JP7456929B2 - 導波管セルを製造するためのシステムおよび方法 - Google Patents
導波管セルを製造するためのシステムおよび方法 Download PDFInfo
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- JP7456929B2 JP7456929B2 JP2020537551A JP2020537551A JP7456929B2 JP 7456929 B2 JP7456929 B2 JP 7456929B2 JP 2020537551 A JP2020537551 A JP 2020537551A JP 2020537551 A JP2020537551 A JP 2020537551A JP 7456929 B2 JP7456929 B2 JP 7456929B2
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Images
Classifications
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- 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
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- G02B6/12007—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings of the optical waveguide type of the integrated circuit kind forming wavelength selective elements, e.g. multiplexer, demultiplexer
- G02B6/12009—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings of the optical waveguide type of the integrated circuit kind forming wavelength selective elements, e.g. multiplexer, demultiplexer comprising arrayed waveguide grating [AWG] devices, i.e. with a phased array of waveguides
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- 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
- G02F1/1334—Constructional arrangements; Manufacturing methods based on polymer dispersed liquid crystals, e.g. microencapsulated liquid crystals
- G02F1/13342—Holographic polymer dispersed liquid crystals
-
- 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
-
- 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
- G03H1/02—Details of features involved during the holographic process; Replication of holograms without interference recording
- G03H1/024—Hologram nature or properties
- G03H1/0248—Volume holograms
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/10—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings of the optical waveguide type
- G02B6/12—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings of the optical waveguide type of the integrated circuit kind
- G02B2006/12083—Constructional arrangements
- G02B2006/12107—Grating
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/10—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings of the optical waveguide type
- G02B6/12—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings of the optical waveguide type of the integrated circuit kind
- G02B2006/12083—Constructional arrangements
- G02B2006/12116—Polariser; Birefringent
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/10—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings of the optical waveguide type
- G02B6/12—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings of the optical waveguide type of the integrated circuit kind
- G02B2006/12166—Manufacturing methods
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B2207/00—Coding scheme for general features or characteristics of optical elements and systems of subclass G02B, but not including elements and systems which would be classified in G02B6/00 and subgroups
