EP1546779A4 - METHOD AND DEVICE FOR DETECTING MULTIPLE OPTICAL WAVELENGTHS - Google Patents
METHOD AND DEVICE FOR DETECTING MULTIPLE OPTICAL WAVELENGTHSInfo
- Publication number
- EP1546779A4 EP1546779A4 EP03762098A EP03762098A EP1546779A4 EP 1546779 A4 EP1546779 A4 EP 1546779A4 EP 03762098 A EP03762098 A EP 03762098A EP 03762098 A EP03762098 A EP 03762098A EP 1546779 A4 EP1546779 A4 EP 1546779A4
- Authority
- EP
- European Patent Office
- Prior art keywords
- multiple optical
- optical wave
- wave lengths
- detecting multiple
- detecting
- Prior art date
- Legal status (The legal status 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 status listed.)
- Withdrawn
Links
- 230000003287 optical effect Effects 0.000 title 1
Classifications
-
- 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
- G02B6/02—Optical fibres with cladding with or without a coating
-
- 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
- G02B6/24—Coupling light guides
- G02B6/26—Optical coupling means
- G02B6/28—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals
- G02B6/293—Optical 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
- G02B6/29304—Optical 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
- G02B6/29316—Light guides comprising a diffractive element, e.g. grating in or on the light guide such that diffracted light is confined in the light guide
- G02B6/29323—Coupling to or out of the diffractive element through the lateral surface of the light guide
-
- 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
- G02B6/02—Optical fibres with cladding with or without a coating
- G02B6/02057—Optical fibres with cladding with or without a coating comprising gratings
- G02B6/02061—Grating external to the fibre and in contact with the fibre, e.g. evanescently coupled, gratings applied to the fibre end
-
- 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
- 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
-
- 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
- G02B6/24—Coupling light guides
- G02B6/26—Optical coupling means
- G02B6/28—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals
- G02B6/293—Optical 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
-
- 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
- G02B6/24—Coupling light guides
- G02B6/26—Optical coupling means
- G02B6/28—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals
- G02B6/293—Optical 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
- G02B6/29331—Optical 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 evanescent wave coupling
- G02B6/29332—Wavelength selective couplers, i.e. based on evanescent coupling between light guides, e.g. fused fibre couplers with transverse coupling between fibres having different propagation constant wavelength dependency
- G02B6/29334—Grating-assisted evanescent light guide couplers, i.e. comprising grating at or functionally associated with the coupling region between the light guides, e.g. with a grating positioned where light fields overlap in the coupler
-
- 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
- G02B6/24—Coupling light guides
- G02B6/26—Optical coupling means
- G02B6/28—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals
- G02B6/293—Optical 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
- G02B6/29379—Optical 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
- G02B6/2938—Optical 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
- G02B6/29382—Optical 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 including at least adding or dropping a signal, i.e. passing the majority of signals
- G02B6/29383—Adding and dropping
-
- 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
- G02B6/24—Coupling light guides
- G02B6/26—Optical coupling means
- G02B6/28—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals
- G02B6/293—Optical 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
- G02B6/29379—Optical 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
- G02B6/29391—Power equalisation of different channels, e.g. power flattening
-
