DE60006288D1 - Photorefraktives holographisches aufzeichnungsmedium - Google Patents

Photorefraktives holographisches aufzeichnungsmedium

Info

Publication number
DE60006288D1
DE60006288D1 DE60006288T DE60006288T DE60006288D1 DE 60006288 D1 DE60006288 D1 DE 60006288D1 DE 60006288 T DE60006288 T DE 60006288T DE 60006288 T DE60006288 T DE 60006288T DE 60006288 D1 DE60006288 D1 DE 60006288D1
Authority
DE
Germany
Prior art keywords
recording medium
holographic recording
host material
transition temperature
photorefactive
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.)
Expired - Lifetime
Application number
DE60006288T
Other languages
English (en)
Inventor
Stephen Elliott
Pavel Krecmer
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Polight Technologies Ltd Great Britain
Original Assignee
Polight Technologies Ltd Great Britain
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 Polight Technologies Ltd Great Britain filed Critical Polight Technologies Ltd Great Britain
Application granted granted Critical
Publication of DE60006288D1 publication Critical patent/DE60006288D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • 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
    • G03H1/02—Details of features involved during the holographic process; Replication of holograms without interference recording
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03C—PHOTOSENSITIVE MATERIALS FOR PHOTOGRAPHIC PURPOSES; PHOTOGRAPHIC PROCESSES, e.g. CINE, X-RAY, COLOUR, STEREO-PHOTOGRAPHIC PROCESSES; AUXILIARY PROCESSES IN PHOTOGRAPHY
    • G03C1/00—Photosensitive materials
    • G03C1/705—Compositions containing chalcogenides, metals or alloys thereof, as photosensitive substances, e.g. photodope systems
    • 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
    • G11B7/125—Optical beam sources therefor, e.g. laser control circuitry specially adapted for optical storage devices; Modulators, e.g. means for controlling the size or intensity of optical spots or optical traces
    • G11B7/127—Lasers; Multiple laser arrays
    • 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
    • G11B7/24—Record carriers characterised by shape, structure or physical properties, or by the selection of the material
    • G11B7/2403—Layers; Shape, structure or physical properties thereof
    • G11B7/24035—Recording layers
    • G11B7/24044—Recording layers for storing optical interference patterns, e.g. holograms; for storing data in three dimensions, e.g. volume storage
    • 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
    • G11B7/24—Record carriers characterised by shape, structure or physical properties, or by the selection of the material
    • G11B7/241—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material
    • G11B7/242—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of recording layers
    • G11B7/243—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of recording layers comprising inorganic materials only, e.g. ablative layers
    • 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
    • G03H1/02—Details of features involved during the holographic process; Replication of holograms without interference recording
    • G03H2001/0208—Individual components other than the hologram
    • G03H2001/0212—Light sources or light beam properties
    • 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
    • G03H1/02—Details of features involved during the holographic process; Replication of holograms without interference recording
    • G03H2001/026—Recording materials or recording processes
    • 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
    • G03H1/02—Details of features involved during the holographic process; Replication of holograms without interference recording
    • G03H2001/026—Recording materials or recording processes
    • G03H2001/0268—Inorganic recording material, e.g. photorefractive crystal [PRC]
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03H—HOLOGRAPHIC PROCESSES OR APPARATUS
    • G03H2240/00—Hologram nature or properties
    • G03H2240/50—Parameters or numerical values associated with holography, e.g. peel strength
    • G03H2240/54—Refractive index
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03H—HOLOGRAPHIC PROCESSES OR APPARATUS
    • G03H2260/00—Recording materials or recording processes
    • G03H2260/50—Reactivity or recording processes
    • G03H2260/51—Photoanisotropic reactivity wherein polarized light induces material birefringence, e.g. azo-dye doped polymer
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03H—HOLOGRAPHIC PROCESSES OR APPARATUS
    • G03H2260/00—Recording materials or recording processes
    • G03H2260/50—Reactivity or recording processes
    • G03H2260/54—Photorefractive reactivity wherein light induces photo-generation, redistribution and trapping of charges then a modification of refractive index, e.g. photorefractive polymer
    • 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
    • G11B7/24—Record carriers characterised by shape, structure or physical properties, or by the selection of the material
    • G11B7/241—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material
    • G11B7/242—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of recording layers
    • G11B7/243—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of recording layers comprising inorganic materials only, e.g. ablative layers
    • G11B2007/24302—Metals or metalloids
    • G11B2007/24316—Metals or metalloids group 16 elements (i.e. chalcogenides, Se, Te)
    • 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
    • G11B7/24—Record carriers characterised by shape, structure or physical properties, or by the selection of the material
    • G11B7/241—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material
    • G11B7/242—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of recording layers
    • G11B7/243—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of recording layers comprising inorganic materials only, e.g. ablative layers
    • G11B2007/24318—Non-metallic elements
    • G11B2007/24324—Sulfur
    • 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
    • G11B2220/21—Disc-shaped record carriers characterised in that the disc is of read-only, rewritable, or recordable type
    • G11B2220/215—Recordable discs
    • G11B2220/216—Rewritable discs