- G02B2207/101—Nanooptics
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/18—Diffraction gratings
- G02B5/1866—Transmission gratings characterised by their structure, e.g. step profile, contours of substrate or grooves, pitch variations, materials
- G02B5/1871—Transmissive phase gratings
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/30—Polarising elements
- G02B5/3016—Polarising elements involving passive liquid crystal elements
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03H—HOLOGRAPHIC PROCESSES OR APPARATUS
- G03H2260/00—Recording materials or recording processes
- G03H2260/30—Details of photosensitive recording material not otherwise provided for
- G03H2260/34—Non uniform thickness
Description
本願は、第35 U.S.C. § 119(e)号に基づいて、「Method and Apparatus for Fabricating Holographic Gratings」と題され、2018年4月27日に出願された、米国仮特許出願第62/663,864号、「Low Haze Liquid Crystal Materials」と題され、2018年1月8日に出願された、米国仮特許出願第62/614,813号、「Liquid Crystal Materials and Formulations」と題され、2018年1月8日に出願された、米国仮特許出願第62/614,831号、「Methods for Fabricating Optical Waveguides」と題され、2018年1月8日に出願された、米国仮特許出願第62/614,932号、「Method and Apparatus for Copying a Diversity of Hologram Prescriptions from a Common Master」と題され、2018年5月7日に出願された、米国仮特許出願第62/667,891号、および「Systems and Methods for Fabricating a Multilayer Optical Structure」と題され、2018年7月25日に出願された、米国仮特許出願第62/703,329号の利益および優先権を主張する。米国仮特許出願第62/663,864号、第62/614,813号、第62/614,831号、第62/614,932号、第62/667,891号、および第62/703,329号の開示は、あらゆる目的のために、参照することによってその全体として本明細書に組み込まれる。
(技術分野)
導波管セル
格子構造
光学記録材料システム
・R. L. Sutherland et al., Chem. Mater. 5, 1533 (1993)(その開示が、参照することによって本明細書に組み込まれる)は、アクリレートポリマーおよび界面活性剤の使用を説明している。具体的には、レシピは、架橋多官能性アクリレートモノマー、連鎖延長剤N-ビニルピロリジノン、LC E7、光開始剤ローズベンガル、および共開始剤N-フェニルグリシンを含む。界面活性剤オクタン酸が、ある変形において添加された。
・Fontecchio et al., SID 00 Digest 774-776, 2000(その開示が、参照することによって本明細書に組み込まれる)は、多官能性アクリレートモノマー、LC、光開始剤、共開始剤、および連鎖停止剤を含む、反射型ディスプレイ用途のためのUV硬化性HPDLCを説明している。
・Y.H. Cho, et al., Polymer International, 48, 1085-1090, 1999(その開示が、参照することによって本明細書に組み込まれる)は、アクリレートを含むHPDLCレシピを開示している。
・Karasawa et al., Japanese Journal of Applied Physics, Vol. 36, 6388-6392, 1997(その開示が、参照することによって本明細書に組み込まれる)は、種々の官能状態のアクリレートを説明している。
・T.J. Bunning et al., Polymer Science: Part B: Polymer Physics, Vol. 35, 2825- 2833, 1997(その開示が、参照することによって本明細書に組み込まれる)もまた、多官能性アクリレートモノマーを説明している。
・G.S. Iannacchione et al., Europhysics Letters Vol. 36 (6). 425-430, 1996(その開示が、参照することによって本明細書に組み込まれる)は、ペンタアクリレートモノマーと、LCと、連鎖延長剤と、共開始剤と、光開始剤とを含む、PDLC混合物を説明している。
SおよびP偏光RMLCM材料の実施形態
ナノ粒子を組み込む混合物
モノマー官能性
導波管セルを製造するための作業セルクラスタ
調製作業セル
堆積作業セル
材料組成の変調
積層作業セル
Claims (15)
- 導波管セルを製造するための方法であって、
第1の基板を提供することと、
少なくとも1つの堆積ヘッドを使用して、光学記録材料の層を前記第1の基板上に堆積させることと、
前記光学記録材料の層をホログラフィック露光することと、を含み、
前記光学記録材料の層を前記第1の基板上に堆積させることは、
光学記録材料の第1の混合物を提供することと、
光学記録材料の第2の混合物を提供することと、
前記少なくとも1つの堆積ヘッドを使用して、格子領域を含む所定のパターンを生じさせるように前記光学記録材料の第1の混合物を前記第1の基板の第1の領域上に堆積させ前記光学記録材料の第2の混合物を前記第1の基板の第2の領域上に堆積させることと、を含み、
