IL77722A - Efficient holograms and method for making same - Google Patents

Efficient holograms and method for making same

Info

Publication number
IL77722A
IL77722A IL77722A IL7772286A IL77722A IL 77722 A IL77722 A IL 77722A IL 77722 A IL77722 A IL 77722A IL 7772286 A IL7772286 A IL 7772286A IL 77722 A IL77722 A IL 77722A
Authority
IL
Israel
Prior art keywords
making same
holograms
efficient
efficient holograms
making
Prior art date
Application number
IL77722A
Other languages
English (en)
Original Assignee
Hughes Aircraft Co
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 Hughes Aircraft Co filed Critical Hughes Aircraft Co
Publication of IL77722A publication Critical patent/IL77722A/xx

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
    • 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
    • G03C1/66—Compositions containing chromates as photosensitive substances
    • 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
    • G03H1/18—Particular processing of hologram record carriers, e.g. for obtaining blazed holograms
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S359/00—Optical: systems and elements
    • Y10S359/90—Methods

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Holo Graphy (AREA)
IL77722A 1985-02-27 1986-01-28 Efficient holograms and method for making same IL77722A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/706,059 US4799746A (en) 1985-02-27 1985-02-27 Efficient holograms and method for making same

Publications (1)

Publication Number Publication Date
IL77722A true IL77722A (en) 1990-09-17

Family

ID=24836067

Family Applications (1)

Application Number Title Priority Date Filing Date
IL77722A IL77722A (en) 1985-02-27 1986-01-28 Efficient holograms and method for making same

Country Status (8)

Country Link
US (1) US4799746A (ja)
EP (1) EP0215839B1 (ja)
JP (1) JPH0644181B2 (ja)
KR (1) KR900001648B1 (ja)
DE (1) DE3689841T2 (ja)
IL (1) IL77722A (ja)
NO (1) NO174403C (ja)
WO (1) WO1986005286A1 (ja)

Families Citing this family (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8608279D0 (en) * 1986-04-04 1986-05-08 Ciba Geigy Ag Holographic assembly
US4950567A (en) * 1988-01-15 1990-08-21 E. I. Du Pont De Nemours And Company Holographic optical combiners for head-up displays
GB8807027D0 (en) * 1988-03-24 1988-04-27 Ciba Geigy Ag Holograms
US5162927A (en) * 1988-06-15 1992-11-10 Hughes Aircraft Company High efficiency holograms by multiple-layer holography
US5096790A (en) * 1988-07-28 1992-03-17 E. I. Du Pont De Nemours And Company Process of forming hologram and polymeric holographic recording medium with sensitizer
US4990415A (en) * 1988-08-01 1991-02-05 Hughes Aircraft Company Thin foil hologram
US4983003A (en) * 1988-10-27 1991-01-08 Hughes Aircraft Company Alternate methods of side lobe reduction in holograms
US5128780A (en) * 1989-08-30 1992-07-07 Hughes Aircraft Company Enhanced-resolution, multiply-exposed reflection hologram
CA2047814A1 (en) * 1990-08-31 1992-03-01 Gaylord E. Moss Diffraction efficiency control in holographic elements
DE4110235C2 (de) * 1991-03-28 1995-03-16 Ver Glaswerke Gmbh Verfahren zur Herstellung eines am Rand eine Übergangszone aufweisenden holographischen Elements für eine Windschutzscheibe
US5377176A (en) * 1993-07-14 1994-12-27 Tamarack Storage Devices Method and apparatus for isolating data storage regions in a thick holographic storage media
US5519651A (en) * 1993-10-07 1996-05-21 Tamarack Storage Devices High capacity holographic storage system
US5621549A (en) * 1993-10-07 1997-04-15 Tamarack Storage Devices, Inc. Method and apparatus for positioning a light beam on a holographic media
US5694488A (en) * 1993-12-23 1997-12-02 Tamarack Storage Devices Method and apparatus for processing of reconstructed holographic images of digital data patterns
US5883880A (en) * 1994-06-15 1999-03-16 Tamarack Storage Devices Disk positioning device for defining precise radial location
US5932397A (en) * 1996-05-28 1999-08-03 Rvm Scientific, Inc. Multicolor lithography for control of three dimensional refractive index gradient processing
US6821457B1 (en) * 1998-07-29 2004-11-23 Science Applications International Corporation Electrically switchable polymer-dispersed liquid crystal materials including switchable optical couplers and reconfigurable optical interconnects
AU3157999A (en) * 1998-03-27 1999-10-18 Durand Limited Light-modifying and other structures using dichromated gelatine and other materials, and methods of making such structures
US6950173B1 (en) 2003-04-08 2005-09-27 Science Applications International Corporation Optimizing performance parameters for switchable polymer dispersed liquid crystal optical elements
EP1837870A1 (en) * 2006-03-20 2007-09-26 Deutsche Thomson-Brandt Gmbh Pre-exposure and curing of photo-sensitive material for optical data storage
EP1933311B1 (en) 2006-12-13 2010-06-02 Thomson Licensing Pre-exposure and curing of photo-sensitive material for optical data storage
JP2009048059A (ja) * 2007-08-22 2009-03-05 Fujifilm Corp ホログラフィック記録媒体
JP2009048066A (ja) * 2007-08-22 2009-03-05 Fujifilm Corp ホログラフィック記録媒体およびホログラフィック記録装置
US11585967B2 (en) * 2020-10-15 2023-02-21 Meta Platforms Technologies LLC Apodization of refractive index profile in volume gratings
US12405409B2 (en) 2020-11-16 2025-09-02 Meta Platforms Technologies, Llc Chemical diffusion treated volume holograms and methods for making the same
GB2607672B (en) * 2022-03-29 2023-06-28 Envisics Ltd Display system and light control film therefor