- 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
- G02F1/015—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 semiconductor elements having potential barriers, e.g. having a PN or PIN junction
- G02F1/025—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 semiconductor elements having potential barriers, e.g. having a PN or PIN junction in an optical waveguide structure
-
- 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
- G02F1/061—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 electro-optical organic material
- G02F1/065—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 electro-optical organic material in an optical waveguide structure
-
- 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
- G02B6/02—Optical fibres with cladding with or without a coating
- G02B6/02057—Optical fibres with cladding with or without a coating comprising gratings
- G02B6/02076—Refractive index modulation gratings, e.g. Bragg gratings
- G02B6/0208—Refractive index modulation gratings, e.g. Bragg gratings characterised by their structure, wavelength response
- G02B6/02085—Refractive index modulation gratings, e.g. Bragg gratings characterised by their structure, wavelength response characterised by the grating profile, e.g. chirped, apodised, tilted, helical
-
- 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
- G02B6/02—Optical fibres with cladding with or without a coating
- G02B6/02057—Optical fibres with cladding with or without a coating comprising gratings
- G02B6/02076—Refractive index modulation gratings, e.g. Bragg gratings
- G02B6/02123—Refractive index modulation gratings, e.g. Bragg gratings characterised by the method of manufacture of the grating
- G02B6/02147—Point by point fabrication, i.e. grating elements induced one step at a time along the fibre, e.g. by scanning a laser beam, arc discharge scanning
-
- 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
- G02B6/02—Optical fibres with cladding with or without a coating
- G02B6/02057—Optical fibres with cladding with or without a coating comprising gratings
- G02B6/02076—Refractive index modulation gratings, e.g. Bragg gratings
- G02B6/02123—Refractive index modulation gratings, e.g. Bragg gratings characterised by the method of manufacture of the grating
- G02B6/02152—Refractive index modulation gratings, e.g. Bragg gratings characterised by the method of manufacture of the grating involving moving the fibre or a manufacturing element, stretching of the fibre
-
- 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
- G02B6/02—Optical fibres with cladding with or without a coating
- G02B6/02057—Optical fibres with cladding with or without a coating comprising gratings
- G02B6/02076—Refractive index modulation gratings, e.g. Bragg gratings
- G02B6/02195—Refractive index modulation gratings, e.g. Bragg gratings characterised by means for tuning the 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
- G02B6/24—Coupling light guides
- G02B6/26—Optical coupling means
- G02B6/28—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals
- G02B6/293—Optical 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
- G02B6/29304—Optical 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
- G02B6/29316—Light guides comprising a diffractive element, e.g. grating in or on the light guide such that diffracted light is confined in the light guide
- G02B6/29317—Light guides of the optical fibre type
- G02B6/29319—With a cascade of diffractive elements or of diffraction operations
-
- 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
- G02B6/24—Coupling light guides
- G02B6/26—Optical coupling means
- G02B6/28—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals
- G02B6/293—Optical 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
- G02B6/29304—Optical 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
- G02B6/29316—Light guides comprising a diffractive element, e.g. grating in or on the light guide such that diffracted light is confined in the light guide
- G02B6/29317—Light guides of the optical fibre type
