IL95222A - Holographic exposure system to reduce spurious hologram noise - Google Patents

Holographic exposure system to reduce spurious hologram noise

Info

Publication number
IL95222A
IL95222A IL95222A IL9522290A IL95222A IL 95222 A IL95222 A IL 95222A IL 95222 A IL95222 A IL 95222A IL 9522290 A IL9522290 A IL 9522290A IL 95222 A IL95222 A IL 95222A
Authority
IL
Israel
Prior art keywords
exposure system
holographic exposure
reduce spurious
hologram noise
noise
Prior art date
Application number
IL95222A
Other languages
English (en)
Other versions
IL95222A0 (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 IL95222A0 publication Critical patent/IL95222A0/xx
Publication of IL95222A publication Critical patent/IL95222A/xx

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
    • 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
    • G03H1/20—Copying holograms by holographic, i.e. optical means
    • 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)
  • Holo Graphy (AREA)
IL95222A 1989-08-31 1990-07-29 Holographic exposure system to reduce spurious hologram noise IL95222A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/401,327 US4984856A (en) 1989-08-31 1989-08-31 Holographic exposure system to reduce spurious hologram noise

Publications (2)

Publication Number Publication Date
IL95222A0 IL95222A0 (en) 1991-06-10
IL95222A true IL95222A (en) 1993-06-10

Family

ID=23587290

Family Applications (1)

Application Number Title Priority Date Filing Date
IL95222A IL95222A (en) 1989-08-31 1990-07-29 Holographic exposure system to reduce spurious hologram noise

Country Status (7)

Country Link
US (1) US4984856A (xx)
EP (1) EP0415245B1 (xx)
JP (1) JPH0776861B2 (xx)
CA (1) CA2022016C (xx)
DE (1) DE69026775T2 (xx)
ES (1) ES2086339T3 (xx)
IL (1) IL95222A (xx)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8904320D0 (en) * 1989-02-24 1989-07-05 Pilkington Plc Holographic exposure method and apparatus
US5453338A (en) * 1992-03-31 1995-09-26 Dai Nippon Printing Co., Ltd. Hologram and method of and apparatus for producing the same
JPH04329585A (ja) * 1991-05-01 1992-11-18 Nippondenso Co Ltd 光学素子コピー用反射型ホログラム乾板製造装置
US5257118A (en) * 1992-01-29 1993-10-26 Eastman Kodak Company Method for holographically combining laser beams
US5499118A (en) * 1994-08-31 1996-03-12 Hughes Aircraft Company System for copying multiple holograms
DE19700162B4 (de) * 1997-01-07 2006-09-07 Eads Deutschland Gmbh Verfahren zur Herstellung eines holografischen Bildschirms für die Laseraufprojektion
DE19703592A1 (de) * 1997-01-31 1998-08-06 Daimler Benz Ag Bildschirm für Laserrückprojektion
DE19704740B4 (de) * 1997-02-13 2006-07-13 Eads Deutschland Gmbh Holografischer Bildschirm und Herstellungsverfahren
US5963346A (en) * 1997-12-12 1999-10-05 Northrop Grumman Corporation Scatter noise reduction in holographic storage systems by two-step write
US6016210A (en) * 1997-12-15 2000-01-18 Northrop Grumman Corporation Scatter noise reduction in holographic storage systems by speckle averaging
US6118560A (en) * 1998-02-06 2000-09-12 Northrop Grumman Corporation Scatter noise reduction in holographic storage systems by signal-noise orthogonalization
FR2808600B1 (fr) * 2000-05-02 2002-08-09 Thomson Csf Procede de prise de vues holographiques a grande resolution
US20230244184A1 (en) * 2019-11-01 2023-08-03 Acr Ii Glass America Inc. Replication tooling

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2323931C3 (de) * 1972-05-20 1978-03-02 Centralne Laboratorium Optyki, Warschau Holographisches Mikroskop
AU535350B2 (en) * 1979-05-07 1984-03-15 Sony Corporation Inline hologram lens
US4530564A (en) * 1980-08-18 1985-07-23 Hughes Aircraft Company Method and apparatus for production of holographic optical elements
US4458977A (en) * 1981-06-01 1984-07-10 Hughes Aircraft Company Systems for forming improved reflection holograms with a single beam
US4458978A (en) * 1981-06-01 1984-07-10 Hughes Aircraft Company Double beam systems for forming improved holograms
US4456328A (en) * 1981-06-01 1984-06-26 Hughes Aircraft Company Systems for forming improved diffusion holograms
US4478490A (en) * 1981-11-02 1984-10-23 Hughes Aircraft Company Noise reduction in coherent systems
US4416540A (en) * 1981-11-23 1983-11-22 Peter Nicholson Apparatus and method for holographic contact copying
DE3367470D1 (en) * 1982-02-23 1986-12-11 Fujitsu Ltd Method of constructing holograms
GB2192292B (en) * 1986-07-14 1990-02-14 Le I Yadernoi Fiz Im B P Konst Apparatus for copying holographic diffraction gratings
JPS63131166A (ja) * 1986-11-21 1988-06-03 Toppan Printing Co Ltd ホログラム転写箔
GB8803283D0 (en) * 1988-02-12 1988-03-09 Ciba Geigy Ag Copying holograms
US4953923A (en) * 1988-08-01 1990-09-04 Hughes Aircraft Company System for reducing noise holograms

Also Published As

Publication number Publication date
EP0415245A3 (en) 1992-04-22
DE69026775D1 (de) 1996-06-05
JPH0392886A (ja) 1991-04-18
EP0415245A2 (en) 1991-03-06
JPH0776861B2 (ja) 1995-08-16
ES2086339T3 (es) 1996-07-01
CA2022016A1 (en) 1991-03-01
CA2022016C (en) 1995-02-07
IL95222A0 (en) 1991-06-10
DE69026775T2 (de) 1996-09-05
US4984856A (en) 1991-01-15
EP0415245B1 (en) 1996-05-01

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Legal Events

Date Code Title Description
FF Patent granted
RH Patent void