JP4365680B2 - 波長選択光スイッチ - Google Patents

波長選択光スイッチ Download PDF

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Publication number
JP4365680B2
JP4365680B2 JP2003534981A JP2003534981A JP4365680B2 JP 4365680 B2 JP4365680 B2 JP 4365680B2 JP 2003534981 A JP2003534981 A JP 2003534981A JP 2003534981 A JP2003534981 A JP 2003534981A JP 4365680 B2 JP4365680 B2 JP 4365680B2
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JP
Japan
Prior art keywords
wavelength
polarization
switch
input
dependent
Prior art date
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Expired - Lifetime
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JP2003534981A
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English (en)
Japanese (ja)
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JP2005505022A (ja
JP2005505022A5 (enExample
Inventor
コーヘン、ジル
シルバーバーグ、ヤーロン
コレム、ヨッシー
Original Assignee
エクステルス インコーポレイテッド
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Publication of JP2005505022A5 publication Critical patent/JP2005505022A5/ja
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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04QSELECTING
    • H04Q11/00Selecting arrangements for multiplex systems
    • H04Q11/0001Selecting arrangements for multiplex systems using optical switching
    • H04Q11/0005Switch and router aspects
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/24Coupling light guides
    • G02B6/26Optical coupling means
    • G02B6/27Optical coupling means with polarisation selective and adjusting means
    • G02B6/2706Optical coupling means with polarisation selective and adjusting means as bulk elements, i.e. free space arrangements external to a light guide, e.g. polarising beam splitters
    • G02B6/2713Optical coupling means with polarisation selective and adjusting means as bulk elements, i.e. free space arrangements external to a light guide, e.g. polarising beam splitters cascade of polarisation selective or adjusting operations
    • G02B6/272Optical coupling means with polarisation selective and adjusting means as bulk elements, i.e. free space arrangements external to a light guide, e.g. polarising beam splitters cascade of polarisation selective or adjusting operations comprising polarisation means for beam splitting and combining
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/24Coupling light guides
    • G02B6/26Optical coupling means
    • G02B6/27Optical coupling means with polarisation selective and adjusting means
    • G02B6/2753Optical coupling means with polarisation selective and adjusting means characterised by their function or use, i.e. of the complete device
    • G02B6/2766Manipulating the plane of polarisation from one input polarisation to another output polarisation, e.g. polarisation rotators, linear to circular polarisation converters
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/24Coupling light guides
    • G02B6/26Optical coupling means
    • G02B6/28Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals
    • G02B6/293Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals with wavelength selective means
    • G02B6/29304Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals with wavelength selective means operating by diffraction, e.g. grating
    • G02B6/29305Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals with wavelength selective means operating by diffraction, e.g. grating as bulk element, i.e. free space arrangement external to a light guide
    • G02B6/2931Diffractive element operating in reflection
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/24Coupling light guides
    • G02B6/26Optical coupling means
    • G02B6/28Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals
    • G02B6/293Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals with wavelength selective means
    • G02B6/29304Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals with wavelength selective means operating by diffraction, e.g. grating
    • G02B6/29305Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals with wavelength selective means operating by diffraction, e.g. grating as bulk element, i.e. free space arrangement external to a light guide
    • G02B6/29311Diffractive element operating in transmission
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/24Coupling light guides
    • G02B6/26Optical coupling means
    • G02B6/28Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals
    • G02B6/293Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals with wavelength selective means
    • G02B6/29304Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals with wavelength selective means operating by diffraction, e.g. grating
    • G02B6/29305Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals with wavelength selective means operating by diffraction, e.g. grating as bulk element, i.e. free space arrangement external to a light guide
    • G02B6/29313Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals with wavelength selective means operating by diffraction, e.g. grating as bulk element, i.e. free space arrangement external to a light guide characterised by means for controlling the position or direction of light incident to or leaving the diffractive element, e.g. for varying the wavelength response
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/24Coupling light guides
    • G02B6/26Optical coupling means
    • G02B6/28Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals
    • G02B6/293Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals with wavelength selective means
    • G02B6/29379Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals with wavelength selective means characterised by the function or use of the complete device
    • G02B6/2938Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals with wavelength selective means characterised by the function or use of the complete device for multiplexing or demultiplexing, i.e. combining or separating wavelengths, e.g. 1xN, NxM
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/24Coupling light guides
    • G02B6/26Optical coupling means
    • G02B6/28Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals
    • G02B6/293Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals with wavelength selective means
    • G02B6/29379Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals with wavelength selective means characterised by the function or use of the complete device
    • G02B6/29395Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals with wavelength selective means characterised by the function or use of the complete device configurable, e.g. tunable or reconfigurable
    • GPHYSICS
    • G02OPTICS
    • G02FOPTICAL 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
    • G02F1/00Devices 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
    • G02F1/29Devices 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 position or the direction of light beams, i.e. deflection
    • G02F1/31Digital deflection, i.e. optical switching
    • GPHYSICS
    • G02OPTICS
    • G02FOPTICAL 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
    • G02F1/00Devices 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
    • G02F1/01Devices 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 
    • G02F1/13Devices 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
    • G02F1/1326Liquid crystal optical waveguides or liquid crystal cells specially adapted for gating or modulating between optical waveguides
    • GPHYSICS
    • G02OPTICS
    • G02FOPTICAL 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
    • G02F2203/00Function characteristic
    • G02F2203/05Function characteristic wavelength dependent
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04QSELECTING
    • H04Q11/00Selecting arrangements for multiplex systems
    • H04Q11/0001Selecting arrangements for multiplex systems using optical switching
    • H04Q11/0005Switch and router aspects
    • H04Q2011/0007Construction
    • H04Q2011/0024Construction using space switching
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04QSELECTING
    • H04Q11/00Selecting arrangements for multiplex systems
    • H04Q11/0001Selecting arrangements for multiplex systems using optical switching
    • H04Q11/0005Switch and router aspects
    • H04Q2011/0007Construction
    • H04Q2011/0035Construction using miscellaneous components, e.g. circulator, polarisation, acousto/thermo optical

