DE1772077A1 - Optische Speichereinrichtung - Google Patents

Optische Speichereinrichtung

Info

Publication number
DE1772077A1
DE1772077A1 DE19681772077 DE1772077A DE1772077A1 DE 1772077 A1 DE1772077 A1 DE 1772077A1 DE 19681772077 DE19681772077 DE 19681772077 DE 1772077 A DE1772077 A DE 1772077A DE 1772077 A1 DE1772077 A1 DE 1772077A1
Authority
DE
Germany
Prior art keywords
storage device
wavelength
intensity
disc
optical storage
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.)
Pending
Application number
DE19681772077
Other languages
German (de)
English (en)
Inventor
Fang-Shang Chen
Denton Richard Todd
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.)
AT&T Inc
Original Assignee
Western Electric Co Inc
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 Western Electric Co Inc filed Critical Western Electric Co Inc
Publication of DE1772077A1 publication Critical patent/DE1772077A1/de
Pending legal-status Critical Current

Links

Classifications

    • 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
    • G11—INFORMATION STORAGE
    • G11C—STATIC STORES
    • G11C13/00—Digital stores characterised by the use of storage elements not covered by groups G11C11/00, G11C23/00, or G11C25/00
    • G11C13/04—Digital stores characterised by the use of storage elements not covered by groups G11C11/00, G11C23/00, or G11C25/00 using optical elements ; using other beam accessed elements, e.g. electron or ion beam
    • G11C13/047—Digital stores characterised by the use of storage elements not covered by groups G11C11/00, G11C23/00, or G11C25/00 using optical elements ; using other beam accessed elements, e.g. electron or ion beam using electro-optical elements

Landscapes

  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Non-Silver Salt Photosensitive Materials And Non-Silver Salt Photography (AREA)
  • Optical Recording Or Reproduction (AREA)
DE19681772077 1967-03-31 1968-03-28 Optische Speichereinrichtung Pending DE1772077A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US627492A US3383664A (en) 1967-03-31 1967-03-31 Electro-optical storage arrangement

Publications (1)

Publication Number Publication Date
DE1772077A1 true DE1772077A1 (de) 1971-01-21

Family

ID=24514872

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19681772077 Pending DE1772077A1 (de) 1967-03-31 1968-03-28 Optische Speichereinrichtung

Country Status (7)

Country Link
US (1) US3383664A (enExample)
BE (1) BE712883A (enExample)
DE (1) DE1772077A1 (enExample)
FR (1) FR1558825A (enExample)
GB (1) GB1219473A (enExample)
NL (1) NL6804293A (enExample)
SE (1) SE348304B (enExample)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3518634A (en) * 1967-06-16 1970-06-30 Bell Telephone Labor Inc Optical memory with photoactive memory element
US3517206A (en) * 1968-04-08 1970-06-23 Itek Corp Apparatus and method for optical read-out of internal electric field
US3544189A (en) * 1968-06-12 1970-12-01 Bell Telephone Labor Inc Holography using a poled ferroelectric recording material
US3683337A (en) * 1969-11-24 1972-08-08 Texas Instruments Inc Information storage by changing the valence state of a semi-conductor crystal
DE2006167A1 (de) * 1970-02-11 1971-08-19 Siemens Ag Anordnung zum Lesen eines elektrooptischen Speichers
US3651488A (en) * 1970-06-08 1972-03-21 Rca Corp Information storage system employing optical entry and removal of information
US3713723A (en) * 1971-04-21 1973-01-30 Itek Corp Integrated electro-optic analyzer
US5335098A (en) * 1991-07-26 1994-08-02 Accuwave Corporation Fixing method for narrow bandwidth volume holograms in photorefractive materials
US5491570A (en) * 1991-07-26 1996-02-13 Accuwave Corporation Methods and devices for using photorefractive materials at infrared wavelengths
CA2114226A1 (en) * 1991-07-26 1993-02-18 George Anthony Rakuljic Photorefractive systems and methods
US5691989A (en) * 1991-07-26 1997-11-25 Accuwave Corporation Wavelength stabilized laser sources using feedback from volume holograms
US5796096A (en) * 1991-07-26 1998-08-18 Accuwave Corporation Fabrication and applications of long-lifetime, holographic gratings in photorefractive materials
US5440669A (en) * 1991-07-26 1995-08-08 Accuwave Corporation Photorefractive systems and methods

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2909973A (en) * 1958-09-15 1959-10-27 Ibm Electro-optical display apparatus
US3341826A (en) * 1964-02-25 1967-09-12 Bendix Corp Solid state erasable and rewritable optical memory system utilizing a tenebrescent panel
US3353894A (en) * 1964-06-08 1967-11-21 Ibm Electro-optic light deflector utilizing total internal reflection

Also Published As

Publication number Publication date
NL6804293A (enExample) 1968-10-01
GB1219473A (en) 1971-01-13
BE712883A (enExample) 1968-07-31
SE348304B (enExample) 1972-08-28
FR1558825A (enExample) 1969-02-28
US3383664A (en) 1968-05-14

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