JP5409611B2 - 光変調用装置 - Google Patents
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- JP5409611B2 JP5409611B2 JP2010511587A JP2010511587A JP5409611B2 JP 5409611 B2 JP5409611 B2 JP 5409611B2 JP 2010511587 A JP2010511587 A JP 2010511587A JP 2010511587 A JP2010511587 A JP 2010511587A JP 5409611 B2 JP5409611 B2 JP 5409611B2
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- 239000004973 liquid crystal related substance Substances 0.000 claims description 76
- 238000000034 method Methods 0.000 claims description 29
- 239000000463 material Substances 0.000 claims description 24
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- 230000010287 polarization Effects 0.000 claims description 22
- 230000001427 coherent effect Effects 0.000 claims description 15
- 238000005286 illumination Methods 0.000 claims description 12
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- 230000008901 benefit Effects 0.000 description 4
- 230000008859 change Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
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- 230000005540 biological transmission Effects 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 239000004988 Nematic liquid crystal Substances 0.000 description 1
- 210000004556 brain Anatomy 0.000 description 1
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- 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
- 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
- G02F1/134381—Hybrid switching mode, i.e. for applying an electric field with components parallel and orthogonal to the substrates
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- 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
- G02F1/135—Liquid crystal cells structurally associated with a photoconducting or a ferro-electric layer, the properties of which can be optically or electrically varied
-
- 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
- G02F1/13725—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 guest-host interaction
-
- 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
- G02F1/13768—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 magneto-optical effects
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- 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
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- 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]
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- 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
- G03H2225/30—Modulation
- G03H2225/33—Complex modulation
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Holo Graphy (AREA)
- Liquid Crystal (AREA)
- Polarising Elements (AREA)
- Optical Modulation, Optical Deflection, Nonlinear Optics, Optical Demodulation, Optical Logic Elements (AREA)
Description
δ = 2π / λ Δn d
式中、Δnは、平面に対して垂直な分子の光軸の回転角Ψに依存することになる。等式によれば、
振幅は以下の通りであり、
Claims (22)
- 十分にコヒーレントな光波の位相及び振幅をそれぞれ個別に変調するために分子形態の複屈折材料を含み、規則的に構成された制御可能な光変調素子を含み、力を加えることにより影響される前記分子の光軸の方位を変調コントローラが制御する装置であって、2次元において各次元ごとに前記光変調素子の前記分子(M)の前記光軸の前記方位に影響を及ぼす制御可能な手段と射出側上に配設される偏光子とを有し、
前記2次元は、前記偏光子の面に平行な面及び前記偏光子の面に垂直な面によって定義されることを特徴とする装置。 - 前記複屈折材料は、液晶(LC)の層を含むことを特徴とする請求項1に記載の装置。
- 前記方位は、2次元において2つの制御可能な外部の有効手段からの影響を受けることを特徴とする請求項1に記載の装置。
- 少なくとも1つの外部の有効手段は、電界又は磁界であり、