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Nonlinear Science (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Liquid Crystal (AREA)
JP2003534981A 2001-10-09 2002-06-25 波長選択光スイッチ Expired - Lifetime JP4365680B2 (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US32768001P 2001-10-09 2001-10-09
PCT/IL2002/000511 WO2003032071A1 (en) 2001-10-09 2002-06-25 Wavelength selective optical switch

Publications (3)

Publication Number Publication Date
JP2005505022A JP2005505022A (ja) 2005-02-17
JP2005505022A5 JP2005505022A5 (enExample) 2005-12-22
JP4365680B2 true JP4365680B2 (ja) 2009-11-18

Family

ID=23277568

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2003534981A Expired - Lifetime JP4365680B2 (ja) 2001-10-09 2002-06-25 波長選択光スイッチ

Country Status (4)

Country Link
US (1) US7468840B2 (enExample)
EP (1) EP1436667B1 (enExample)
JP (1) JP4365680B2 (enExample)
WO (1) WO2003032071A1 (enExample)

Families Citing this family (67)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8457501B2 (en) * 2000-11-03 2013-06-04 Altera Corporation Reduction of polarization-dependent loss in double-pass grating configurations
US7609731B2 (en) * 2001-01-30 2009-10-27 Board Of Trustees Operating Michigan State University Laser system using ultra-short laser pulses
US7973936B2 (en) * 2001-01-30 2011-07-05 Board Of Trustees Of Michigan State University Control system and apparatus for use with ultra-fast laser
US7583710B2 (en) * 2001-01-30 2009-09-01 Board Of Trustees Operating Michigan State University Laser and environmental monitoring system
US7450618B2 (en) * 2001-01-30 2008-11-11 Board Of Trustees Operating Michigan State University Laser system using ultrashort laser pulses
US8208505B2 (en) * 2001-01-30 2012-06-26 Board Of Trustees Of Michigan State University Laser system employing harmonic generation
US7567596B2 (en) * 2001-01-30 2009-07-28 Board Of Trustees Of Michigan State University Control system and apparatus for use with ultra-fast laser
GB0121308D0 (en) 2001-09-03 2001-10-24 Thomas Swan & Company Ltd Optical processing
JP2005505795A (ja) * 2001-10-17 2005-02-24 リソ ナショナル ラボラトリー 電磁場変換システム
US7092594B2 (en) * 2003-03-31 2006-08-15 Fujitsu Limited Wavelength selector switch
WO2004099822A2 (en) 2003-05-09 2004-11-18 Xtellus Inc. Optical devices with cascaded liquid crystal elements
US7072113B2 (en) * 2003-10-07 2006-07-04 Rene Helbing Wavelength selective switching device and method for selectively transmitting optical signals based on wavelength
US7336907B2 (en) * 2003-10-31 2008-02-26 Texas Instruments Incorporated Optical assembly having cylindrical lenses and related method of modulating optical signals
US7277640B2 (en) * 2003-11-18 2007-10-02 Avago Technologies Fiber Ip (Singapore) Pte Ltd Optical add/drop multiplexing systems
AU2003286387A1 (en) * 2003-11-26 2005-06-17 Xtellus Inc. Single-pole optical wavelength selector
JP4448721B2 (ja) * 2004-03-29 2010-04-14 富士通株式会社 波長分波ユニット
US7304735B2 (en) * 2004-04-02 2007-12-04 Kla-Tencor Technologies Broadband wavelength selective filter
US7397980B2 (en) * 2004-06-14 2008-07-08 Optium Australia Pty Limited Dual-source optical wavelength processor
JP4170298B2 (ja) * 2005-01-31 2008-10-22 富士通株式会社 差分4位相偏移変調方式に対応した光受信器および光受信方法
EP1851532A1 (en) * 2005-02-14 2007-11-07 Board of Trustees of Michigan State University Ultra-fast laser system
US7454100B2 (en) 2005-05-19 2008-11-18 Xtellus, Inc. Single-pole optical wavelength selector
US9103991B2 (en) 2005-09-08 2015-08-11 Finisar Corporation Multi-pole optical signal switch
US7162118B1 (en) * 2005-10-25 2007-01-09 Jds Uniphase Inc. Dual optical switch
US8618470B2 (en) * 2005-11-30 2013-12-31 Board Of Trustees Of Michigan State University Laser based identification of molecular characteristics
US7286730B2 (en) * 2006-03-15 2007-10-23 Avanex Corporation Optical switch having angle tuning elements and multiple-fiber collimators
US9018562B2 (en) * 2006-04-10 2015-04-28 Board Of Trustees Of Michigan State University Laser material processing system
US20090207869A1 (en) * 2006-07-20 2009-08-20 Board Of Trustees Of Michigan State University Laser plasmonic system
