DE602009000590D1 - Holografisches Speichersystem mit reduziertem Rauschen - Google Patents

Holografisches Speichersystem mit reduziertem Rauschen

Info

Publication number
DE602009000590D1
DE602009000590D1 DE602009000590T DE602009000590T DE602009000590D1 DE 602009000590 D1 DE602009000590 D1 DE 602009000590D1 DE 602009000590 T DE602009000590 T DE 602009000590T DE 602009000590 T DE602009000590 T DE 602009000590T DE 602009000590 D1 DE602009000590 D1 DE 602009000590D1
Authority
DE
Germany
Prior art keywords
object beam
reference beams
holographic storage
memory system
reduced noise
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
DE602009000590T
Other languages
English (en)
Inventor
Gabor Szarvas
Szabolcs Kautny
Krisztian Banko
Zoltan Karpati
Original Assignee
Thomson Licensing SAS
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Thomson Licensing SAS filed Critical Thomson Licensing SAS
Publication of DE602009000590D1 publication Critical patent/DE602009000590D1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • 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
    • 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
    • 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
    • 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
    • G03H1/04—Processes or apparatus for producing holograms
    • G03H1/0402—Recording geometries or arrangements
    • G03H2001/0413—Recording geometries or arrangements for recording transmission holograms
    • 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
    • G03H1/04—Processes or apparatus for producing holograms
    • G03H1/0402—Recording geometries or arrangements
    • G03H2001/0428—Image holography, i.e. an image of the object or holobject is recorded
    • 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
    • G03H1/22—Processes or apparatus for obtaining an optical image from holograms
    • G03H1/2202—Reconstruction geometries or arrangements
    • G03H2001/2223—Particular relationship between light source, hologram and observer
    • G03H2001/2231—Reflection reconstruction

Landscapes

  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Optical Recording Or Reproduction (AREA)
  • Holo Graphy (AREA)
  • Optical Head (AREA)
DE602009000590T 2008-04-17 2009-04-08 Holografisches Speichersystem mit reduziertem Rauschen Active DE602009000590D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP08154708A EP2110809A1 (de) 2008-04-17 2008-04-17 Holografisches Speichersystem mit reduziertem Rauschen

Publications (1)

Publication Number Publication Date
DE602009000590D1 true DE602009000590D1 (de) 2011-03-03

Family

ID=39744876

Family Applications (1)

Application Number Title Priority Date Filing Date
DE602009000590T Active DE602009000590D1 (de) 2008-04-17 2009-04-08 Holografisches Speichersystem mit reduziertem Rauschen

Country Status (6)

Country Link
US (1) US8068263B2 (de)
EP (2) EP2110809A1 (de)
JP (1) JP2009259386A (de)
CN (1) CN101562020B (de)
AT (1) ATE496368T1 (de)
DE (1) DE602009000590D1 (de)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7835048B2 (en) * 2006-10-13 2010-11-16 Thomson Licensing Holographic storage system with multiple reference beams
US8519298B2 (en) * 2010-03-25 2013-08-27 Veeco Instruments, Inc. Split laser scribe
RU167474U1 (ru) * 2016-07-06 2017-01-10 федеральное государственное бюджетное образовательное учреждение высшего образования "Московский государственный технический университет имени Н.Э. Баумана" (национальный исследовательский университет)" (МГТУ им. Н.Э. Баумана) Устройство считывания мультиплексных одномерных компьютерно-синтезированных голограмм Фурье в системе оптико-голографической памяти
CN109581849B (zh) * 2019-01-04 2020-10-16 中国工程物理研究院激光聚变研究中心 一种同轴全息重建方法及***

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6147782A (en) * 1998-05-01 2000-11-14 Siros Technologies, Inc. Positive unit magnification reflective optics for holographic storage
KR100477359B1 (ko) * 2003-04-30 2005-03-22 주식회사 대우일렉트로닉스 홀로그래픽 롬 시스템
HUP0401338A2 (en) 2004-06-29 2006-02-28 Optimal Optik Kft Optical mead and multiplexing methods for reflection type holographic storage
JP2007101608A (ja) * 2005-09-30 2007-04-19 Sony Corp ホログラム記録再生装置およびホログラム再生装置
EP1912212A1 (de) * 2006-10-13 2008-04-16 Thomson Holding Germany GmbH & Co. OHG Vorrichtung zum kolinearen Lesen von und/oder Schreiben auf holografischen Speichermedien
US7835048B2 (en) * 2006-10-13 2010-11-16 Thomson Licensing Holographic storage system with multiple reference beams

Also Published As

Publication number Publication date
CN101562020A (zh) 2009-10-21
EP2110809A1 (de) 2009-10-21
EP2110810A1 (de) 2009-10-21
CN101562020B (zh) 2012-09-26
EP2110810B1 (de) 2011-01-19
US20090262405A1 (en) 2009-10-22
ATE496368T1 (de) 2011-02-15
JP2009259386A (ja) 2009-11-05
US8068263B2 (en) 2011-11-29

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Legal Events

Date Code Title Description
8320 Willingness to grant licences declared (paragraph 23)