GB0220914D0 - Lidar apparatus and method - Google Patents

Lidar apparatus and method

Info

Publication number
GB0220914D0
GB0220914D0 GBGB0220914.6A GB0220914A GB0220914D0 GB 0220914 D0 GB0220914 D0 GB 0220914D0 GB 0220914 A GB0220914 A GB 0220914A GB 0220914 D0 GB0220914 D0 GB 0220914D0
Authority
GB
United Kingdom
Prior art keywords
directing
component light
local oscillator
extracted
light beam
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.)
Ceased
Application number
GBGB0220914.6A
Other languages
English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Qinetiq Ltd
Original Assignee
Qinetiq Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Qinetiq Ltd filed Critical Qinetiq Ltd
Priority to GBGB0220914.6A priority Critical patent/GB0220914D0/en
Publication of GB0220914D0 publication Critical patent/GB0220914D0/en
Priority to EP03795064A priority patent/EP1537442B1/en
Priority to US10/527,329 priority patent/US7397568B2/en
Priority to JP2004535640A priority patent/JP4414885B2/ja
Priority to AT03795064T priority patent/ATE487151T1/de
Priority to AU2003263327A priority patent/AU2003263327A1/en
Priority to DE60334810T priority patent/DE60334810D1/de
Priority to PCT/GB2003/003882 priority patent/WO2004025324A1/en
Ceased legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
    • G01S7/48—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S17/00
    • G01S7/481—Constructional features, e.g. arrangements of optical elements
    • G01S7/4818—Constructional features, e.g. arrangements of optical elements using optical fibres
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
    • G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
    • G01N21/31—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry
    • G01N21/314—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry with comparison of measurements at specific and non-specific wavelengths
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
    • G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
    • G01N21/31—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry
    • G01N21/35—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light
    • G01N21/3504—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light for analysing gases, e.g. multi-gas analysis
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S17/00—Systems using the reflection or reradiation of electromagnetic waves other than radio waves, e.g. lidar systems
    • G01S17/88—Lidar systems specially adapted for specific applications
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
    • G01S7/48—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S17/00
    • G01S7/483—Details of pulse systems
    • G01S7/486—Receivers
    • G01S7/487—Extracting wanted echo signals, e.g. pulse detection
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
    • G01S7/48—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S17/00
    • G01S7/497—Means for monitoring or calibrating
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S17/00—Systems using the reflection or reradiation of electromagnetic waves other than radio waves, e.g. lidar systems
    • G01S17/87—Combinations of systems using electromagnetic waves other than radio waves
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A90/00—Technologies having an indirect contribution to adaptation to climate change
    • Y02A90/10—Information and communication technologies [ICT] supporting adaptation to climate change, e.g. for weather forecasting or climate simulation

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Electromagnetism (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Optical Radar Systems And Details Thereof (AREA)
  • Telephone Function (AREA)
GBGB0220914.6A 2002-09-10 2002-09-10 Lidar apparatus and method Ceased GB0220914D0 (en)

Priority Applications (8)

Application Number Priority Date Filing Date Title
GBGB0220914.6A GB0220914D0 (en) 2002-09-10 2002-09-10 Lidar apparatus and method
EP03795064A EP1537442B1 (en) 2002-09-10 2003-09-08 Coherent differential absorption lidar (dial)
US10/527,329 US7397568B2 (en) 2002-09-10 2003-09-08 Coherent differential absorption lidar (dial)
JP2004535640A JP4414885B2 (ja) 2002-09-10 2003-09-08 コヒーレント吸収差ライダー（ｄｉａｌ）
AT03795064T ATE487151T1 (de) 2002-09-10 2003-09-08 Kohärenter differenzabsorptions-lidar (dial)
AU2003263327A AU2003263327A1 (en) 2002-09-10 2003-09-08 Coherent differential absorption lidar (dial)
DE60334810T DE60334810D1 (de) 2002-09-10 2003-09-08 Kohärenter differenzabsorptions-lidar (dial)
PCT/GB2003/003882 WO2004025324A1 (en) 2002-09-10 2003-09-08 Coherent differential absorption lidar (dial)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GBGB0220914.6A GB0220914D0 (en) 2002-09-10 2002-09-10 Lidar apparatus and method

Publications (1)

Publication Number Publication Date
GB0220914D0 true GB0220914D0 (en) 2002-10-23

Family

ID=9943752

Family Applications (1)

Application Number Title Priority Date Filing Date
GBGB0220914.6A Ceased GB0220914D0 (en) 2002-09-10 2002-09-10 Lidar apparatus and method

Country Status (8)

Country Link
US (1) US7397568B2 (https=)
EP (1) EP1537442B1 (https=)
JP (1) JP4414885B2 (https=)
AT (1) ATE487151T1 (https=)
AU (1) AU2003263327A1 (https=)
DE (1) DE60334810D1 (https=)
GB (1) GB0220914D0 (https=)
WO (1) WO2004025324A1 (https=)

