DK1520181T3 - Laser-Doppler-anemometri med diffraktive optiske elementer - Google Patents

Laser-Doppler-anemometri med diffraktive optiske elementer

Info

Publication number
DK1520181T3
DK1520181T3 DK03762468T DK03762468T DK1520181T3 DK 1520181 T3 DK1520181 T3 DK 1520181T3 DK 03762468 T DK03762468 T DK 03762468T DK 03762468 T DK03762468 T DK 03762468T DK 1520181 T3 DK1520181 T3 DK 1520181T3
Authority
DK
Denmark
Prior art keywords
light beam
diffracted
diffractive member
undiffracted
laser
Prior art date
Application number
DK03762468T
Other languages
English (en)
Inventor
Steven Richard Kitchen
Michael Linde Jakobsen
Carsten Dam-Hansen
Original Assignee
Kamstrup As
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 Kamstrup As filed Critical Kamstrup As
Application granted granted Critical
Publication of DK1520181T3 publication Critical patent/DK1520181T3/da

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01PMEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
    • G01P5/00Measuring speed of fluids, e.g. of air stream; Measuring speed of bodies relative to fluids, e.g. of ship, of aircraft
    • G01P5/26Measuring speed of fluids, e.g. of air stream; Measuring speed of bodies relative to fluids, e.g. of ship, of aircraft by measuring the direct influence of the streaming fluid on the properties of a detecting optical wave
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01PMEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
    • G01P15/00Measuring acceleration; Measuring deceleration; Measuring shock, i.e. sudden change of acceleration
    • G01P15/18Measuring acceleration; Measuring deceleration; Measuring shock, i.e. sudden change of acceleration in two or more dimensions
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01SRADIO 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
    • G01S17/00Systems using the reflection or reradiation of electromagnetic waves other than radio waves, e.g. lidar systems
    • G01S17/02Systems using the reflection of electromagnetic waves other than radio waves
    • G01S17/50Systems of measurement based on relative movement of target
    • G01S17/58Velocity or trajectory determination systems; Sense-of-movement determination systems

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Multimedia (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Optical Radar Systems And Details Thereof (AREA)
  • Length Measuring Devices By Optical Means (AREA)
  • Measuring Pulse, Heart Rate, Blood Pressure Or Blood Flow (AREA)
  • Measuring And Recording Apparatus For Diagnosis (AREA)
  • Laser Surgery Devices (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
DK03762468T 2002-07-05 2003-06-30 Laser-Doppler-anemometri med diffraktive optiske elementer DK1520181T3 (da)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US39358502P 2002-07-05 2002-07-05

Publications (1)

Publication Number Publication Date
DK1520181T3 true DK1520181T3 (da) 2006-03-27

Family

ID=30115605

Family Applications (1)

Application Number Title Priority Date Filing Date
DK03762468T DK1520181T3 (da) 2002-07-05 2003-06-30 Laser-Doppler-anemometri med diffraktive optiske elementer

Country Status (7)

Country Link
US (1) US6859267B2 (da)
EP (1) EP1520181B1 (da)
AT (1) ATE309545T1 (da)
AU (1) AU2003243924A1 (da)
DE (1) DE60302253D1 (da)
DK (1) DK1520181T3 (da)
WO (1) WO2004005940A1 (da)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8120756B2 (en) * 2007-03-19 2012-02-21 Korea Atomic Energy Research Institute Laser doppler velocity system for variable beam focusing
US7787107B2 (en) * 2007-05-18 2010-08-31 Allview Research Llc Motion measurement and synchronization using a scanning interferometer with gratings
US20090015922A1 (en) * 2007-06-29 2009-01-15 Allview Research Llc Writing a diffractive structure
US8866322B2 (en) * 2009-07-29 2014-10-21 Michigan Aerospace Corporation Atmospheric measurement system
WO2018173290A1 (ja) * 2017-03-24 2018-09-27 愛知時計電機株式会社 計測装置
WO2018173294A1 (ja) * 2017-03-24 2018-09-27 愛知時計電機株式会社 計測装置
RU2689273C1 (ru) * 2018-06-25 2019-05-24 Владимир Александрович Катенин Лазерный судовой измеритель скорости
RU2708526C1 (ru) * 2019-05-13 2019-12-09 Владимир Васильевич Чернявец Лазерный судовой измеритель скорости
US20240159907A1 (en) * 2022-11-16 2024-05-16 The Boeing Company Optical dual frequency shift laser vehicle speed detection system