- G02B6/29322—Diffractive elements of the tunable type
-
- 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
- G02B6/24—Coupling light guides
- G02B6/26—Optical coupling means
- G02B6/28—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals
- G02B6/293—Optical 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
- G02B6/29379—Optical 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
- G02B6/29395—Optical 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
-
- 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
- G02F2201/00—Constructional arrangements not provided for in groups G02F1/00 - G02F7/00
- G02F2201/30—Constructional arrangements not provided for in groups G02F1/00 - G02F7/00 grating
- G02F2201/307—Reflective grating, i.e. Bragg grating
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Nonlinear Science (AREA)
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Optical Communication System (AREA)
- Optical Integrated Circuits (AREA)
Applications Claiming Priority (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US39230602P | 2002-06-27 | 2002-06-27 | |
US392306P | 2002-06-27 | ||
US39320902P | 2002-07-01 | 2002-07-01 | |
US393209P | 2002-07-01 | ||
PCT/US2003/020237 WO2004003598A2 (en) | 2002-06-27 | 2003-06-27 | Method and apparatus for detecting multiple optical wave lengths |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1546779A2 EP1546779A2 (en) | 2005-06-29 |
EP1546779A4 true EP1546779A4 (en) | 2009-09-02 |
Family
ID=30003237
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP03762098A Withdrawn EP1546779A4 (en) | 2002-06-27 | 2003-06-27 | METHOD AND DEVICE FOR DETECTING MULTIPLE OPTICAL WAVELENGTHS |
Country Status (7)
Country | Link |
---|---|
EP (1) | EP1546779A4 (es) |
KR (1) | KR20050013165A (es) |
CN (1) | CN1692295B (es) |
AU (1) | AU2003253727A1 (es) |
CA (1) | CA2490768A1 (es) |
MX (1) | MXPA05000188A (es) |
WO (1) | WO2004003598A2 (es) |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CA2452981A1 (en) | 2001-07-03 | 2003-01-23 | Brown University Research Foundation | Method and apparatus for processing optical signals with supergratings |
US7496257B2 (en) | 2001-07-03 | 2009-02-24 | Brown University Research Foundation | Method and apparatus for detecting multiple optical wavelengths |
US7397977B2 (en) | 2002-12-26 | 2008-07-08 | Nippon Telegraph And Telephone Corporation | Wave transmission medium and waveguide circuit |
JP5831206B2 (ja) | 2011-12-21 | 2015-12-09 | 富士通株式会社 | 光スイッチ素子、光復調器、光復調方法 |
WO2015184162A1 (en) * | 2014-05-29 | 2015-12-03 | Brown University | Optical system and methods for the determination of stress in a substrate |
US10185303B2 (en) | 2015-02-21 | 2019-01-22 | Kla-Tencor Corporation | Optimizing computational efficiency by multiple truncation of spatial harmonics |
KR102456898B1 (ko) * | 2016-03-17 | 2022-10-19 | 삼성에스디에스 주식회사 | 데이터 신호의 표준 패턴 생성 방법 및 그 장치 |
WO2020076387A2 (en) * | 2018-07-25 | 2020-04-16 | Corning Incorporated | Communications systems comprising waveguide arrays for realizing localized quantum walks |
CN110857977A (zh) * | 2018-08-23 | 2020-03-03 | 北京万集科技股份有限公司 | 光学天线、相控阵激光雷达及光学天线的二维扫描方法 |
JP2020148875A (ja) * | 2019-03-13 | 2020-09-17 | 株式会社フジクラ | レンズ部材、導光部材、及びレーザ装置 |
WO2021071664A1 (en) * | 2019-10-08 | 2021-04-15 | Corning Incorporated | Optical systems comprising binary photonics lattices |
CN113671770B (zh) * | 2020-05-15 | 2024-04-09 | 华为技术有限公司 | 一种光选择开关、节点装置 |
CN113067238B (zh) * | 2021-03-19 | 2022-02-22 | 中国计量大学 | 一种产生单光子的谐振腔及单光子源*** |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2001011401A1 (en) * | 1999-08-05 | 2001-02-15 | Daniel Levner | Synthesis of supergratings by fourier methods |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5703710A (en) * | 1994-09-09 | 1997-12-30 | Deacon Research | Method for manipulating optical energy using poled structure |
US5832156A (en) * | 1996-10-31 | 1998-11-03 | Lucent Technologies Inc. | Article comprising an optical waveguide tap |
US6289032B1 (en) * | 1998-04-16 | 2001-09-11 | Governing Council Of The University Of Toronto | Self-collimating multiwavelength lasers |
