EA200000420A1 - Устройство для получения динамичного изображения с целью отображения - Google Patents

Устройство для получения динамичного изображения с целью отображения

Info

Publication number
EA200000420A1
EA200000420A1 EA200000420A EA200000420A EA200000420A1 EA 200000420 A1 EA200000420 A1 EA 200000420A1 EA 200000420 A EA200000420 A EA 200000420A EA 200000420 A EA200000420 A EA 200000420A EA 200000420 A1 EA200000420 A1 EA 200000420A1
Authority
EA
Eurasian Patent Office
Prior art keywords
light
modulator
dynamic image
receiving
optical addressing
Prior art date
Application number
EA200000420A
Other languages
English (en)
Other versions
EA002343B1 (ru
Inventor
Карл Браун
Морис Стэнли
Original Assignee
Дзе Секертари Оф Стейт Фор Дефенс Ин Хёр Британник Мэджести'З Гавернмент Оф Дзе Юнайтед Кингдом Оф Грейт Британ Энд Нозерн Айланд
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 Дзе Секертари Оф Стейт Фор Дефенс Ин Хёр Британник Мэджести'З Гавернмент Оф Дзе Юнайтед Кингдом Оф Грейт Британ Энд Нозерн Айланд filed Critical Дзе Секертари Оф Стейт Фор Дефенс Ин Хёр Британник Мэджести'З Гавернмент Оф Дзе Юнайтед Кингдом Оф Грейт Британ Энд Нозерн Айланд
Publication of EA200000420A1 publication Critical patent/EA200000420A1/ru
Publication of EA002343B1 publication Critical patent/EA002343B1/ru

Links

Classifications

    • 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
    • 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
    • G03H1/02—Details of features involved during the holographic process; Replication of holograms without interference recording
    • 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
    • G03H1/2294—Addressing the hologram to an active spatial light modulator
    • 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
    • G03H1/2249—Holobject properties
    • 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
    • G03H1/02—Details of features involved during the holographic process; Replication of holograms without interference recording
    • G03H2001/0208—Individual components other than the hologram
    • G03H2001/0224—Active addressable light modulator, i.e. Spatial Light Modulator [SLM]
    • 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
    • G03H1/2202—Reconstruction geometries or arrangements
    • G03H1/2205—Reconstruction geometries or arrangements using downstream optical component
    • G03H2001/221—Element having optical power, e.g. field lens
    • 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
    • G03H1/2286—Particular reconstruction light ; Beam properties
    • G03H2001/2292—Using scanning means
    • 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
    • G03H1/2294—Addressing the hologram to an active spatial light modulator
    • G03H2001/2297—Addressing the hologram to an active spatial light modulator using frame sequential, e.g. for reducing speckle noise
    • 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
    • G03H1/26—Processes or apparatus specially adapted to produce multiple sub- holograms or to obtain images from them, e.g. multicolour technique
    • G03H2001/2605—Arrangement of the sub-holograms, e.g. partial overlapping
    • G03H2001/262—Arrangement of the sub-holograms, e.g. partial overlapping not in optical contact
    • 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
    • G03H1/26—Processes or apparatus specially adapted to produce multiple sub- holograms or to obtain images from them, e.g. multicolour technique
    • G03H1/2645—Multiplexing processes, e.g. aperture, shift, or wavefront multiplexing
    • G03H2001/2655—Time multiplexing, i.e. consecutive records wherein the period between records is pertinent per se
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03H—HOLOGRAPHIC PROCESSES OR APPARATUS
    • G03H2210/00—Object characteristics
    • G03H2210/30—3D object
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03H—HOLOGRAPHIC PROCESSES OR APPARATUS
    • G03H2222/00—Light sources or light beam properties
    • G03H2222/20—Coherence of the light source
    • G03H2222/22—Spatial coherence
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03H—HOLOGRAPHIC PROCESSES OR APPARATUS
    • G03H2223/00—Optical components
    • G03H2223/19—Microoptic array, e.g. lens array
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03H—HOLOGRAPHIC PROCESSES OR APPARATUS
    • G03H2225/00—Active addressable light modulator
    • G03H2225/20—Nature, e.g. e-beam addressed
    • G03H2225/22—Electrically addressed SLM [EA-SLM]
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03H—HOLOGRAPHIC PROCESSES OR APPARATUS
    • G03H2225/00—Active addressable light modulator
    • G03H2225/20—Nature, e.g. e-beam addressed
    • G03H2225/25—Optically addressed SLM [OA-SLM]
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03H—HOLOGRAPHIC PROCESSES OR APPARATUS
    • G03H2225/00—Active addressable light modulator
    • G03H2225/55—Having optical element registered to each pixel
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03H—HOLOGRAPHIC PROCESSES OR APPARATUS
    • G03H2225/00—Active addressable light modulator
    • G03H2225/60—Multiple SLMs
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Optics & Photonics (AREA)
  • Liquid Crystal (AREA)
  • Holo Graphy (AREA)
  • Control Of Indicators Other Than Cathode Ray Tubes (AREA)
  • Liquid Crystal Display Device Control (AREA)
  • Apparatus For Radiation Diagnosis (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)

