FR2054598B1 - - Google Patents

Info

Publication number
FR2054598B1
FR2054598B1 FR707023694A FR7023694A FR2054598B1 FR 2054598 B1 FR2054598 B1 FR 2054598B1 FR 707023694 A FR707023694 A FR 707023694A FR 7023694 A FR7023694 A FR 7023694A FR 2054598 B1 FR2054598 B1 FR 2054598B1
Authority
FR
France
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
Application number
FR707023694A
Other versions
FR2054598A1 (fr
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.)
Unisys Group Services Ltd
Sperry Corp
Original Assignee
Sperry Rand Ltd
Sperry Rand Corp
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 Sperry Rand Ltd, Sperry Rand Corp filed Critical Sperry Rand Ltd
Publication of FR2054598A1 publication Critical patent/FR2054598A1/fr
Application granted granted Critical
Publication of FR2054598B1 publication Critical patent/FR2054598B1/fr
Expired 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
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/03—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on ceramics or electro-optical crystals, e.g. exhibiting Pockels effect or Kerr effect
    • G02F1/05—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on ceramics or electro-optical crystals, e.g. exhibiting Pockels effect or Kerr effect with ferro-electric properties
    • G02F1/0541—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on ceramics or electro-optical crystals, e.g. exhibiting Pockels effect or Kerr effect with ferro-electric properties using photorefractive effects
    • 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
    • G03H1/024—Hologram nature or properties
    • G03H1/0248—Volume 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
    • G03H1/02—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
    • G03H2001/0208—Individual components other than the hologram
    • G03H2001/0232—Mechanical components or mechanical aspects not otherwise provided for
    • 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
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • General Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Optics & Photonics (AREA)
  • Holo Graphy (AREA)
  • Diffracting Gratings Or Hologram Optical Elements (AREA)
FR707023694A 1969-06-30 1970-06-26 Expired FR2054598B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US83766569A 1969-06-30 1969-06-30

Publications (2)

Publication Number Publication Date
FR2054598A1 FR2054598A1 (fr) 1971-04-23
FR2054598B1 true FR2054598B1 (fr) 1973-04-06

Family

ID=25275088

Family Applications (1)

Application Number Title Priority Date Filing Date
FR707023694A Expired FR2054598B1 (fr) 1969-06-30 1970-06-26

Country Status (5)

Country Link
US (1) US3652145A (fr)
JP (1) JPS4822447B1 (fr)
DE (1) DE2032108A1 (fr)
FR (1) FR2054598B1 (fr)
GB (1) GB1312967A (fr)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2153140B1 (fr) * 1971-09-20 1974-05-31 Thomson Csf
FR2160317B1 (fr) * 1971-11-19 1974-09-06 Thomson Csf
FR2199162B1 (fr) * 1972-09-08 1976-10-29 Thomson Csf
JPS51112357A (en) * 1975-01-27 1976-10-04 Hitachi Ltd Element for light damage
FR2312052A1 (fr) * 1975-05-23 1976-12-17 Thomson Csf Dispositif optique de stockage holographique et systeme de stockage tridimensionnel utilisant un tel dispositif
FR2318484A1 (fr) * 1975-07-17 1977-02-11 Thomson Csf Dispositif optique de stockage et d'effacement selectif de donnees et memoire optique comportant un tel dispositif
FR2346810A1 (fr) * 1976-03-30 1977-10-28 Thomson Csf Dispositif optique de stockage multiplie en volume
FR2362466A1 (fr) * 1976-08-19 1978-03-17 Thomson Csf Cellule d'enregistrement holographique, memoire et dispositif de calcul optique utilisant une telle cellule
FR2385079A1 (fr) * 1977-03-23 1978-10-20 Thomson Csf Dispositif de visualisation, par interferometrie holographique, des deformations de structures deformables
US4953924A (en) * 1987-12-30 1990-09-04 Microelectronics And Computer Technology Corporation Enhanced nondestructive holographic reconstruction
US4927220A (en) * 1987-12-31 1990-05-22 Microelectronic & Computer Technology Corp. System and method for photorefractive holographic recording and signal processing
US5422873A (en) * 1993-03-25 1995-06-06 California Institute Of Technology Multiplexing and selective updatable fixing and erasing of volume holograms in photorefractive media and second harmonic generation in photorefractive media by optically induced periodic poling
US5905584A (en) * 1995-12-26 1999-05-18 Ngk Insulators, Ltd. Hologram recording and reproducing apparatus
US20020150022A1 (en) * 2001-04-12 2002-10-17 Tolmachev Yurii Alexandrovich Apparatus and method for 3-D storage of information and its retrieval

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3475736A (en) * 1965-12-23 1969-10-28 Bell Telephone Labor Inc Lamellate optically responsive memory arrangement
US3518634A (en) * 1967-06-16 1970-06-30 Bell Telephone Labor Inc Optical memory with photoactive memory element
US3492492A (en) * 1967-06-16 1970-01-27 Bell Telephone Labor Inc Optically active device with optical enhancement
US3544189A (en) * 1968-06-12 1970-12-01 Bell Telephone Labor Inc Holography using a poled ferroelectric recording material

Also Published As

Publication number Publication date
JPS4822447B1 (fr) 1973-07-06
FR2054598A1 (fr) 1971-04-23
GB1312967A (en) 1973-04-11
DE2032108A1 (de) 1971-01-28
US3652145A (en) 1972-03-28

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Legal Events

Date Code Title Description
ST Notification of lapse