FR2304934B1 - - Google Patents

Info

Publication number
FR2304934B1
FR2304934B1 FR7508428A FR7508428A FR2304934B1 FR 2304934 B1 FR2304934 B1 FR 2304934B1 FR 7508428 A FR7508428 A FR 7508428A FR 7508428 A FR7508428 A FR 7508428A FR 2304934 B1 FR2304934 B1 FR 2304934B1
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
FR7508428A
Other languages
French (fr)
Other versions
FR2304934A1 (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.)
Thales SA
Original Assignee
Thomson CSF SA
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 Thomson CSF SA filed Critical Thomson CSF SA
Priority to FR7508428A priority Critical patent/FR2304934A1/fr
Publication of FR2304934A1 publication Critical patent/FR2304934A1/fr
Application granted granted Critical
Publication of FR2304934B1 publication Critical patent/FR2304934B1/fr
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
    • H04B10/29—Repeaters
    • 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 
    • G02F1/13—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 liquid crystals, e.g. single liquid crystal display cells
    • G02F1/1326—Liquid crystal optical waveguides or liquid crystal cells specially adapted for gating or modulating between optical waveguides
    • 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
    • G02F1/29—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 position or the direction of light beams, i.e. deflection
    • G02F1/31—Digital deflection, i.e. optical switching

Landscapes

  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Optical Elements Other Than Lenses (AREA)
  • Liquid Crystal (AREA)
FR7508428A 1975-03-18 1975-03-18 Circuit optique electriquement commande et application a un repeteur opto-electronique Granted FR2304934A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7508428A FR2304934A1 (fr) 1975-03-18 1975-03-18 Circuit optique electriquement commande et application a un repeteur opto-electronique

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7508428A FR2304934A1 (fr) 1975-03-18 1975-03-18 Circuit optique electriquement commande et application a un repeteur opto-electronique

Publications (2)

Publication Number Publication Date
FR2304934A1 FR2304934A1 (fr) 1976-10-15
FR2304934B1 true FR2304934B1 (OSRAM) 1978-10-27

Family

ID=9152714

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7508428A Granted FR2304934A1 (fr) 1975-03-18 1975-03-18 Circuit optique electriquement commande et application a un repeteur opto-electronique

Country Status (1)

Country Link
FR (1) FR2304934A1 (OSRAM)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2412862A1 (fr) * 1977-12-22 1979-07-20 Thomson Csf Dispositif de couplage a une ligne de transmission optique et systeme de transmission comportant de tels dispositifs
US4478494A (en) * 1981-11-19 1984-10-23 Sperry Corporation Optical bypass switch
US4474434A (en) * 1981-12-07 1984-10-02 Gte Laboratories Incorporated Polarization-insensitive optical switch apparatus
FR2538127B1 (fr) * 1982-12-21 1986-01-24 Socapex Quadripole optique et multipole comportant de tels quadripoles
US5764329A (en) * 1996-05-17 1998-06-09 Motorola, Inc. Chiral smectic liquid crystal phase spatial light modulator for unpolarized light in which a reflector is at an angle to the output surface of the liquid crystal cell

Also Published As

Publication number Publication date
FR2304934A1 (fr) 1976-10-15

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Legal Events

Date Code Title Description
ST Notification of lapse