Abstract

Устройство для получения динамичного изображения, предназначенного для использования в голографии, включает в себя источник (16) света, свет от которого проходит через жидкокристаллический модулятор (18), расположенный на пути источника (16) света. На выходе жидкокристаллического модулятора (18) модулированный свет пропускается через решетку (22) линз, которая направляет свет к пространственному модулятору (24) света с оптической адресацией. Действительное изображение, полученное на пространственном модуляторе (24) света с оптической адресацией, можно использовать в голографии. Частота адресации кадров жидкокристаллического модулятора (18) значительно больше, чем частота кадров пространственного модулятора (24) света с оптической адресацией.Международная заявка была опубликована вместе с отчетом о международном поиске.
EA200000420A 1997-10-15 1998-10-15 Устройство для получения динамичного изображения с целью отображения EA002343B1 (ru)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB9721866A GB2330471A (en) 1997-10-15 1997-10-15 Production of moving images for holography
PCT/GB1998/003097 WO1999019767A1 (en) 1997-10-15 1998-10-15 A system for the production of a dynamic image for display

Publications (2)

Publication Number Publication Date
EA200000420A1 true EA200000420A1 (ru) 2000-10-30
EA002343B1 EA002343B1 (ru) 2002-04-25

Family

ID=10820606

Family Applications (1)

Application Number Title Priority Date Filing Date
EA200000420A EA002343B1 (ru) 1997-10-15 1998-10-15 Устройство для получения динамичного изображения с целью отображения

Country Status (15)

Country Link
US (2) US6437919B1 (ru)
EP (1) EP1023631B1 (ru)
JP (1) JP5069824B2 (ru)
KR (1) KR20010031147A (ru)
CN (1) CN1160593C (ru)
AT (1) ATE282841T1 (ru)
AU (1) AU735008B2 (ru)
BR (1) BR9812925A (ru)
CA (1) CA2307301A1 (ru)
DE (1) DE69827658T2 (ru)
EA (1) EA002343B1 (ru)
GB (1) GB2330471A (ru)
HK (1) HK1034776A1 (ru)
PL (1) PL189427B1 (ru)
WO (1) WO1999019767A1 (ru)

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ATE282841T1 (de) 2004-12-15
CN1160593C (zh) 2004-08-04
BR9812925A (pt) 2000-08-08
US20030035190A1 (en) 2003-02-20
DE69827658D1 (de) 2004-12-23
WO1999019767A1 (en) 1999-04-22
AU735008B2 (en) 2001-06-28
PL189427B1 (pl) 2005-08-31
US6665108B2 (en) 2003-12-16
EP1023631B1 (en) 2004-11-17
JP5069824B2 (ja) 2012-11-07
AU9451798A (en) 1999-05-03
GB2330471A (en) 1999-04-21
HK1034776A1 (en) 2001-11-02
EP1023631A1 (en) 2000-08-02
DE69827658T2 (de) 2005-10-06
CN1282426A (zh) 2001-01-31
CA2307301A1 (en) 1999-04-22
EA002343B1 (ru) 2002-04-25
US6437919B1 (en) 2002-08-20
JP2001520405A (ja) 2001-10-30
GB9721866D0 (en) 1997-12-17
PL340007A1 (en) 2001-01-15
KR20010031147A (ko) 2001-04-16

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