US7602554B2 (en) * 2006-12-28 2009-10-13 Canon Kabushiki Kaisha Optical scanning apparatus
US8203691B2 (en) * 2007-03-08 2012-06-19 Oclaro (North America), Inc. High extinction ratio liquid crystal optical switch
US8094982B2 (en) * 2007-03-08 2012-01-10 Oclaro (North America), Inc. Fiber lens assembly for optical device
US20080260390A1 (en) * 2007-04-18 2008-10-23 Giovanni Barbarossa Bistable liquid crystal optical device
US7894722B2 (en) * 2007-05-01 2011-02-22 Oclaro (North America), Inc. Packaged optical device stack
JP2009042557A (ja) * 2007-08-09 2009-02-26 Nippon Telegr & Teleph Corp <Ntt> 波長選択スイッチ
WO2009086122A2 (en) 2007-12-21 2009-07-09 Board Of Trustees Of Michigan State University Control in ultrashort laser systems by a deformable mirror in the stretcher
EP2211430A3 (en) * 2009-01-23 2015-05-27 Board of Trustees of Michigan State University Laser autocorrelation system
US8861075B2 (en) 2009-03-05 2014-10-14 Board Of Trustees Of Michigan State University Laser amplification system
US8526830B2 (en) 2009-07-27 2013-09-03 Finisar Corporation High bandwidth demodulator system and method
US8923667B2 (en) 2010-02-12 2014-12-30 Finisar Corporation Wavelength selective switch with multiple input/output ports
US8630322B2 (en) * 2010-03-01 2014-01-14 Board Of Trustees Of Michigan State University Laser system for output manipulation
US8854629B2 (en) 2010-11-17 2014-10-07 Finisar Corporation Optical coherence tomography system and method
US8854597B2 (en) 2011-03-16 2014-10-07 Finisar Corporation Wavelength selective switch
US9250355B2 (en) * 2011-04-06 2016-02-02 Futurwei Technologies, Inc. Device and method for optical beam combination
EP2520957B1 (en) 2011-05-06 2017-02-01 Finisar Corporation Optical Channel Monitor
US8891562B2 (en) 2011-05-06 2014-11-18 Finisar Corporation Tuneable laser source
JP5838532B2 (ja) * 2011-06-15 2016-01-06 国立研究開発法人情報通信研究機構 波長選択偏波制御器
US8867917B2 (en) 2011-06-27 2014-10-21 Finisar Corporation Optical wavelength selective switch calibration system
US9065707B2 (en) 2011-09-15 2015-06-23 Finisar Corporation Polarization-independent LCOS device
US8830581B2 (en) * 2011-09-20 2014-09-09 Corning Incorporated Broadband polarization switching
US9046657B2 (en) 2011-12-22 2015-06-02 Finisar Corporation Systems and methods for reducing off-axis optical aberrations in wavelength dispersed devices
US9008470B2 (en) 2012-01-30 2015-04-14 Huawei Technologies Co., Ltd. Method and apparatus for wavelength selective switch
US8867016B2 (en) 2012-03-12 2014-10-21 Oplink Communications, Inc. Wavelength selective switch
US8867580B2 (en) * 2012-05-15 2014-10-21 Finisar Corporation Wavelength tunable laser
GB2504970A (en) 2012-08-15 2014-02-19 Swan Thomas & Co Ltd Optical device and methods to reduce cross-talk
US10267994B2 (en) * 2012-10-16 2019-04-23 INLC Technology, Inc. Wavelength selective switch including a liquid crystal on silicon
US9432750B1 (en) * 2013-04-19 2016-08-30 Wavexing, Inc. Contentionless N×M wavelength cross connect
US9490895B2 (en) 2013-09-20 2016-11-08 Finisar Corporation Ultrafast high resolution optical channel monitor
CN104570220B (zh) * 2013-10-10 2018-04-03 菲尼萨公司 波分复用器阵列
US9588299B2 (en) * 2014-01-29 2017-03-07 Oplink Communications, Inc. 2×2 wavelength selective switch array
JP6251202B2 (ja) * 2015-01-27 2017-12-20 日本電信電話株式会社 波長選択スイッチ
US9661406B2 (en) 2015-02-09 2017-05-23 Nistica, Inc. Multipoint, contentionless wavelength selective switch (WSS)
US9521474B2 (en) * 2015-02-10 2016-12-13 INLC Technology, Inc. Wavelength selective switch having multi-layer reflector
WO2018068038A1 (en) * 2016-10-07 2018-04-12 Oplink Communications, Llc Wavelength selective switch
US10367596B1 (en) * 2017-05-23 2019-07-30 Ii-Vi Delaware, Inc. Multiple wavelength selective switch with shared switch
EP3864464B1 (en) * 2018-10-09 2023-07-19 Soreq Nuclear Research Center Broadband faraday rotator
US11906823B2 (en) 2021-04-20 2024-02-20 Ii-Vi Delaware, Inc. Reconfigurable port arrays for wavelength selectable switch
US11934014B1 (en) * 2022-11-01 2024-03-19 Fu Jen Catholic University Color-light generation system and method of using the same
CN119024580B (zh) * 2024-09-27 2025-10-17 华中科技大学 一种全光调制的双波长单通光开关实现系统

