GB1219473A - Optical storage apparatus - Google Patents

Optical storage apparatus

Info

Publication number
GB1219473A
GB1219473A GB05119/68A GB1511968A GB1219473A GB 1219473 A GB1219473 A GB 1219473A GB 05119/68 A GB05119/68 A GB 05119/68A GB 1511968 A GB1511968 A GB 1511968A GB 1219473 A GB1219473 A GB 1219473A
Authority
GB
United Kingdom
Prior art keywords
light
wavelength
change
intensity
polarization vector
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
Application number
GB05119/68A
Other languages
English (en)
Inventor
Fang-Shang Chen
Richard Todd Denton
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 GB1219473A publication Critical patent/GB1219473A/en
Expired 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)
GB05119/68A 1967-03-31 1968-03-29 Optical storage apparatus Expired GB1219473A (en)

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
GB1219473A true GB1219473A (en) 1971-01-13

Family

ID=24514872

Family Applications (1)

Application Number Title Priority Date Filing Date
GB05119/68A Expired GB1219473A (en) 1967-03-31 1968-03-29 Optical storage apparatus

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
DE1772077A1 (de) 1971-01-21
BE712883A (enExample) 1968-07-31
SE348304B (enExample) 1972-08-28
FR1558825A (enExample) 1969-02-28
US3383664A (en) 1968-05-14

Similar Documents

Publication Publication Date Title
JPS51105842A (enExample)
GB1274317A (en) Information storage and retrieval apparatus and method
GB1339846A (en) Apparatus for the optical qualities of a laser beam
US3383664A (en) Electro-optical storage arrangement
GB1156637A (en) Balancing of Rotatable Bodies
ES448356A1 (es) Un aparato para leer un portador o soporte de registro sobreel cual esta almacenada informacion.
GB1259754A (en) Laser light pulse amplification systems
GB1258739A (enExample)
DE3374220D1 (en) Method and device for determining the saturation temperature of a solution
US3580688A (en) Information storage with optic materials
GB1344793A (en) Optical data storage devices
GB1175998A (en) Improvements in Methods and Arrangements for Measuring and Checking Dimensions
GB1327906A (en) Laser
GB1168965A (en) Method of Recording Information on a Photochromic Plate
SU596079A1 (ru) Материал активной среды дл записи и хранени информации
GB1116368A (en) A low-noise optical maser device of the internal modulation type
SHAMBUROV Electrically controlled deflection of a light beam during its total reflection in a birefringent electrooptical crystal(Electrically controlled deflection of light beam during total reflection in birefringent electro-optical crystal)
EDEN et al. Measurement of electro-optic effect in quartz crystal at 830 mc/sec using a helium-neon gas phase optical maser as a light source
SU62899A1 (ru) Приспособление дл нанесени на кривой отметок определенных значений регистрируемой величины
JPS5367449A (en) Optical branching device
GB1269270A (en) Optical apparatus
GB1103043A (en) Optical apparatus
NABOIKIN et al. Characteristics of the spectral composition and radiation kinetics of a ruby laser with a lens system(Positive lenses introduced into ruby laser resonator to decrease light spectral width)
SU127829A1 (ru) Устройство дл двухлучевой фотографической записи
GB1426291A (en) Optical arrangement for beam comparison