CA2225676A1 - Systeme et procede de copie d'hologrammes multiplexes - Google Patents

Systeme et procede de copie d'hologrammes multiplexes Download PDF

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Publication number
CA2225676A1
CA2225676A1 CA002225676A CA2225676A CA2225676A1 CA 2225676 A1 CA2225676 A1 CA 2225676A1 CA 002225676 A CA002225676 A CA 002225676A CA 2225676 A CA2225676 A CA 2225676A CA 2225676 A1 CA2225676 A1 CA 2225676A1
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CA
Canada
Prior art keywords
medium
master
multiplexing
multiplexed
holograms
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.)
Abandoned
Application number
CA002225676A
Other languages
English (en)
Inventor
Fai H. Mok
Yong Qiao
Gan Zhou
Demetri Psaltis
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.)
Holoplex
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of CA2225676A1 publication Critical patent/CA2225676A1/fr
Abandoned legal-status Critical Current

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Classifications

    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00Recording 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
    • G11B7/28Re-recording, i.e. transcribing information from one optical record carrier on to one or more similar or dissimilar record carriers
    • GPHYSICS
    • G03PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03HHOLOGRAPHIC PROCESSES OR APPARATUS
    • G03H1/00Holographic processes or apparatus using light, infrared or ultraviolet waves for obtaining holograms or for obtaining an image from them; Details peculiar thereto
    • G03H1/02Details of features involved during the holographic process; Replication of holograms without interference recording
    • G03H1/024Hologram nature or properties
    • G03H1/0248Volume holograms
    • GPHYSICS
    • G03PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03HHOLOGRAPHIC PROCESSES OR APPARATUS
    • G03H1/00Holographic processes or apparatus using light, infrared or ultraviolet waves for obtaining holograms or for obtaining an image from them; Details peculiar thereto
    • G03H1/04Processes or apparatus for producing holograms
    • G03H1/20Copying holograms by holographic, i.e. optical means
    • G03H1/202Contact copy when the reconstruction beam for the master H1 also serves as reference beam for the copy H2
    • GPHYSICS
    • G03PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03HHOLOGRAPHIC PROCESSES OR APPARATUS
    • G03H1/00Holographic processes or apparatus using light, infrared or ultraviolet waves for obtaining holograms or for obtaining an image from them; Details peculiar thereto
    • G03H1/26Processes or apparatus specially adapted to produce multiple sub- holograms or to obtain images from them, e.g. multicolour technique
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00Recording 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
    • G11B7/004Recording, reproducing or erasing methods; Read, write or erase circuits therefor
    • G11B7/0065Recording, reproducing or erasing by using optical interference patterns, e.g. holograms
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00Recording 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
    • G11B7/12Heads, e.g. forming of the optical beam spot or modulation of the optical beam
    • G11B7/125Optical 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
    • G11B7/127Lasers; Multiple laser arrays
    • GPHYSICS
    • G03PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03HHOLOGRAPHIC PROCESSES OR APPARATUS
    • G03H1/00Holographic processes or apparatus using light, infrared or ultraviolet waves for obtaining holograms or for obtaining an image from them; Details peculiar thereto
    • G03H1/26Processes or apparatus specially adapted to produce multiple sub- holograms or to obtain images from them, e.g. multicolour technique
    • G03H1/2645Multiplexing processes, e.g. aperture, shift, or wavefront multiplexing
    • G03H1/265Angle multiplexing; Multichannel holograms
    • GPHYSICS
    • G03PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03HHOLOGRAPHIC PROCESSES OR APPARATUS
    • G03H1/00Holographic processes or apparatus using light, infrared or ultraviolet waves for obtaining holograms or for obtaining an image from them; Details peculiar thereto
    • G03H1/26Processes or apparatus specially adapted to produce multiple sub- holograms or to obtain images from them, e.g. multicolour technique
    • G03H1/2645Multiplexing processes, e.g. aperture, shift, or wavefront multiplexing
    • G03H2001/2675Phase code multiplexing, wherein the sub-holograms are multiplexed according to spatial modulation of the reference beam

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Holo Graphy (AREA)

Abstract

Le système décrit ci-dessous permet de reproduire des informations holographiques multiplexées à partir d'un support original (100, 300, 400, 500, 600, 720) sur un support de reproduction (200, 310, 410, 510, 610, 730). Il lit simultanément les informations venant de tous les hologrammes originaux contenus dans le même support original et les enregistre sur le support de reproduction. La copie présente des distributions de phase et d'amplitude différentes du support original contenant une pluralité d'hologrammes multiplexés (420, 520), bien que la copie et l'original contiennent des informations holographiques identiques des objets originaux.
CA002225676A 1995-06-23 1996-06-21 Systeme et procede de copie d'hologrammes multiplexes Abandoned CA2225676A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US47195P 1995-06-23 1995-06-23
US60/000,471 1995-06-23

Publications (1)

Publication Number Publication Date
CA2225676A1 true CA2225676A1 (fr) 1997-01-09

Family

ID=21691655

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002225676A Abandoned CA2225676A1 (fr) 1995-06-23 1996-06-21 Systeme et procede de copie d'hologrammes multiplexes

Country Status (6)

Country Link
EP (1) EP0835479A4 (fr)
JP (1) JPH11515110A (fr)
KR (1) KR19990028317A (fr)
AU (1) AU6334296A (fr)
CA (1) CA2225676A1 (fr)
WO (1) WO1997001133A1 (fr)

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Also Published As

Publication number Publication date
WO1997001133A1 (fr) 1997-01-09
AU6334296A (en) 1997-01-22
EP0835479A4 (fr) 1999-07-21
KR19990028317A (ko) 1999-04-15
EP0835479A1 (fr) 1998-04-15
JPH11515110A (ja) 1999-12-21

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