FR2754351B1 - DEVICE FOR THE REMOVAL OF A ZERO ORDER BEAM EMERGING FROM A ILLUMINATED HOLOGRAM IN POLARIZED LIGHT - Google Patents
DEVICE FOR THE REMOVAL OF A ZERO ORDER BEAM EMERGING FROM A ILLUMINATED HOLOGRAM IN POLARIZED LIGHTInfo
- Publication number
- FR2754351B1 FR2754351B1 FR9612248A FR9612248A FR2754351B1 FR 2754351 B1 FR2754351 B1 FR 2754351B1 FR 9612248 A FR9612248 A FR 9612248A FR 9612248 A FR9612248 A FR 9612248A FR 2754351 B1 FR2754351 B1 FR 2754351B1
- Authority
- FR
- France
- Prior art keywords
- removal
- polarized light
- zero order
- order beam
- beam emerging
- 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 - Fee Related
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
- G02F1/13—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
- G02F1/1336—Illuminating devices
- G02F1/133621—Illuminating devices providing coloured light
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/10—Beam splitting or combining systems
- G02B27/1086—Beam splitting or combining systems operating by diffraction only
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/28—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00 for polarising
- G02B27/281—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00 for polarising used for attenuating light intensity, e.g. comprising rotatable polarising elements
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/32—Holograms used as optical elements
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03H—HOLOGRAPHIC PROCESSES OR APPARATUS
- G03H1/00—Holographic processes or apparatus using light, infrared or ultraviolet waves for obtaining holograms or for obtaining an image from them; Details peculiar thereto
- G03H1/22—Processes or apparatus for obtaining an optical image from holograms
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/74—Projection arrangements for image reproduction, e.g. using eidophor
- H04N5/7416—Projection arrangements for image reproduction, e.g. using eidophor involving the use of a spatial light modulator, e.g. a light valve, controlled by a video signal
- H04N5/7441—Projection arrangements for image reproduction, e.g. using eidophor involving the use of a spatial light modulator, e.g. a light valve, controlled by a video signal the modulator being an array of liquid crystal cells
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N9/00—Details of colour television systems
- H04N9/12—Picture reproducers
- H04N9/31—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM]
- H04N9/3141—Constructional details thereof
- H04N9/315—Modulator illumination systems
- H04N9/3167—Modulator illumination systems for polarizing the light beam
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Nonlinear Science (AREA)
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Mathematical Physics (AREA)
- Diffracting Gratings Or Hologram Optical Elements (AREA)
- Holo Graphy (AREA)
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9612248A FR2754351B1 (en) | 1996-10-08 | 1996-10-08 | DEVICE FOR THE REMOVAL OF A ZERO ORDER BEAM EMERGING FROM A ILLUMINATED HOLOGRAM IN POLARIZED LIGHT |
DE69730166T DE69730166D1 (en) | 1996-10-08 | 1997-10-03 | DEVICE FOR SUPPRESSING THE ZERO-ORDER RAY FROM A HOLOGRAM, ILLUMINATED WITH POLARIZED LIGHT |
US09/284,045 US6256122B1 (en) | 1996-10-08 | 1997-10-03 | Device for the elimination of the zero order beam emerging from a hologram illuminated in polarized light |
PCT/US1997/018036 WO1998015854A1 (en) | 1996-10-08 | 1997-10-03 | Device for the elimination of the zero order beam emerging from a hologram illuminated in polarized light |
EP97910813A EP1012640B1 (en) | 1996-10-08 | 1997-10-03 | Device for the elimination of the zero order beam emerging from a hologram illuminated in polarized light |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9612248A FR2754351B1 (en) | 1996-10-08 | 1996-10-08 | DEVICE FOR THE REMOVAL OF A ZERO ORDER BEAM EMERGING FROM A ILLUMINATED HOLOGRAM IN POLARIZED LIGHT |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2754351A1 FR2754351A1 (en) | 1998-04-10 |
FR2754351B1 true FR2754351B1 (en) | 1998-12-04 |
Family
ID=9496461
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR9612248A Expired - Fee Related FR2754351B1 (en) | 1996-10-08 | 1996-10-08 | DEVICE FOR THE REMOVAL OF A ZERO ORDER BEAM EMERGING FROM A ILLUMINATED HOLOGRAM IN POLARIZED LIGHT |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR2754351B1 (en) |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4407566A (en) * | 1981-09-29 | 1983-10-04 | Lockheed Missiles & Space Co., Inc. | Optical filter |
US4810047A (en) * | 1988-02-16 | 1989-03-07 | Grumman Aerospace Corporation | In-line holographic lens arrangement |
US5016950A (en) * | 1988-07-05 | 1991-05-21 | Hughes Aircraft Company | Full-color zero-order suppressed diffraction optics diffusing screen/louver filter laminate |
GB9420750D0 (en) * | 1994-10-14 | 1994-11-30 | Philips Electronics Uk Ltd | Colour liquid crystal projection display systems |
US5627676A (en) * | 1994-12-02 | 1997-05-06 | Corning Incorporated | Birefringent glass waveplate containing copper halide crystals |
-
1996
- 1996-10-08 FR FR9612248A patent/FR2754351B1/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
FR2754351A1 (en) | 1998-04-10 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |