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1. 发明申请

WO2010055350A1 OPTICAL BEAM STEERING 审中-公开
标题翻译：光束转向
公开(公告)号：WO2010055350A1
公开(公告)日：2010-05-20
申请号：PCT/GB2009/051536
申请日：2009-11-13
申请人： CAMBRIDGE ENTERPRISE LIMITED , COLLINGS, Neil , CROSSLAND, William , REDMOND, Maura Michelle , MOORE, John Richard , NUGENT, David , ROBERTSON, Brian
发明人： COLLINGS, Neil , CROSSLAND, William , REDMOND, Maura Michelle , MOORE, John Richard , NUGENT, David , ROBERTSON, Brian
IPC分类号： G02F1/31 , G02F1/29 , H04Q11/00
CPC分类号： G02F1/31 , G02F1/136277 , G02F1/1393 , G02F1/292 , G02F2001/13355 , G02F2203/06 , G02F2203/585
摘要： The invention relates to optical beam steering. There is described an optical beam steering apparatus, comprising: a splitter arranged to split an optical beam into at least a first part having a first polarisation and a second part having a second polarisation, said first and second polarisations being substantially mutually orthogonal; a first liquid crystal device region arranged to receive said first part and to have director orientation substantially aligned to said first polarisation; and a second liquid crystal device region arranged to receive said second part and to have director orientation substantially aligned to said second polarisation.
摘要翻译：本发明涉及光束转向。描述了一种光束转向装置，包括：分离器，被布置成将光束分成至少具有第一偏振的第一部分和具有第二偏振的第二部分，所述第一和第二极化基本上相互正交; 布置成接收所述第一部分并且具有基本上与所述第一极化对准的导向器取向的第一液晶装置区域; 以及布置成接收所述第二部分并且具有基本上对准所述第二偏振的导向器取向的第二液晶装置区域。

2. 发明申请

WO2007132230A1 METHOD OF OPERATING AN OPTICALLY ADDRESSED SPATIAL LIGHT MODULATOR AND HOLOGRAPHIC DISPLAY SYSTEM 审中-公开
标题翻译：操作光学空间光调制器和全息显示系统的方法
公开(公告)号：WO2007132230A1
公开(公告)日：2007-11-22
申请号：PCT/GB2007/001784
申请日：2007-05-15
申请人： CAMBRIDGE UNIVERSITY TECHNICAL SERVICES LIMITED , TRUSHKEVYCH, Oksana , CROSSLAND, William, Alden , COLLINGS, Neil
发明人： TRUSHKEVYCH, Oksana , CROSSLAND, William, Alden , COLLINGS, Neil
IPC分类号： G02F1/133 , G09G3/36 , H04N5/74 , H04N9/31 , G02F1/137
CPC分类号： G03H1/2294 , G02F1/133362 , G02F1/13725 , G03H2001/2234 , G03H2225/25 , G09G3/002 , G09G3/36 , G09G2360/142 , H04N9/3129
摘要： A novel method of operating a transmissive OASLM (10) is described, in which writing light (18) is applied to a doped liquid crystal layer (15) after a precharge electrical pulse (31) is applied. Then a reading beam (19) is applied at the same time as an electrical potential (32) is applied. The OASLM (10) is described in the context of a holographic display (100).
摘要翻译：描述了一种操作透射OASLM（10）的新颖方法，其中在施加预充电电脉冲（31）之后，将写入光（18）施加到掺杂液晶层（15）。然后在施加电位（32）的同时施加读取光束（19）。在全息显示器（100）的上下文中描述OASLM（10）。

3. 发明申请

WO2012110811A3 APPARATUS AND METHODS FOR LIGHT BEAM ROUTING IN TELECOMMUNICATION 审中-公开
标题翻译：电子束光束路由装置及方法
公开(公告)号：WO2012110811A3
公开(公告)日：2012-11-22
申请号：PCT/GB2012050340
申请日：2012-02-15
申请人： CAMBRIDGE ENTPR LTD , COLLINGS NEIL , GEORGIOU ANDREAS , REDMOND MAURA MICHELLE , ROBERTSON BRIAN , CHU DAPING , LIU JINSONG , CROSSLAND WILLIAM AIDEN , MOORE JOHN RICHARD
发明人： COLLINGS NEIL , GEORGIOU ANDREAS , REDMOND MAURA MICHELLE , ROBERTSON BRIAN , CHU DAPING , LIU JINSONG , CROSSLAND WILLIAM AIDEN , MOORE JOHN RICHARD
IPC分类号： G02B6/35 , G03H1/08
CPC分类号： G03H1/0841 , G02B5/32 , G02B6/3558 , G02B6/3588 , G02F1/136277 , G03H1/0808 , G03H1/2294 , G03H2001/0816 , G03H2001/085 , G03H2210/44 , G03H2222/31 , G03H2225/32 , G03H2225/60 , G03H2226/02 , H04Q11/0005
摘要： We describe a LCOS (liquid crystal on silicon) telecommunications light beam routing device, the device comprising: an optical input; a plurality of optical outputs; a LCOS spatial light modulator (SLM) in an optical path between said input and said output, for displaying a kinoform; a data processor, coupled to said SLM, configured to provide kinoform data for displaying said kinoform on said SLM; wherein said kinoform data defines a kinoform which routes a beam from said optical input to a selected said optical output; wherein said data processor is configured to input routing data defining said selected optical output and to calculate said kinoform data for routing said beam responsive to said routing data; and wherein said data processor is configured to calculate said kinoform data by: determining an initial phase pattern for said kinoform; calculating a replay field of said phase pattern; modifying an amplitude component of said replay field to represent a target replay field for said beam routing, retaining a phase component of said replay field to provide an updated replay field; performing a space-frequency transform on said updated replay field to determine an updated phase pattern for said kinoform; and repeating said calculating and updating of said replay field and said performing of said space-frequency transform until said kinoform for display is determined; and outputting said kinoform data for display on said LCOS SLM.
摘要翻译：我们描述了LCOS（硅上液晶）通信光束路由设备，该设备包括：光输入; 多个光输出; 在所述输入和所述输出之间的光路中的LCOS空间光调制器（SLM），用于显示kinoform; 耦合到所述SLM的数据处理器，被配置为提供用于在所述SLM上显示所述kinoform的kinoform数据; 其中所述kinoform数据定义将来自所述光输入的光束路由到所选择的所述光输出的kinoform; 其中所述数据处理器被配置为输入定义所述选择的光输出的路由数据，并且计算所述kinoform数据以响应所述路由数据路由所述波束; 并且其中所述数据处理器被配置为通过以下步骤来计算所述kinoform数据：确定所述kinoform的初始相位模式; 计算所述相位图案的重放场; 修改所述重放场的幅度分量以表示所述波束路由的目标重播域，保留所述重播域的相位分量以提供更新的重播域; 对所述更新的重放字段执行空间频率变换以确定所述kinoform的更新的相位模式; 并且重复所述重放场的计算和更新以及所述执行所述空间 - 频率变换直到确定显示的所述kinoform为止; 并输出所述kinoform数据以便显示在所述LCOS SLM上。

4. 发明申请

WO2011042699A1 RF ELEMENT 审中-公开
标题翻译：射频元件
公开(公告)号：WO2011042699A1
公开(公告)日：2011-04-14
申请号：PCT/GB2010/001875
申请日：2010-10-06
申请人： CAMBRIDGE ENTERPRISE LIMITED , COLLINGS, Neil , CROSSLAND, William Alden , HAO, Yang
发明人： COLLINGS, Neil , CROSSLAND, William Alden , HAO, Yang
IPC分类号： H01Q1/44 , H01Q9/04
CPC分类号： H01Q9/0442 , H01Q1/44
摘要： An optically transparent radio frequency or microwave device has first and second optically-transparent conductive substrates. Each carries a respective optically- transparent conductive electrode, and an optically- transparent liquid crystal layer forming a dielectric between the electrodes. The dielectric properties of the liquid crystal layer are controlled by application of a variable bias between the electrodes, to vary a resonant frequency of the device.
摘要翻译：光学透明的射频或微波器件具有第一和第二光学透明导电衬底。每个都带有相应的光学透明导电电极和在电极之间形成电介质的光学透明液晶层。通过在电极之间施加可变偏压来控制液晶层的介电性能，以改变器件的谐振频率。

5. 发明申请

WO2007131649A1 METHOD OF FORMING AN IMAGE AND IMAGE PROJECTION DEVICE 审中-公开
标题翻译：形成图像和图像投影装置的方法
公开(公告)号：WO2007131649A1
公开(公告)日：2007-11-22
申请号：PCT/EP2007/003962
申请日：2007-05-04
申请人： CAMBRIDGE ENTERPRISE LIMITED , CHRISTMAS, Jamieson , COLLINGS, Neil , GEORGIOU, Andreas
发明人： CHRISTMAS, Jamieson , COLLINGS, Neil , GEORGIOU, Andreas
IPC分类号： G02B27/54 , H04N5/74
CPC分类号： G02B27/54 , G03H1/22 , G03H1/2249 , G03H1/2294 , G03H2001/0088 , G03H2001/2218 , G03H2001/2255 , G03H2001/264 , G03H2223/12 , G03H2225/32 , G03H2225/52 , H04N5/7441
摘要： A method of forming an image comprising providing a device for imparting respective phase-shifts to different regions of an incid¬ ent wavefront, wherein the phase shifts give rise to an image in a replay field, and causing zero-order light to be focused into a re¬ gion between the replay field and the device.
摘要翻译：一种形成图像的方法，包括提供用于对入射波阵面的不同区域赋予各个相移的装置，其中相移产生在重放场中的图像，并且使零级光聚焦成重播字段和设备之间的关系。

6. 发明申请

WO2005059881A3 APPARATUS AND METHOD FOR DISPLAYING A HOLOGRAPHIC VIDEO IMAGE SEQUENCE 审中-公开
标题翻译：用于显示全息视频图像序列的装置和方法
公开(公告)号：WO2005059881A3
公开(公告)日：2005-10-27
申请号：PCT/GB2004005257
申请日：2004-12-15
申请人： UNIV CAMBRIDGE TECH , CROSSLAND WILLIAM , COLLINGS NEIL , BUCKLEY EDWARD , CABLE ADRIAN , LAWRENCE NICHOLAS , MASH PETER , WILKINSON TIMOTHY
发明人： CROSSLAND WILLIAM , COLLINGS NEIL , BUCKLEY EDWARD , CABLE ADRIAN , LAWRENCE NICHOLAS , MASH PETER , WILKINSON TIMOTHY
IPC分类号： G03H1/08 , G03H1/22 , G03H1/32
CPC分类号： G03H1/2645 , G03H1/0808 , G03H1/0841 , G03H1/2205 , G03H1/2249 , G03H1/2286 , G03H1/2294 , G03H2001/0816 , G03H2001/085 , G03H2001/2215 , G03H2001/2218 , G03H2001/2231 , G03H2001/2255 , G03H2001/2271 , G03H2001/2297 , G03H2001/261 , G03H2001/306 , G03H2210/20 , G03H2210/30 , G03H2210/40 , G03H2210/454 , G03H2222/35 , G03H2223/13 , G03H2223/55 , G03H2225/25 , G03H2225/31 , G03H2225/32 , G03H2225/52 , G03H2225/55 , G03H2225/60 , G03H2225/61 , G03H2226/02 , G03H2240/41 , G03H2240/42 , G03H2240/51
摘要： A method of displaying a video image comprises receiving sequential image frames at a processor. Each image frame is processed to obtain a kinoform. A programmable diffractive element such as an SLM (206) represents the sequence of kinoforms allowing reproduction (208) of the image using a suitable illumination beam (200, 202).
摘要翻译：显示视频图像的方法包括在处理器处接收顺序图像帧。处理每个图像帧以获得kinoform。诸如SLM（206）的可编程衍射元件表示允许使用合适的照明光束（200,202）再现（208）图像的kinoform的序列。

7. 发明申请

WO2012123715A1 OPTICAL BEAM ROUTING APPARATUS AND METHODS 审中-公开
标题翻译：光束路由装置和方法
公开(公告)号：WO2012123715A1
公开(公告)日：2012-09-20
申请号：PCT/GB2012/050501
申请日：2012-03-07
申请人： CAMBRIDGE ENTERPRISE LIMITED , CHU, Daping , COLLINGS, Neil , CROSSLAND, William Alden , REDMOND, Maura Michelle , ROBERTSON, Brian
发明人： CHU, Daping , COLLINGS, Neil , CROSSLAND, William Alden , REDMOND, Maura Michelle , ROBERTSON, Brian
IPC分类号： G02F1/29 , G03H1/00
CPC分类号： H04Q11/0005 , G02F1/292 , G02F2203/12 , G02F2203/18 , G03H1/0005 , G03H1/2294 , G03H2225/32 , H04J14/0212 , H04L45/62 , H04Q2011/0016
摘要： This invention relates to methods and apparatus for routing light beams in telecommunications devices using holographic techniques, in particular by displaying kinoforms on LCOS (Liquid Crystal on Silicon) devices. Thus we describe optical beam routing apparatus comprising: at least one optical input to receive an input beam; a plurality of optical outputs; a spatial light modulator (SLM) on an optical path between said optical input and said optical outputs; and a driver for said SLM to display a kinoform on said SLM to diffract said input beam into an output beam comprising a plurality of diffraction orders, wherein a routed one of said diffraction orders is directed to at least one selected said optical output; wherein said apparatus is configured to modify a wavefront of said output beam to reduce a coupling of said output beam into said selected optical output; and wherein said kinoform is adapted to compensate for said wavefront modification to compensate for said reduced coupling and thereby to reduce a coupling of other diffracted light from said input beam into others of said optical outputs than said at least one selected optical output.
摘要翻译：本发明涉及使用全息技术在电信设备中布置光束的方法和装置，特别是通过在LCOS（硅晶体）器件上显示基诺型。因此，我们描述光束路由设备，包括：至少一个光输入端，用于接收输入光束; 多个光输出; 在所述光输入和所述光输出之间的光路上的空间光调制器（SLM）; 以及用于所述SLM的驱动器，用于在所述SLM上显示kinoform，以将所述输入光束衍射成包括多个衍射级的输出光束，其中所述衍射级中的一个所述衍射级指向至少一个所选择的所述光学输出; 其中所述装置被配置为修改所述输出光束的波前以减少所述输出光束到所述选择的光输出中的耦合; 并且其中所述kinoform适于补偿所述波前修正以补偿所述减小的耦合，从而减少来自所述输入光束的其它衍射光与所述至少一个所选择的光输出的耦合。

8. 发明申请

WO2012110811A2 APPARATUS AND METHODS 审中-公开
标题翻译：装置和方法
公开(公告)号：WO2012110811A2
公开(公告)日：2012-08-23
申请号：PCT/GB2012/050340
申请日：2012-02-15
申请人： CAMBRIDGE ENTERPRISE LIMITED , COLLINGS, Neil , GEORGIOU, Andreas , REDMOND, Maura Michelle , ROBERTSON, Brian , CHU, Daping , LIU, Jinsong , CROSSLAND, William Aiden , MOORE, John Richard
发明人： COLLINGS, Neil , GEORGIOU, Andreas , REDMOND, Maura Michelle , ROBERTSON, Brian , CHU, Daping , LIU, Jinsong , CROSSLAND, William Aiden , MOORE, John Richard
IPC分类号： G02B6/35 , G03H1/08
CPC分类号： G03H1/0841 , G02B5/32 , G02B6/3558 , G02B6/3588 , G02F1/136277 , G03H1/0808 , G03H1/2294 , G03H2001/0816 , G03H2001/085 , G03H2210/44 , G03H2222/31 , G03H2225/32 , G03H2225/60 , G03H2226/02 , H04Q11/0005
摘要： We describe a LCOS (liquid crystal on silicon) telecommunications light beam routing device, the device comprising: an optical input; a plurality of optical outputs; a LCOS spatial light modulator (SLM) in an optical path between said input and said output, for displaying a kinoform; a data processor, coupled to said SLM, configured to provide kinoform data for displaying said kinoform on said SLM; wherein said kinoform data defines a kinoform which routes a beam from said optical input to a selected said optical output; wherein said data processor is configured to input routing data defining said selected optical output and to calculate said kinoform data for routing said beam responsive to said routing data; and wherein said data processor is configured to calculate said kinoform data by: determining an initial phase pattern for said kinoform; calculating a replay field of said phase pattern; modifying an amplitude component of said replay field to represent a target replay field for said beam routing, retaining a phase component of said replay field to provide an updated replay field; performing a space-frequency transform on said updated replay field to determine an updated phase pattern for said kinoform; and repeating said calculating and updating of said replay field and said performing of said space-frequency transform until said kinoform for display is determined; and outputting said kinoform data for display on said LCOS SLM.
摘要翻译：我们描述了LCOS（硅上液晶）通信光束路由设备，该设备包括：光输入; 多个光输出; 在所述输入和所述输出之间的光路中的LCOS空间光调制器（SLM），用于显示kinoform; 耦合到所述SLM的数据处理器，被配置为提供用于在所述SLM上显示所述kinoform的kinoform数据; 其中所述kinoform数据定义将来自所述光输入的光束路由到所选择的所述光输出的kinoform; 其中所述数据处理器被配置为输入定义所述选择的光输出的路由数据，并且计算所述kinoform数据以响应所述路由数据路由所述波束; 并且其中所述数据处理器被配置为通过以下步骤来计算所述kinoform数据：确定所述kinoform的初始相位模式; 计算所述相位图案的重放场; 修改所述重放场的幅度分量以表示所述波束路由的目标重播域，保留所述重播域的相位分量以提供更新的重播域; 对所述更新的重放字段执行空间频率变换以确定所述kinoform的更新的相位模式; 并且重复所述重放场的计算和更新以及所述执行所述空间 - 频率变换直到确定显示的所述kinoform为止; 并输出所述kinoform数据以便显示在所述LCOS SLM上。

9. 发明申请

WO2010055351A1 OPTICAL BEAM STEERING 审中-公开
标题翻译：光束转向
公开(公告)号：WO2010055351A1
公开(公告)日：2010-05-20
申请号：PCT/GB2009/051537
申请日：2009-11-13
申请人： CAMBRIDGE ENTERPRISE LIMITED , COLLINGS, Neil , CROSSLAND, William , REDMOND, Maura Michelle , NUGENT, David , ROBERTSON, Brian
发明人： COLLINGS, Neil , CROSSLAND, William , REDMOND, Maura Michelle , NUGENT, David , ROBERTSON, Brian
IPC分类号： G02F1/295 , G02F1/313 , G02B6/35
CPC分类号： G02F1/295 , G02F1/136277 , G02F1/313 , G02F2203/585 , Y10T29/49826
摘要： This invention generally relates to an optical beam steering apparatus and a method of manufacturing an optical beam steering apparatus, and more particularly to an optical add drop multiplexer (OADM) such as a reconfigurable OADM (ROADM) comprising the optical beam steering apparatus. In one embodiment, the apparatus comprises a slab and a plurality of optical elements in or on a first surface of said slab, the plurality of optical elements including at least one liquid crystal on silicon element, the apparatus being arranged such that at least one optical beam can propagate freely in the slab from one of said plurality of optical elements to another one of said plurality of optical elements via a reflection from a second surface of the optical beam steering apparatus.
摘要翻译：本发明一般涉及一种光束转向装置和一种制造光束转向装置的方法，更具体地说，涉及包括光束转向装置的诸如可重构OADM（ROADM）的光分插复用器（OADM）。在一个实施例中，该设备包括在所述板的第一表面中或上的多个光学元件中的平板和多个光学元件，所述多个光学元件包括硅元件上的至少一个液晶，所述设备被布置成使得至少一个光学光束可以通过来自光束转向装置的第二表面的反射，在所述板坯中自由地从所述多个光学元件之一自由地传播到所述多个光学元件中的另一个。

10. 发明申请

WO2007122409A1 LIQUID CRYSTAL DEVICES 审中-公开
标题翻译：液晶装置
公开(公告)号：WO2007122409A1
公开(公告)日：2007-11-01
申请号：PCT/GB2007/001488
申请日：2007-04-24
申请人： CAMBRIDGE ENTERPRISE LIMITED , CROSSLAND, William, Alden , COLLINGS, Neil , ROBERTSON, Paul, Andrew
发明人： CROSSLAND, William, Alden , COLLINGS, Neil , ROBERTSON, Paul, Andrew
IPC分类号： G02F1/137
CPC分类号： G02F1/13725 , B82Y20/00 , G02F2202/36 , G02F2203/13 , H01P1/19
摘要： An electrical component comprising a substrate (30) carrying a LC cell (10) wherein the LC cell (10) comprises liquid crystal material (20) containing anisotropic particles (25), at least one conductive member (36) disposed on the substrate (30) and at least one conductive member (34) disposed over the LC cell (10), and means for affecting the alignment of the anisotropic particles (25) whereby the permittivity between the conductive members (34, 36) is varied.
摘要翻译：一种电气部件，包括承载LC电池（10）的衬底（30），其中所述LC电池（10）包括含有各向异性颗粒（25）的液晶材料（20），设置在所述衬底上的至少一个导电构件（36） 30）和设置在LC单元（10）之上的至少一个导电构件（34），以及用于影响各向异性颗粒（25）的对准的装置，由此改变导电构件（34,36）之间的介电常数。

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