US6181852B1 (en) * | 1998-09-23 | 2001-01-30 | Lucent Technologies Inc. | Optical grating device with variable coating |
WO2001031387A1 (en) * | 1999-10-28 | 2001-05-03 | Massachusetts Institute Of Technology | Tunable add/drop filter using side-coupled resonant tunneling |
US6393173B1 (en) * | 2000-03-28 | 2002-05-21 | Lucent Technologies Inc. | 2×2 integrated optical cross-connect |
-
2003
- 2003-06-27 EP EP03762098A patent/EP1546779A4/en not_active Withdrawn
- 2003-06-27 CN CN038199912A patent/CN1692295B/zh not_active Expired - Fee Related
- 2003-06-27 MX MXPA05000188A patent/MXPA05000188A/es not_active Application Discontinuation
- 2003-06-27 AU AU2003253727A patent/AU2003253727A1/en not_active Abandoned
- 2003-06-27 CA CA002490768A patent/CA2490768A1/en not_active Abandoned
- 2003-06-27 WO PCT/US2003/020237 patent/WO2004003598A2/en not_active Application Discontinuation
- 2003-06-27 KR KR10-2004-7021358A patent/KR20050013165A/ko not_active Application Discontinuation
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2001011401A1 (en) * | 1999-08-05 | 2001-02-15 | Daniel Levner | Synthesis of supergratings by fourier methods |
Also Published As
Publication number | Publication date |
---|---|
CN1692295B (zh) | 2011-05-04 |
MXPA05000188A (es) | 2005-09-08 |
WO2004003598A2 (en) | 2004-01-08 |
KR20050013165A (ko) | 2005-02-02 |
CA2490768A1 (en) | 2004-01-08 |
AU2003253727A1 (en) | 2004-01-19 |
EP1546779A2 (en) | 2005-06-29 |
CN1692295A (zh) | 2005-11-02 |
WO2004003598A3 (en) | 2005-04-28 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
IL162696A0 (en) | Apparatus and method for endoscopiccolectomy | |
HK1070131A1 (en) | Method and system for inspecting optical devices | |
EP1547755A4 (en) | PIPE CONNECTION DEVICE AND TUBE CONNECTION METHOD | |
EP1555111A4 (en) | APPARATUS AND METHOD FOR ASSEMBLING TUBES | |
GB2397393B (en) | Optical apparatus and method | |
GB0201955D0 (en) | Apparatus and method | |
GB0228808D0 (en) | Method and apparatus for measuring distance | |
EP1546779A4 (en) | METHOD AND DEVICE FOR DETECTING MULTIPLE OPTICAL WAVELENGTHS | |
GB2386186B (en) | Method and apparatus for object detection and ranging | |
AU2003270627A8 (en) | Optical cross connect apparatus and method | |
EP1589332A4 (en) | CONTINUOUS OPTICAL MEASURING APPARATUS AND METHOD | |
AU2003251919A8 (en) | Optical coupler apparatus and methods having reduced geometry sensitivity | |
GB0216815D0 (en) | Detection method and apparatus | |
AU2003302445A1 (en) | An optical measurement apparatus and method | |
AU2003211468A1 (en) | Apparatus and method for inspecting motorcycle | |
EP1502092A4 (en) | METHOD AND APPARATUS FOR OPTICAL TESTING | |
AU2003297889A8 (en) | Method and apparatus for asperity detection | |
AU2003214281A1 (en) | Method and apparatus for sensing | |
GB0114927D0 (en) | Method and apparatus for detecting data | |
GB0202121D0 (en) | Method and apparatus | |
AU2003253009A1 (en) | Method and apparatus for determining ischaemia | |
GB0216620D0 (en) | Detection method and apparatus | |
GB0216622D0 (en) | Detection method and apparatus | |
AU2002353201A8 (en) | Method and apparatus for cancer detection | |
GB0307260D0 (en) | Optical testing methods and apparatus |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
|
17P | Request for examination filed |
Effective date: 20050117 |
|
AK | Designated contracting states |
Kind code of ref document: A2 Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PT RO SE SI SK TR |
|
AX | Request for extension of the european patent |
Extension state: AL LT LV MK |
|
DAX | Request for extension of the european patent (deleted) | ||
RIN1 | Information on inventor provided before grant (corrected) |
Inventor name: XU, JINGMING Inventor name: FAY, MARTIN, F. Inventor name: LEVNER, DANIEL |
|
A4 | Supplementary search report drawn up and despatched |
Effective date: 20090803 |
|
17Q | First examination report despatched |
Effective date: 20091117 |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN |
|
18D | Application deemed to be withdrawn |
Effective date: 20140130 |