前記光学記録材料の第1の混合物は、前記光学記録材料の第2の混合物と異なる重量パーセンテージの液晶を有し、
前記格子領域にわたって堆積される前記光学記録材料は、ホログラフィック露光後に所定の格子特性を達成するように調合され、前記所定の格子特性は、ホログラフィック露光後に格子をもたらし、前記格子は、前記所定のパターンに応じて空間的に変動する回折効率を有する、方法。 - 第2の基板を提供することと、
前記第2の基板を前記光学記録材料の堆積層上に設置することと、
前記第1の基板、前記光学記録材料の層、および前記第2の基板を積層することと
をさらに含む請求項1に記載の方法。 - 前記光学記録材料の第1の混合物は、第1のビーズを含み、
前記光学記録材料の第2の混合物は、前記第1のビーズと異なるサイズである第2のビーズを含む、請求項1に記載の方法。 - 導波管セルを製造するための方法であって、
第1の基板を提供することと、
少なくとも1つの堆積ヘッドを使用して、光学記録材料の層を前記第1の基板上に堆積させることと、
前記光学記録材料の層をホログラフィック露光することと、を含み、
前記光学記録材料の層を前記第1の基板上に堆積させることは、
光学記録材料の第1の混合物を提供することと、
光学記録材料の第2の混合物を提供することと、
前記少なくとも1つの堆積ヘッドを使用して、格子領域と非格子領域とを含む所定のパターンにおいて前記光学記録材料の第1の混合物および前記光学記録材料の第2の混合物を前記第1の基板上に堆積させることと、を含み、
前記格子領域にわたって堆積される前記光学記録材料は、ホログラフィック露光後に所定の格子特性を達成するように調合され、前記所定の格子特性は、ホログラフィック露光後に格子をもたらし、前記格子は、前記所定のパターンに応じて空間的に変動する回折効率を有し、
前記光学記録材料の第1の混合物は、液晶と、モノマーとを含み、
前記光学記録材料の第2の混合物は、モノマーを含み、
前記光学記録材料の第1の混合物は、前記光学記録材料の第2の混合物と異なる重量パーセンテージの液晶を有し、
前記所定のパターンにおいて前記光学記録材料の第1の混合物および前記光学記録材料の第2の混合物を前記第1の基板上に堆積させることは、
前記格子領域にわたって前記光学記録材料の第1の混合物を堆積させることと、
前記非格子領域にわたって前記光学記録材料の第2の混合物を堆積させることと、を含む、方法。 - 前記光学記録材料の第1の混合物は、モノマーと液晶とを含むポリマー分散液晶混合物である、請求項1に記載の方法。
- 前記ポリマー分散液晶混合物は、ナノ粒子、スイッチング電圧を低減させるための添加剤、スイッチング時間を低減させるための添加剤、屈折率変調を増加させるための添加剤、およびヘイズを低減させるための添加剤から成る群から選択される添加剤を含む、請求項5に記載の方法。
- 前記少なくとも1つの堆積ヘッドは、少なくとも1つのインクジェット印刷ヘッドを備える、請求項1に記載の方法。
- 前記光学記録材料の層を堆積させることは、
光学記録材料の第1の混合物を提供することと、
光学記録材料の第2の混合物を提供することと、
少なくとも1つのインクジェット印刷ヘッドを使用して、前記光学記録材料の第1の混合物の第1のドットを印刷することと、
前記少なくとも1つのインクジェット印刷ヘッドを使用して、前記第1のドットに隣接して前記光学記録材料の第2の混合物の第2のドットを印刷することと
を含む、請求項6に記載の方法。 - 前記少なくとも1つのインクジェット印刷ヘッドは、第1のインクジェット印刷ヘッドと、第2のインクジェット印刷ヘッドとを備え、
前記光学記録材料の層を堆積させることは、
光学記録材料の第1の混合物を提供することと、
光学記録材料の第2の混合物を提供することと、
前記第1のインクジェット印刷ヘッドを使用して、前記光学記録材料の第1の混合物を前記第1の基板上に印刷することと、
前記第2のインクジェット印刷ヘッドを使用して、前記光学記録材料の第2の混合物を前記第1の基板上に印刷することと
を含む、請求項7に記載の方法。 - 前記所定の格子特性は、屈折率変調、屈折率、複屈折性、液晶ダイレクタ整合、および格子層厚さから成る群から選択される特性を含む、請求項1に記載の方法。
- 前記所定の格子特性は、屈折率変調、屈折率、複屈折性、液晶ダイレクタ整合、および格子層厚さから成る群から選択される特性の空間変動を含む、請求項1に記載の方法。
- 格子を加工するためのシステムであって、
ホログラフィックポリマー分散液晶混合物である光学記録材料の第1の混合物を含有する第1のリザーバおよび光学記録材料の第2の混合物を含有する第2のリザーバに接続される少なくとも1つの堆積ヘッドと、
格子を支持するための少なくとも1つの所定の領域を有する第1の基板と、
前記第1の基板を横断して前記少なくとも1つの堆積ヘッドを位置付けることが可能な位置付け要素と、
前記第1の基板を露光するためのホログラフィック露光装置と、を備え、
前記少なくとも1つの堆積ヘッドは、所定のパターンで前記光学記録材料の第1の混合物を前記第1の基板の第1の領域上に堆積させ、前記光学記録材料の第2の混合物を前記第1の基板の第2の領域上に堆積させるように構成され、
前記ホログラフィック露光装置は、前記光学記録材料の第1の混合物および前記光学記録材料の第2の混合物を前記第1の基板上に堆積させた後に前記第1の基板の少なくとも1つの所定の領域をホログラフィック露光するように構成され、
前記堆積された材料は、少なくとも1つの所定の格子領域内に所定の格子特性を提供し、
前記所定の格子特性は、ホログラフィック露光後に格子をもたらし、前記格子は、前記所定のパターンに応じて空間的に変動する回折効率を有し、
前記光学記録材料の第1の混合物は、前記光学記録材料の第2の混合物と異なる重量パーセンテージの液晶を有する、システム。 - 前記光学記録材料の第1の混合物は、液晶と、モノマーとを含み、前記光学記録材料の第2の混合物は、モノマーを含み、前記少なくとも1つの堆積ヘッドは、前記光学記録材料の第1の混合物を前記少なくとも1つの所定の格子領域上に堆積させるように構成される、請求項12に記載のシステム。
- 前記少なくとも1つの堆積ヘッドは、少なくとも1つのインクジェット印刷ヘッドを備える、請求項12に記載のシステム。
- 前記所定の格子特性は、屈折率変調、屈折率、複屈折性、液晶ダイレクタ整合、および格子層厚さから成る群から選択される特性を含む、請求項12に記載のシステム。
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