | 2006-02-14 | 2007-08-23 | Fujitsu Limited | ホログラム記録装置 |
KR100738974B1 (ko) * | 2006-03-03 | 2007-07-13 | 주식회사 대우일렉트로닉스 | 광정보 기록장치, 광정보 재생장치 및 광정보 처리방법 |
CN101473280A (zh) * | 2006-06-28 | 2009-07-01 | 富士通株式会社 | 全息记录装置以及全息记录方法 |
JP4207997B2 (ja) * | 2006-07-21 | 2009-01-14 | ソニー株式会社 | 複製ホログラム記録媒体の製造方法、複製用原盤の製造装置、複製ホログラム記録媒体の製造装置および複製用原盤 |
US8049885B1 (en) * | 2008-05-15 | 2011-11-01 | Ondax, Inc. | Method and apparatus for large spectral coverage measurement of volume holographic gratings |
US7986407B2 (en) | 2008-08-04 | 2011-07-26 | Ondax, Inc. | Method and apparatus using volume holographic wavelength blockers |
US8369017B2 (en) * | 2008-10-27 | 2013-02-05 | Ondax, Inc. | Optical pulse shaping method and apparatus |
US9599565B1 (en) | 2013-10-02 | 2017-03-21 | Ondax, Inc. | Identification and analysis of materials and molecular structures |
JP2015103265A (ja) * | 2013-11-27 | 2015-06-04 | 株式会社日立エルジーデータストレージ | 光情報記録再生装置および光情報記録再生方法 |
CN109219934B (zh) * | 2015-08-07 | 2020-09-08 | 约翰内斯堡威特沃特斯兰德大学 | 光通信方法和系统 |
US9587983B1 (en) | 2015-09-21 | 2017-03-07 | Ondax, Inc. | Thermally compensated optical probe |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5753719A (en) | 1980-09-16 | 1982-03-30 | Mitsubishi Electric Corp | Image formation device |
US4636027A (en) | 1985-05-06 | 1987-01-13 | International Business Machines Corporation | Holographic image processing systems |
US5436867A (en) | 1993-03-08 | 1995-07-25 | Northrop Grumman Corporation | Holographic random access memory |
WO1995012149A1 (en) | 1993-10-25 | 1995-05-04 | Dimensional Arts, Inc. | System for making a hologram |
US5550779A (en) * | 1994-10-20 | 1996-08-27 | California Institute Of Technology | Holographic memory with angle, spatial and out-of-plane multiplexing |
CN1060578C (zh) * | 1996-03-06 | 2001-01-10 | 北京工业大学 | 盘式三维全息存储的方法及其光学系统 |
US5777760A (en) * | 1996-05-10 | 1998-07-07 | Quantum Corporation | Position feedback system for volume holographic storage media |
JPH10206885A (ja) | 1997-01-21 | 1998-08-07 | Fuji Xerox Co Ltd | 光記録装置 |
US6101161A (en) * | 1997-05-29 | 2000-08-08 | Daewoo Electronics Co., Ltd. | Volume holographic data storage system incorporating therein a cylindrical storage medium |
TW376514B (en) * | 1997-06-24 | 1999-12-11 | Lucent Technologies Inc | System and method for steering Fresnel region data using cylindrical coordinates to access data locations in a holographic memory |
US6061154A (en) | 1997-06-24 | 2000-05-09 | Lucent Technologies, Inc. | System and method for steering focal plane data to access data locations in a holographic memory |
US5859808A (en) * | 1997-06-24 | 1999-01-12 | Lucent Technologies Inc. | System and method for steering fresnel region data to access data locations in a holographic memory |
KR100269365B1 (ko) | 1997-12-01 | 2000-10-16 | 구자홍 | 홀로그래픽저장장치 |
KR100336412B1 (ko) | 1999-09-30 | 2002-05-23 | 김영창 | 전기기관차용 전기연결구조 |
AU2002359513A1 (en) * | 2001-11-26 | 2003-06-30 | Access Optical Networks, Inc. | Method and apparatus for providing optical network interface using optical memory storage |
-
2003
- 2003-10-22 KR KR1020030073731A patent/KR100569396B1/ko not_active IP Right Cessation
-
2004
- 2004-03-30 JP JP2004100882A patent/JP4060816B2/ja not_active Expired - Fee Related
- 2004-05-18 US US10/847,396 patent/US7081977B2/en not_active Expired - Fee Related
- 2004-05-19 DE DE602004004970T patent/DE602004004970T2/de not_active Expired - Lifetime
- 2004-05-19 EP EP04011929A patent/EP1526545B1/en not_active Expired - Fee Related
- 2004-06-02 CN CNB2004100473711A patent/CN1332385C/zh not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
CN1332385C (zh) | 2007-08-15 |
KR100569396B1 (ko) | 2006-04-07 |
US20050088713A1 (en) | 2005-04-28 |
CN1609970A (zh) | 2005-04-27 |
DE602004004970T2 (de) | 2007-06-14 |
KR20050038395A (ko) | 2005-04-27 |
JP4060816B2 (ja) | 2008-03-12 |
US7081977B2 (en) | 2006-07-25 |
EP1526545B1 (en) | 2007-02-28 |
EP1526545A1 (en) | 2005-04-27 |
DE602004004970D1 (de) | 2007-04-12 |
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