Landscapes

  • Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Inorganic Chemistry (AREA)
  • Optics & Photonics (AREA)
  • Metallurgy (AREA)
  • Materials Engineering (AREA)
  • Holo Graphy (AREA)
  • Optical Recording Or Reproduction (AREA)
DE60006288T 1999-12-17 2000-12-15 Photorefraktives holographisches aufzeichnungsmedium Expired - Lifetime DE60006288D1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GBGB9929953.9A GB9929953D0 (en) 1999-12-17 1999-12-17 Holographic recording medium,and method of forming thereof,utilizing linearly polarized light
PCT/GB2000/004833 WO2001045111A1 (en) 1999-12-17 2000-12-15 Photorefractive holographic recording media

Publications (1)

Publication Number Publication Date
DE60006288D1 true DE60006288D1 (de) 2003-12-04

Family

ID=10866585

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60006288T Expired - Lifetime DE60006288D1 (de) 1999-12-17 2000-12-15 Photorefraktives holographisches aufzeichnungsmedium

Country Status (13)

Country Link
US (1) US20020192566A1 (de)
EP (1) EP1242997B1 (de)
JP (1) JP2003517161A (de)
KR (1) KR20020064937A (de)
CN (1) CN1409861A (de)
AT (1) ATE253252T1 (de)
AU (1) AU2199501A (de)
CA (1) CA2394541A1 (de)
DE (1) DE60006288D1 (de)
GB (1) GB9929953D0 (de)
IL (1) IL149787A0 (de)
TW (1) TW556171B (de)
WO (1) WO2001045111A1 (de)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20030064293A1 (en) * 2001-09-07 2003-04-03 Polight Technologies Ltd. Holographic recording medium
AU2002343084A1 (en) * 2001-12-03 2003-06-17 Polight Technologies Ltd. Holographic recording medium
US7507504B2 (en) 2002-02-15 2009-03-24 University Of Massachusetts Optical storage system
US20040242841A1 (en) * 2003-03-18 2004-12-02 Cammack J. Kevin Methods for extending amorphous photorefractive material lifetimes
WO2006044983A2 (en) * 2004-10-20 2006-04-27 Massachusetts Institute Of Technology Multi-spectral pixel and focal plane array
US20080254372A1 (en) * 2007-04-13 2008-10-16 Canyon Materials, Inc. PDR and PBR glasses for holographic data storage and/or computer generated holograms
WO2010148281A2 (en) * 2009-06-18 2010-12-23 Cadet, Gardy Method and apparatus for bulk erasure in a holographic storage system
US8531747B2 (en) * 2009-06-24 2013-09-10 Canon Kabushiki Kaisha Hologram, hologram data generation method, and exposure apparatus
GB201004633D0 (en) * 2010-03-19 2010-05-05 Isis Innovation Memory materials and their use
KR102176583B1 (ko) 2013-12-09 2020-11-09 삼성전자주식회사 홀로그래피 3차원 영상 표시 장치 및 방법
KR102244648B1 (ko) * 2017-12-08 2021-04-26 주식회사 엘지화학 포토폴리머 조성물
JP2019114316A (ja) * 2017-12-25 2019-07-11 学校法人東京理科大学 ホログラフィック記録装置、ホログラフィック読み出し装置、ホログラフィック記録方法、およびホログラフィック読み出し方法

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3594167A (en) * 1968-04-16 1971-07-20 Bell Telephone Labor Inc Method of preparing hologram using glasseous recording medium
US3825317A (en) * 1971-07-28 1974-07-23 Canon Kk Application of a novel photosensitive member to hologram
US3843394A (en) * 1971-10-11 1974-10-22 Canon Kk Photosensitive member
SU775761A1 (ru) * 1978-06-27 1980-10-30 Ужгородский Государственный Университет Способ получени изображени
CA1211868A (en) * 1982-04-16 1986-09-23 Yoshikazu Nishiwaki Method of forming diffraction gratings and optical branching filter elements produced thereby
SU1223201A1 (ru) * 1983-05-23 1986-04-07 Новосибирский государственный университет им.Ленинского комсомола Способ реверсивной записи голограмм
EP0836738B1 (de) * 1995-07-05 2008-08-27 Yenploy Pty. Ltd. Optisches speichersystem
US20030064293A1 (en) * 2001-09-07 2003-04-03 Polight Technologies Ltd. Holographic recording medium
GB2379441A (en) * 2001-09-07 2003-03-12 Polight Tech Ltd Holographic recording medium

Also Published As

Publication number Publication date
EP1242997A1 (de) 2002-09-25
CN1409861A (zh) 2003-04-09
AU2199501A (en) 2001-06-25
CA2394541A1 (en) 2001-06-21
TW556171B (en) 2003-10-01
US20020192566A1 (en) 2002-12-19
IL149787A0 (en) 2002-11-10
EP1242997B1 (de) 2003-10-29
JP2003517161A (ja) 2003-05-20
KR20020064937A (ko) 2002-08-10
GB9929953D0 (en) 2000-02-09
ATE253252T1 (de) 2003-11-15
WO2001045111A1 (en) 2001-06-21

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Legal Events

Date Code Title Description
8332 No legal effect for de