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5414540A (en) * 1993-06-01 1995-05-09 Bell Communications Research, Inc. Frequency-selective optical switch employing a frequency dispersive element, polarization dispersive element and polarization modulating elements
US6327019B1 (en) * 1997-02-07 2001-12-04 Tellium, Inc. Dual liquid-crystal wavelength-selective optical switch
US6445847B1 (en) * 1999-02-24 2002-09-03 Lucent Technologies Inc. Apparatus and method for achieving a smooth spectral response optical filter
US6285500B1 (en) * 1999-06-29 2001-09-04 Corning Incorporated Wavelength selective switch
US6606197B2 (en) * 2000-03-28 2003-08-12 Corning Incorporated Dual grating filtering system
US6594082B1 (en) * 2000-06-05 2003-07-15 Avanex Corporation Optical wavelength router using reflective surfaces to direct output signals
US6529307B1 (en) * 2000-06-05 2003-03-04 Avanex Corporation Selective intensity modulation of channels in a multiplexed optical communication system
US6532318B1 (en) * 2000-10-18 2003-03-11 Corning Incorporated Symmetric wavelength selective switch for interconnecting two WDM rings

Also Published As

Publication number Publication date
JP2005505022A (ja) 2005-02-17
EP1436667B1 (en) 2015-08-12
US20050036202A1 (en) 2005-02-17
EP1436667A1 (en) 2004-07-14
US7468840B2 (en) 2008-12-23
WO2003032071A1 (en) 2003-04-17

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