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3012886A (en) * 1954-05-10 1961-12-12 Harry H Lerner Emulsion coating and method of preparation
US2947626A (en) * 1954-11-08 1960-08-02 Photo Ceramics Corp Reproduction of photographs on ceramics
GB1371121A (en) * 1972-06-17 1974-10-23 Vnii Komplexnykh Poligrafii Ko Light tracing material
AU6361773A (en) * 1972-12-18 1975-06-19 Grace W R & Co Printing of pattern plates
CA1051707A (en) * 1973-10-25 1979-04-03 Michael Gulla Photoresist film with non-photosensitive resist layer
US3940204A (en) * 1975-01-23 1976-02-24 Hughes Aircraft Company Optical display systems utilizing holographic lenses
JPS6046715B2 (ja) * 1977-04-30 1985-10-17 日本電信電話株式会社 光化学エツチング方法
JPS5719084A (en) * 1980-07-09 1982-02-01 Asahi Chem Ind Co Ltd Disposal of waste water
US4367911A (en) * 1980-07-14 1983-01-11 Hughes Aircraft Company Method and assembly for holographic exposure
US4815800A (en) * 1984-12-21 1989-03-28 Hughes Aircraft Company Flare reduction in holograms
US4687720A (en) * 1984-12-21 1987-08-18 Hughes Aircraft Company Side lobe suppression in holograms using pre-exposure

Also Published As

Publication number Publication date
NO863631L (no) 1986-09-11
WO1986005286A1 (en) 1986-09-12
KR880700326A (ko) 1988-02-22
NO863631D0 (no) 1986-09-11
NO174403C (no) 1994-04-27
US4799746A (en) 1989-01-24
JPS62501993A (ja) 1987-08-06
NO174403B (no) 1994-01-17
DE3689841T2 (de) 1994-09-01
DE3689841D1 (de) 1994-06-23
EP0215839B1 (en) 1994-05-18
JPH0644181B2 (ja) 1994-06-08
EP0215839A1 (en) 1987-04-01
KR900001648B1 (ko) 1990-03-17

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Legal Events

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