FR2674035B1 - Dispositif a reseau de phase, pour l'orientation d'un faisceau optique suivant deux directions et systeme radar le comportant. - Google Patents
Dispositif a reseau de phase, pour l'orientation d'un faisceau optique suivant deux directions et systeme radar le comportant.Info
- Publication number
- FR2674035B1 FR2674035B1 FR919114958A FR9114958A FR2674035B1 FR 2674035 B1 FR2674035 B1 FR 2674035B1 FR 919114958 A FR919114958 A FR 919114958A FR 9114958 A FR9114958 A FR 9114958A FR 2674035 B1 FR2674035 B1 FR 2674035B1
- Authority
- FR
- France
- Prior art keywords
- orientation
- directions
- same
- optical beam
- radar system
- 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 - Lifetime
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
- G01S7/48—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S17/00
- G01S7/481—Constructional features, e.g. arrangements of optical elements
- G01S7/4811—Constructional features, e.g. arrangements of optical elements common to transmitter and receiver
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
- G01S7/48—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S17/00
- G01S7/481—Constructional features, e.g. arrangements of optical elements
- G01S7/4817—Constructional features, e.g. arrangements of optical elements relating to scanning
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
- G01S7/48—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S17/00
- G01S7/499—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S17/00 using polarisation effects
-
- 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
- G02F1/292—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 by controlled diffraction or phased-array beam steering
-
- 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
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/13363—Birefringent elements, e.g. for optical compensation
- G02F1/133638—Waveplates, i.e. plates with a retardation value of lambda/n
-
- 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
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1343—Electrodes
- G02F1/134309—Electrodes characterised by their geometrical arrangement
-
- 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
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1347—Arrangement of liquid crystal layers or cells in which the final condition of one light beam is achieved by the addition of the effects of two or more layers or cells
-
- 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
- G02F1/137—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 characterised by the electro-optical or magneto-optical effect, e.g. field-induced phase transition, orientation effect, guest-host interaction or dynamic scattering
- G02F1/139—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 characterised by the electro-optical or magneto-optical effect, e.g. field-induced phase transition, orientation effect, guest-host interaction or dynamic scattering based on orientation effects in which the liquid crystal remains transparent
-
- 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
- G02F2203/00—Function characteristic
- G02F2203/01—Function characteristic transmissive
-
- 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
- G02F2203/00—Function characteristic
- G02F2203/07—Polarisation dependent
-
- 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
- G02F2203/00—Function characteristic
- G02F2203/24—Function characteristic beam steering
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Computer Networks & Wireless Communication (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Nonlinear Science (AREA)
- Optics & Photonics (AREA)
- Liquid Crystal (AREA)
- Polarising Elements (AREA)
- Optical Radar Systems And Details Thereof (AREA)
- Optical Communication System (AREA)
- Variable-Direction Aerials And Aerial Arrays (AREA)
- Radar Systems Or Details Thereof (AREA)
- Optical Elements Other Than Lenses (AREA)
- Optical Modulation, Optical Deflection, Nonlinear Optics, Optical Demodulation, Optical Logic Elements (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US07/621,706 US5126869A (en) | 1990-12-03 | 1990-12-03 | Two-dimensional, phased-array optical beam steerer |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2674035A1 FR2674035A1 (fr) | 1992-09-18 |
FR2674035B1 true FR2674035B1 (fr) | 1994-10-21 |
Family
ID=24491292
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR919114958A Expired - Lifetime FR2674035B1 (fr) | 1990-12-03 | 1991-12-03 | Dispositif a reseau de phase, pour l'orientation d'un faisceau optique suivant deux directions et systeme radar le comportant. |
Country Status (4)
Country | Link |
---|---|
US (1) | US5126869A (fr) |
JP (2) | JP3267650B2 (fr) |
FR (1) | FR2674035B1 (fr) |
GB (1) | GB2250605B (fr) |
Families Citing this family (80)
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US5877876A (en) * | 1992-10-09 | 1999-03-02 | Apeldyn Corporation | Diffractive optical switch with polarizing beam splitters |