或いは、2つの外部の有効手段は、同一の種類であり、互いに垂直に配置され、各光変調素子上に提供されることを特徴とする請求項3に記載の装置。 - 前記分子(M)の前記光軸の前記方位は、少なくとも1つの平面において光手段からの影響を受けることを特徴とする請求項1に記載の装置。
- 前記複屈折材料には、染料分子が添加されることを特徴とする請求項5に記載の装置。
- 前記方位は、一方の平面における入射側の偏光子又は直線偏光光源及び他方の平面における電界により入射書込み光の偏光(PO)を変化させることの影響を受けることを特徴とする請求項6に記載の装置。
- 光導電材料を更に含み、複屈折層の前記分子(M)の前記光軸の前記方位は、光導電層に入射する書込み光の強度を変化させることの影響を受けることを特徴とする請求項5に記載の装置。
- シーンのホログラムが書き込まれる光変調素子を含む空間光変調手段であることを特徴とする請求項2に記載の装置。
- 照明ユニットと、前記ホログラフィックシーンの再構成のための光学系とを更に含むことを特徴とする請求項9に記載の装置。
- 前記光変調素子は画素(P)であり、前記方位に影響を及ぼす前記手段は、これらの画素にそれぞれ割り当てられることを特徴とする請求項9に記載の装置。
- 分子形態の複屈折材料を含む装置は、十分にコヒーレントな光波の振幅及び位相をそれぞれ個別に変調するための制御可能な光変調素子の規則的な構成を含み、前記分子の光軸の方位が変調コントローラにより制御される力を加えることの影響を受ける光変調の方法であって、前記分子(M)の前記光軸の前記方位は、前記光変調素子上で動作する制御可能な手段と射出側上に配設される偏光子とによって、2次元において各次元ごとに影響を受け、
前記2次元は、前記偏光子の面に平行な面及び前記偏光子の面に垂直な面によって定義されることを特徴とする光変調の方法。 - 前記分子(M)の前記光軸の前記方位は、個別に制御可能な外部の有効手段からの影響を受けることを特徴とする請求項12に記載の光変調の方法。
- 前記分子(M)の前記光軸の前記方位は、連続的に制御されることを特徴とする請求項12に記載の光変調の方法。
- 垂直な有効方向を有し、且つ、強さがそれぞれ個別に制御される2つの電界は、各光変調素子の分子軸上で作用する、又は、垂直な有効方向を有し、且つ、強さがそれぞれ個別に制御される2つの磁界は、各光変調素子の分子軸上で作用することを特徴とする請求項13に記載の光変調の方法。
- 前記分子(M)の前記方位は、少なくとも1つの平面において光手段からの影響を受けることを特徴とする請求項13に記載の光変調の方法。
- 前記分子(M)の前記方位は、電気手段と、磁気手段と、光手段との任意の組合せにより、2次元において各次元ごとに影響を受けることを特徴とする請求項13に記載の光変調の方法。
- 前記装置は、ホログラフィックディスプレイ装置の空間光変調手段であり、シーンのホログラムは、前記光変調手段の前記光変調素子に書き込まれ、
照明ユニットは、前記ホログラムを照明し、光学系と共に前記シーンのホログラフィック再構成を生成することを特徴とする請求項13に記載の光変調の方法。 - 前記分子軸の前記方位は、前記1つの平面において染料分子が添加される前記複屈折材料における光配向の影響を受け、且つ、前記1つの平面に対して垂直な平面における電界の作用の影響を受けることを特徴とする請求項18に記載の光変調の方法。
- 前記光変調手段の光入射面又は光射出面上に配設される偏光子は、光波を偏光することを特徴とする請求項18に記載の光変調の方法。
- 前記照明ユニットは、前記光入射面上に配設される前記偏光子の機能が偏光により置換される少なくとも1つの直線偏光光源を含むことを特徴とする請求項18及び20に記載の光変調の方法。
- 規則的に構成された画素と液晶層とを有する光変調手段を含むホログラフィックディスプレイ装置用の光変調装置であって、照明ユニットによって放射される十分にコヒーレントな光波の位相及び振幅をそれぞれ個別に変調するために、請求項1乃至11のうちいずれか1項に記載の変調コントローラにより制御され、且つ、外部からの画素に作用する制御可能な手段により前記液晶分子の光軸の方位が2次元において各次元ごとに影響を受け、ホログラフィックに符号化された3Dシーンの合成された位相値及び振幅値を同時に変調するために、前記ホログラフィックディスプレイ装置が、前記光変調手段において変調される前記光波を活用して再構成空間において前記3Dシーンを再構成する光学系を更に含むことを特徴とする光変調装置。
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Application Number | Priority Date | Filing Date | Title |
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DE102007028371.9 | 2007-06-13 | ||
DE102007028371A DE102007028371B4 (de) | 2007-06-13 | 2007-06-13 | Einrichtung zur Lichtmodulation |
PCT/EP2008/057000 WO2008151980A1 (de) | 2007-06-13 | 2008-06-05 | Einrichtung zur amplituden- und phasemodulation von licht |
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JP2010530080A JP2010530080A (ja) | 2010-09-02 |
JP5409611B2 true JP5409611B2 (ja) | 2014-02-05 |
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US (1) | US8687252B2 (ja) |
JP (1) | JP5409611B2 (ja) |
KR (1) | KR101505927B1 (ja) |
CN (1) | CN101779168B (ja) |
DE (1) | DE102007028371B4 (ja) |
TW (1) | TWI409532B (ja) |
WO (1) | WO2008151980A1 (ja) |
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CN101779168A (zh) | 2010-07-14 |
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DE102007028371A1 (de) | 2009-01-22 |
WO2008151980A1 (de) | 2008-12-18 |
US8687252B2 (en) | 2014-04-01 |
CN101779168B (zh) | 2013-08-21 |
TW200918996A (en) | 2009-05-01 |
KR20100038101A (ko) | 2010-04-12 |
TWI409532B (zh) | 2013-09-21 |
KR101505927B1 (ko) | 2015-03-25 |
US20100195178A1 (en) | 2010-08-05 |
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