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DE69428700D1 - Diffraktionsvorrichtung mit mehreren abbildungen - Google Patents

Diffraktionsvorrichtung mit mehreren abbildungen

Info

Publication number
DE69428700D1
DE69428700D1 DE69428700T DE69428700T DE69428700D1 DE 69428700 D1 DE69428700 D1 DE 69428700D1 DE 69428700 T DE69428700 T DE 69428700T DE 69428700 T DE69428700 T DE 69428700T DE 69428700 D1 DE69428700 D1 DE 69428700D1
Authority
DE
Germany
Prior art keywords
differential device
several images
images
several
differential
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
DE69428700T
Other languages
English (en)
Other versions
DE69428700T2 (de
Inventor
Arthur Lee
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.)
Commonwealth Scientific and Industrial Research Organization CSIRO
Original Assignee
Commonwealth Scientific and Industrial Research Organization CSIRO
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 Commonwealth Scientific and Industrial Research Organization CSIRO filed Critical Commonwealth Scientific and Industrial Research Organization CSIRO
Publication of DE69428700D1 publication Critical patent/DE69428700D1/de
Application granted granted Critical
Publication of DE69428700T2 publication Critical patent/DE69428700T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/18—Diffraction gratings
    • G02B5/1842—Gratings for image generation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
    • B42D—BOOKS; BOOK COVERS; LOOSE LEAVES; PRINTED MATTER CHARACTERISED BY IDENTIFICATION OR SECURITY FEATURES; PRINTED MATTER OF SPECIAL FORMAT OR STYLE NOT OTHERWISE PROVIDED FOR; DEVICES FOR USE THEREWITH AND NOT OTHERWISE PROVIDED FOR; MOVABLE-STRIP WRITING OR READING APPARATUS
    • B42D25/00—Information-bearing cards or sheet-like structures characterised by identification or security features; Manufacture thereof
    • B42D25/30—Identification or security features, e.g. for preventing forgery
    • B42D25/328—Diffraction gratings; 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
    • G03H1/26—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
    • 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
    • G03H1/30—Processes or apparatus specially adapted to produce multiple sub- holograms or to obtain images from them, e.g. multicolour technique discrete holograms only
    • 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
    • G03H1/0005—Adaptation of holography to specific applications
    • G03H1/0011—Adaptation of holography to specific applications for security or authentication
    • 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
    • G03H1/08—Synthesising holograms, i.e. holograms synthesized from objects or objects from holograms
    • G03H1/0891—Processes or apparatus adapted to convert digital holographic data into a hologram
    • 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
    • G03H1/0493—Special holograms not otherwise provided for, e.g. conoscopic, referenceless holography
    • G03H2001/0497—Dot matrix 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
    • G03H1/26—Processes or apparatus specially adapted to produce multiple sub- holograms or to obtain images from them, e.g. multicolour technique
    • G03H1/30—Processes or apparatus specially adapted to produce multiple sub- holograms or to obtain images from them, e.g. multicolour technique discrete holograms only
    • G03H2001/303—Interleaved sub-holograms, e.g. three RGB sub-holograms having interleaved pixels for reconstructing coloured holobject
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03H—HOLOGRAPHIC PROCESSES OR APPARATUS
    • G03H2230/00—Form or shape of the hologram when not registered to the substrate
    • G03H2230/10—Microhologram not registered to the substrate

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Diffracting Gratings Or Hologram Optical Elements (AREA)
  • Holo Graphy (AREA)
  • Credit Cards Or The Like (AREA)
DE69428700T 1993-05-25 1994-05-25 Diffraktionsvorrichtung mit mehreren abbildungen Expired - Lifetime DE69428700T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AUPL900093 1993-05-25
PCT/AU1994/000279 WO1994028444A1 (en) 1993-05-25 1994-05-25 Multiple image diffractive device

Publications (2)

Publication Number Publication Date
DE69428700D1 true DE69428700D1 (de) 2001-11-22
DE69428700T2 DE69428700T2 (de) 2002-08-01

Family

ID=3776922

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69428700T Expired - Lifetime DE69428700T2 (de) 1993-05-25 1994-05-25 Diffraktionsvorrichtung mit mehreren abbildungen

Country Status (4)

Country Link
US (2) US5909313A (de)
EP (1) EP0704066B1 (de)
DE (1) DE69428700T2 (de)
WO (1) WO1994028444A1 (de)

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EP2336810A1 (de) * 2009-12-18 2011-06-22 Boegli-Gravures S.A. Verfahren und Vorrichtung zur Erzeugung von Farbmustern mittels Beugungsgitter
CN101930207B (zh) * 2010-07-28 2012-02-15 苏州苏大维格光电科技股份有限公司 一种微光栅亚像素三维光学图像及其制作方法
EP2447744B1 (de) * 2010-11-01 2021-03-31 CSEM Centre Suisse d'Electronique et de Microtechnique SA - Recherche et Développement Pixelierter optischer filter und verfahren zu dessen herstellung
CN102722095B (zh) * 2011-03-30 2015-04-15 武汉思臻光信息科技有限公司 一种用于生成全息干涉条纹的方法及系统
DE102011108242A1 (de) 2011-07-21 2013-01-24 Giesecke & Devrient Gmbh Optisch variables Element, insbesondere Sicherheitselement
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US9489604B2 (en) 2014-06-03 2016-11-08 IE-9 Technology Corp. Optically variable data storage device
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JP6821324B2 (ja) * 2015-05-22 2021-01-27 キヤノン株式会社 画像処理装置、画像処理方法およびプログラム
DE102016215160A1 (de) * 2016-06-08 2017-12-14 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Kennzeichnungselement für Produkte
DE102016015335A1 (de) * 2016-12-21 2018-06-21 Giesecke+Devrient Currency Technology Gmbh Holographisches Sicherheitselement und Verfahren zu dessen Herstellung
US11927785B2 (en) 2018-04-13 2024-03-12 Singapore University Of Technology And Design Holographic optical element and method of forming thereof
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CN111123524A (zh) * 2020-01-17 2020-05-08 北京枭龙科技有限公司 能扩瞳且出光均匀的衍射波导
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Also Published As

Publication number Publication date
EP0704066A4 (de) 1996-09-11
US6342969B1 (en) 2002-01-29
EP0704066A1 (de) 1996-04-03
US5909313A (en) 1999-06-01
EP0704066B1 (de) 2001-10-17
WO1994028444A1 (en) 1994-12-08
DE69428700T2 (de) 2002-08-01

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