NL156825B - Optische schakelaar, omvattende een elektro-optisch kristalplaatje en een kristalplaatje met dubbele breking; lichtbesturingsinrichting, welke een dergelijke optische schakelaar omvat. - Google Patents

Optische schakelaar, omvattende een elektro-optisch kristalplaatje en een kristalplaatje met dubbele breking; lichtbesturingsinrichting, welke een dergelijke optische schakelaar omvat.

Info

Publication number
NL156825B
NL156825B NL7212542.A NL7212542A NL156825B NL 156825 B NL156825 B NL 156825B NL 7212542 A NL7212542 A NL 7212542A NL 156825 B NL156825 B NL 156825B
Authority
NL
Netherlands
Prior art keywords
crystal plate
optical switch
optical
electro
double
Prior art date
Application number
NL7212542.A
Other languages
English (en)
Other versions
NL7212542A (nl
Original Assignee
Hitachi 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 Hitachi Ltd filed Critical Hitachi Ltd
Publication of NL7212542A publication Critical patent/NL7212542A/xx
Publication of NL156825B publication Critical patent/NL156825B/nl

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
    • G02F1/0305—Constructional arrangements
    • G02F1/0322—Arrangements comprising two or more independently controlled crystals
    • 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
NL7212542.A 1971-09-18 1972-09-15 Optische schakelaar, omvattende een elektro-optisch kristalplaatje en een kristalplaatje met dubbele breking; lichtbesturingsinrichting, welke een dergelijke optische schakelaar omvat. NL156825B (nl)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7284971A JPS5636405B2 (nl) 1971-09-18 1971-09-18

Publications (2)

Publication Number Publication Date
NL7212542A NL7212542A (nl) 1973-03-20
NL156825B true NL156825B (nl) 1978-05-16

Family

ID=13501226

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7212542.A NL156825B (nl) 1971-09-18 1972-09-15 Optische schakelaar, omvattende een elektro-optisch kristalplaatje en een kristalplaatje met dubbele breking; lichtbesturingsinrichting, welke een dergelijke optische schakelaar omvat.

Country Status (3)

Country Link
US (1) US3838906A (nl)
JP (1) JPS5636405B2 (nl)
NL (1) NL156825B (nl)

Families Citing this family (28)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5647535B2 (nl) * 1973-07-30 1981-11-10
CH607604B (fr) * 1973-09-27 Suisse Horlogerie Dispositif d'affichage a memoire a cristal solide pour piece d'horlogerie electronique.
DE2903838C2 (de) * 1979-02-01 1986-01-23 Philips Patentverwaltung Gmbh, 2000 Hamburg Elektrooptisches Lichtmodulationselement
US4466702A (en) * 1981-04-01 1984-08-21 Hughes Aircraft Company Liquid crystal light valve with birefringence compensation
US4408839A (en) * 1981-04-01 1983-10-11 Hughes Aircraft Company Twisted nematic liquid light valve with birefringence compensation
US4812767A (en) * 1982-04-18 1989-03-14 Susamu Taketomi Optical apparatus using anomalously strong magneto-birefringence of magnetic fluid
US4635051A (en) * 1983-09-26 1987-01-06 Tektronix, Inc. High-speed electro-optical light gate and field sequential full color display system incorporating same
US4583825A (en) * 1983-12-27 1986-04-22 Tektronix, Inc. Electro-optic display system with improved viewing angle
JPS6159312A (ja) * 1984-08-30 1986-03-26 Ricoh Co Ltd 光学素子
US4848881A (en) * 1984-12-03 1989-07-18 Hughes Aircraft Company Variable lens and birefringence compensator
US4671624A (en) * 1985-03-25 1987-06-09 Hughes Aircraft Company Variable lens and birefringence compensator for continuous operation
US4674841A (en) * 1985-03-08 1987-06-23 Tektronix, Inc. Color filter switchable among three state via a variable retarder
FR2595157B1 (fr) * 1986-02-28 1988-04-29 Commissariat Energie Atomique Cellule a double couche de cristal liquide, utilisant l'effet de birefringence controlee electriquement et procede de fabrication d'un milieu uniaxe d'anisotropie optique negative utilisable dans cette cellule
DE3751233T2 (de) * 1986-10-31 1995-08-24 Seiko Epson Corp Anzeigevorrichtung vom Projektionstyp.
US5109189A (en) * 1990-02-27 1992-04-28 Geo-Centers, Inc. Single crystal electro-optic sensor with three-axis measurement capability
US5305136A (en) * 1992-03-31 1994-04-19 Geo-Centers, Inc. Optically bidirectional fast optical switch having reduced light loss
US5298964A (en) * 1992-03-31 1994-03-29 Geo-Center, Inc. Optical stress sensing system with directional measurement capabilities
US5419522A (en) * 1992-05-06 1995-05-30 New Focus, Inc. Universal optical mount
GB2287327A (en) * 1994-03-02 1995-09-13 Sharp Kk Electro-optic apparatus
US6654061B2 (en) * 1995-06-14 2003-11-25 Canon Kabushiki Kaisha Automatic focus adjusting apparatus and method utilized by an image sensing apparatus
US5684293A (en) * 1995-11-29 1997-11-04 Eastman Kodak Company Anti-aliasing low-pass blur filter for reducing artifacts in imaging apparatus
CN102292980B (zh) * 2008-11-25 2015-04-01 泰特拉维公司 高分辨率三维成像的系统和方法
US10104365B2 (en) 2014-04-26 2018-10-16 Tetravue, Inc. Method and system for robust and extended illumination waveforms for depth sensing in 3D imaging
KR20190003480A (ko) 2016-02-29 2019-01-09 테트라뷰 인코포레이티드 3d 이미지화 시스템 및 방법
US11391970B2 (en) 2017-12-05 2022-07-19 Hamamatsu Photonics K.K. Reflective spatial light modulator, optical observation device, and light irradiation device
US11550172B2 (en) * 2017-12-05 2023-01-10 Hamamatsu Photonics K.K. Reflective spatial light modulator having a perovskite-type electro-optic crystal, optical observation device including same, and light irradiation device including same
US11212512B2 (en) 2017-12-28 2021-12-28 Nlight, Inc. System and method of imaging using multiple illumination pulses
JP7370557B2 (ja) 2019-02-18 2023-10-30 株式会社トーメーコーポレーション 眼科装置

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2705903A (en) * 1949-07-07 1955-04-12 Fred R Marshall Electro-optical shutters
US3559185A (en) * 1968-08-07 1971-01-26 Ibm Optical switch
US3614754A (en) * 1969-03-17 1971-10-19 Stewart E Cummins Ferroelectric gadolinium molybdate compensation type bistable light gate and logic cell having memory
US3661442A (en) * 1969-03-25 1972-05-09 Hitachi Ltd Electrically operated optical shutter

Also Published As

Publication number Publication date
JPS4839059A (nl) 1973-06-08
US3838906A (en) 1974-10-01
NL7212542A (nl) 1973-03-20
JPS5636405B2 (nl) 1981-08-24

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Legal Events

Date Code Title Description
NL80 Abbreviated name of patent owner mentioned of already nullified patent

Owner name: HITACHI

V4 Discontinued because of reaching the maximum lifetime of a patent