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EP1713301A1 (en) * 2005-04-14 2006-10-18 BRITISH TELECOMMUNICATIONS public limited company Method and apparatus for communicating sound over an optical link
EP1715325B1 (en) * 2005-04-20 2010-06-16 Honeywell Analytics AG Method and apparatus for the detection of gas
EP1729096A1 (en) * 2005-06-02 2006-12-06 BRITISH TELECOMMUNICATIONS public limited company Method and apparatus for determining the position of a disturbance in an optical fibre
US7345744B2 (en) * 2005-06-06 2008-03-18 Raytheon Company Optical delay line to correct phase errors in coherent ladar
GB0515605D0 (en) 2005-07-29 2005-09-07 Qinetiq Ltd Laser measurement device and method
EP1959816B1 (de) * 2005-12-06 2011-07-20 Carl Zeiss Meditec AG Interferometrische probenmessung
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US7592595B1 (en) * 2006-03-28 2009-09-22 Operations Technology Development, Nfp Wide concentration range gas detection
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JP4987360B2 (ja) * 2006-06-14 2012-07-25 三菱電機株式会社 差分吸収ライダ装置
US8119971B2 (en) 2008-01-17 2012-02-21 Ball Corporation Pulse data recorder in which a value held by a bit of a memory is determined by a state of a switch
US8077294B1 (en) 2008-01-17 2011-12-13 Ball Aerospace & Technologies Corp. Optical autocovariance lidar
US9041915B2 (en) 2008-05-09 2015-05-26 Ball Aerospace & Technologies Corp. Systems and methods of scene and action capture using imaging system incorporating 3D LIDAR
US7961301B2 (en) * 2008-05-09 2011-06-14 Ball Aerospace & Technologies Corp. Flash LADAR system
CN102204396B (zh) * 2008-09-10 2014-08-06 科姆拉布斯公司 广域定位系统
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US8558993B2 (en) 2010-05-21 2013-10-15 The National Institute of Standards and Technology, as Presented by the Secretary of Commerce Optical frequency comb-based coherent LIDAR
US8736818B2 (en) 2010-08-16 2014-05-27 Ball Aerospace & Technologies Corp. Electronically steered flash LIDAR
US8744126B1 (en) 2012-03-07 2014-06-03 Ball Aerospace & Technologies Corp. Morphology based hazard detection
EP2899567B1 (en) * 2012-09-24 2017-05-17 Mitsubishi Electric Corporation Laser radar device
EP2730947A1 (de) * 2012-11-12 2014-05-14 Technische Universität Hamburg-Harburg Lidar-Messsystem und Lidar-Messverfahren
US20140241731A1 (en) * 2013-02-28 2014-08-28 Harris Corporation System and method for free space optical communication beam acquisition
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CN104035102A (zh) * 2014-06-12 2014-09-10 中国科学院上海技术物理研究所 一种探测大气二氧化碳浓度的激光雷达系统及方法
CN104035085A (zh) * 2014-06-12 2014-09-10 中国科学院上海技术物理研究所 一种差分吸收激光雷达系统自标定的方法
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US11556000B1 (en) 2019-08-22 2023-01-17 Red Creamery Llc Distally-actuated scanning mirror
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US10921245B2 (en) 2018-06-08 2021-02-16 Ball Aerospace & Technologies Corp. Method and systems for remote emission detection and rate determination
CN110749872A (zh) * 2018-07-23 2020-02-04 中国科学技术大学 一种相干差分吸收激光雷达与一种检测气体浓度的方法
US11300682B2 (en) 2018-10-18 2022-04-12 Bae Systems Information And Electronic Systems Integration Inc. Multi-static and bistatic coherent LIDAR with lasers locked to a reference
CN110553988B (zh) * 2019-08-30 2021-08-20 天津大学 一种基于叠加态思想的no低浓度信号提取方法
IL294550B2 (en) * 2020-01-16 2026-01-01 Lumenis Ltd Method and system for estimating distance between fiber end and target
WO2022137410A1 (ja) * 2020-12-24 2022-06-30 三菱電機株式会社 レーザレーダ装置及び風計測方法
JP7026857B1 (ja) * 2021-02-26 2022-02-28 三菱電機株式会社 ライダ装置
CN114184559B (zh) * 2021-10-22 2023-08-25 安徽大学 基于激光开放光路的早期室内火场预判检测装置
CN114488177A (zh) * 2022-03-17 2022-05-13 天津杰泰高科传感技术有限公司 一种相位法激光测距光学系统
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Also Published As

Publication number Publication date
JP2005538374A (ja) 2005-12-15
US7397568B2 (en) 2008-07-08
EP1537442A1 (en) 2005-06-08
ATE487151T1 (de) 2010-11-15
JP4414885B2 (ja) 2010-02-10
DE60334810D1 (de) 2010-12-16
WO2004025324A1 (en) 2004-03-25
EP1537442B1 (en) 2010-11-03
AU2003263327A1 (en) 2004-04-30
US20060011840A1 (en) 2006-01-19

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