GB1359309A - Apparatus for optical information processing - Google Patents

Apparatus for optical information processing

Info

Publication number
GB1359309A
GB1359309A GB2993971A GB2993971A GB1359309A GB 1359309 A GB1359309 A GB 1359309A GB 2993971 A GB2993971 A GB 2993971A GB 2993971 A GB2993971 A GB 2993971A GB 1359309 A GB1359309 A GB 1359309A
Authority
GB
United Kingdom
Prior art keywords
crystal
phase shifter
induced
neutral lines
beam splitter
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
GB2993971A
Other languages
English (en)
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.)
Philips Electronics UK Ltd
Original Assignee
Philips Electronic and Associated Industries Ltd
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 Philips Electronic and Associated Industries Ltd filed Critical Philips Electronic and Associated Industries Ltd
Publication of GB1359309A publication Critical patent/GB1359309A/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
    • G02F1/0333—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 addressed by a beam of charged particles

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)
  • Holo Graphy (AREA)
  • Optical Modulation, Optical Deflection, Nonlinear Optics, Optical Demodulation, Optical Logic Elements (AREA)
GB2993971A 1970-06-29 1971-06-25 Apparatus for optical information processing Expired GB1359309A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7023960A FR2094655A5 (enExample) 1970-06-29 1970-06-29

Publications (1)

Publication Number Publication Date
GB1359309A true GB1359309A (en) 1974-07-10

Family

ID=9057950

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2993971A Expired GB1359309A (en) 1970-06-29 1971-06-25 Apparatus for optical information processing

Country Status (4)

Country Link
CA (1) CA940632A (enExample)
FR (1) FR2094655A5 (enExample)
GB (1) GB1359309A (enExample)
NL (1) NL7108624A (enExample)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2194982B1 (enExample) * 1972-08-04 1976-01-23 Labo Electronique Physique

Also Published As

Publication number Publication date
NL7108624A (enExample) 1971-12-31
DE2129075B2 (de) 1976-01-15
FR2094655A5 (enExample) 1972-02-04
DE2129075A1 (de) 1972-01-20
CA940632A (en) 1974-01-22

Similar Documents

Publication Publication Date Title
EP0075015A4 (en) LIQUID CRYSTAL LIGHT VALVE WITH DOUBLE BREAKING COMPENSATION.
US4707077A (en) Real time image subtraction with a single liquid crystal light valve
GB1330709A (en) Spatial filter
US5018838A (en) Method and device for achieving optical spatial phase modulation
US4971409A (en) Real-time optical image subtraction
Ja Real-time image subtraction in four-wave mixing with photorefractive Bi12GeO20 crystals
US4968107A (en) Real time image inversion using four-wave mixing
GB1359309A (en) Apparatus for optical information processing
Sprague et al. The PROM-a status report
US3739362A (en) Magneto-optical signal processor
JPS57138616A (en) Optical correlation processing device
Yeh et al. Real-time contrast reversal via four-wave mixing in nonlinear media
US4913534A (en) Real-time dynamic holographic image storage device
Matsuda et al. An experiment of image-subtraction using holographic beam splitter
US4762394A (en) Real time optical computing and image processing using self-pumped conjugate mirror
GB1057963A (en) Projecting optical images
Stenflo A new type of magnetograph
US3501221A (en) Optical filtering
Voronin et al. Image up-conversion and holography
Fink DC bias suppression in diffraction patterns
Liu et al. Novelty filtered optical correlator using photorefractive crystal
Yu et al. Microchannel spatial light modulator with white light processing
US1810703A (en) Sound recording system
Yeh et al. Real-time optical image subtraction using dynamic holographic interference in photorefractive media
Gibson et al. Automatic recognition and tracking of targets from visible or thermal imagery, using optical processing

Legal Events

Date Code Title Description
PS Patent sealed
PLNP Patent lapsed through nonpayment of renewal fees