US5451969A (en) * | 1993-03-22 | 1995-09-19 | Raytheon Company | Dual polarized dual band antenna |
US5650835A (en) * | 1993-09-03 | 1997-07-22 | Hughes Electronics | Reconfigurable optical beam splitter and method |
US5440654A (en) * | 1993-12-30 | 1995-08-08 | Raytheon Company | Fiber optic switching system |
GB2286058A (en) * | 1994-01-21 | 1995-08-02 | Sharp Kk | Switchable holographic apparatus |
US6704474B1 (en) | 1994-05-24 | 2004-03-09 | Raytheon Company | Optical beam steering system |
US5485538A (en) * | 1994-06-30 | 1996-01-16 | The Whitaker Corporation | Bidirectional wavelength division multiplex transceiver module |
US6437762B1 (en) * | 1995-01-11 | 2002-08-20 | William A. Birdwell | Dynamic diffractive optical transform |
US5731790A (en) * | 1995-11-02 | 1998-03-24 | University Of Central Florida | Compact optical controller for phased array systems |
US5726723A (en) * | 1996-01-31 | 1998-03-10 | Technology Research International Corporation | Sub-twisted nematic liquid crystal display |
US5943159A (en) * | 1996-05-14 | 1999-08-24 | Zhu; Tom Yuxin | Method and apparatus for optical beam steering |
US6028656A (en) * | 1996-10-09 | 2000-02-22 | Cambridge Research & Instrumentation Inc. | Optical polarization switch and method of using same |
US5801798A (en) * | 1996-12-23 | 1998-09-01 | Motorola, Inc. | Fast speed liquid crystal phase spatial light modulator for enchanced display resolution |
US5801799A (en) * | 1996-12-23 | 1998-09-01 | Motorola, Inc. | Multi-directional liquid crystal phase spatial light modulator for enchanced display resolution |
US6147741A (en) * | 1997-02-25 | 2000-11-14 | Motorola, Inc. | Digital scanner employing recorded phase information and method of fabrication |
US6172777B1 (en) | 1997-09-23 | 2001-01-09 | Lsa, Inc. | Optical interconnection for holographic memories and method for using the same |
CN1096004C (zh) | 1997-11-05 | 2002-12-11 | 朱润枢 | 相控阵光学装置 |
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US6388730B1 (en) * | 1999-11-19 | 2002-05-14 | Corning Incorporated | Lateral field based liquid crystal electro-optic polarizer |
US6765644B1 (en) * | 2000-03-01 | 2004-07-20 | Raytheon Company | Broadband optical beam steering system and method |
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US6490076B2 (en) | 2001-01-11 | 2002-12-03 | Hrl Laboratories, Llc | Optical phased array for depolarized optical beam control |
DE10102723A1 (de) * | 2001-01-22 | 2002-08-22 | Zeiss Carl | Strahlablenker, Schaltanordnung mit Strahlablenkern sowie Verfahren zum wahlweisen Verknüpfen von Anschlüssen für optische Signale |
US6643054B1 (en) | 2001-01-22 | 2003-11-04 | Carl-Zeiss-Stiftung | Beam deflector, switching system comprising beam deflectors as well as method for selectively coupling terminals for optical signals |
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JP4084203B2 (ja) * | 2002-01-31 | 2008-04-30 | シチズンホールディングス株式会社 | 光偏向装置 |
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US6792028B2 (en) * | 2002-03-22 | 2004-09-14 | Raytheon Company | Method and laser beam directing system with rotatable diffraction gratings |
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Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2500380A1 (de) * | 1975-01-07 | 1976-07-08 | Siemens Ag | Verfahren zur hochaufloesenden nichtmechanischen lichtstrahlablenkung |
US4270862A (en) * | 1979-01-29 | 1981-06-02 | Sperry Corporation | Magneto-optic light deflector system |
FR2541784B1 (fr) * | 1983-02-25 | 1986-05-16 | Thomson Csf | Dispositif de deflexion statique d'un faisceau infra-rouge |
DE3851623T2 (de) * | 1987-08-19 | 1995-02-09 | Hughes Aircraft Co | Phasengesteuerter lichtablenker. |
US4937539A (en) * | 1987-08-19 | 1990-06-26 | Hughes Aircraft Company | Phased array for optical beam control |
US5013140A (en) * | 1987-09-11 | 1991-05-07 | British Telecommunications Public Limited Company | Optical space switch |
US4813766A (en) * | 1988-03-02 | 1989-03-21 | Raytheon Company | Optical time delay apparatus |
US4964701A (en) * | 1988-10-04 | 1990-10-23 | Raytheon Company | Deflector for an optical beam |
US5018835A (en) * | 1989-01-03 | 1991-05-28 | Raytheon Company | Deflector for an optical beam including refractive means |
JP2801257B2 (ja) * | 1989-04-07 | 1998-09-21 | シチズン時計株式会社 | 光ビーム走査装置 |
-
1990
- 1990-12-03 US US07/621,706 patent/US5126869A/en not_active Expired - Lifetime
-
1991
- 1991-11-08 GB GB9123746A patent/GB2250605B/en not_active Expired - Lifetime
- 1991-12-03 FR FR919114958A patent/FR2674035B1/fr not_active Expired - Lifetime
- 1991-12-03 JP JP31918091A patent/JP3267650B2/ja not_active Expired - Lifetime
-
2000
- 2000-08-04 JP JP2000236855A patent/JP3367940B2/ja not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
JPH04269725A (ja) | 1992-09-25 |
JP2001099933A (ja) | 2001-04-13 |
US5126869A (en) | 1992-06-30 |
FR2674035A1 (fr) | 1992-09-18 |
JP3367940B2 (ja) | 2003-01-20 |
GB2250605A (en) | 1992-06-10 |
GB2250605B (en) | 1995-07-05 |
GB9123746D0 (en) | 1992-01-02 |
JP3267650B2 (ja) | 2002-03-18 |
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