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4397550A (en) * 1980-02-14 1983-08-09 Agency Of Industrial Science & Technology Laser doppler velocimeter
US4948257A (en) * 1987-09-14 1990-08-14 Tsi Incorporated Laser optical measuring device and method for stabilizing fringe pattern spacing
JP2998172B2 (ja) * 1990-05-21 2000-01-11 キヤノン株式会社 ドップラー速度計
US5272512A (en) * 1990-09-21 1993-12-21 Canon Kabushiki Kaisha Displacement information detection apparatus
JP2962819B2 (ja) * 1990-11-30 1999-10-12 キヤノン株式会社 変位測定装置
US5999256A (en) * 1992-02-12 1999-12-07 Cambridge Consultants Limited Particle measurement system
US5502466A (en) * 1993-06-29 1996-03-26 Canon Kabushiki Kaisha Doppler velocimeter and position information detection apparatus for use with objects having variations in surface depth
JP3082533B2 (ja) * 1993-08-23 2000-08-28 キヤノン株式会社 レーザードップラー速度計
US5751830A (en) * 1995-05-24 1998-05-12 Lockheed Martin Energy Systems, Inc. Method and apparatus for coherent imaging of infrared energy
JP3647135B2 (ja) * 1996-04-15 2005-05-11 キヤノン株式会社 光学式変位情報測定装置
EP1131639A4 (en) 1998-09-28 2002-09-18 California Inst Of Techn MINIATURE OPTICAL SENSOR
AU1926601A (en) 1999-11-22 2001-06-04 California Institute Of Technology Micro photonic particle sensor

Also Published As

Publication number Publication date
WO2004005940A1 (en) 2004-01-15
US20040036873A1 (en) 2004-02-26
US6859267B2 (en) 2005-02-22
DE60302253D1 (de) 2005-12-15
ATE309545T1 (de) 2005-11-15
EP1520181B1 (en) 2005-11-09
AU2003243924A1 (en) 2004-01-23
EP1520181A1 (en) 2005-04-06

Similar Documents

Publication Publication Date Title
WO2005059653A3 (de) Polarisationsoptisch wirksame verzögerungsanordnung für eine projektionsbelichtungsanlage der mikrolithografie
CL2022000409A1 (es) Guía de ondas optica
TW200630179A (en) Optical illumination system for creating a line beam
EP4528436A3 (en) Apparatus and methods for eye tracking based on eye imaging via a light-guide optical element
TW200717031A (en) Polarization conversion element, polarization conversion optical system and image projecting apparatus
ATE309545T1 (de) Laser-doppler-anemometry mit beugenden optischen elementen
WO2011026251A8 (fr) Dispositif pour horloge atomique
WO2003049175A1 (fr) Irradiateur a faisceaux et dispositif de recuit pour laser
SG134315A1 (en) Optical system for transforming numerical aperture
WO2021096264A3 (ko) 레이저 출력 어레이 및 이를 이용한 라이다 장치
WO2007141185A3 (en) Homogenizer with reduced interference
ATE319117T1 (de) Kohärenzminderer
MXPA06000015A (es) Sistema de iluminacion que hace posible la combinacion de varios haces de luz.
SE0201882L (sv) Multipla optiska kanaler
TW200626961A (en) Illumination system with compact turning prism and projection system using same
GB2442888A (en) Multi-wavelength optical source
ATE397534T1 (de) Sicherheitsvorrichtung
GB0312443D0 (en) Optical multiplexer
WO2008045652A3 (en) Method and system for diffractive beam combining using doe combiner with passive phase control
ATE528671T1 (de) Vorrichtung zur aufteilung eines lichtstrahls
WO2006014406A3 (en) Interferometric optical assemblies and systems including interferometric optical assemblies
ATE308758T1 (de) Temperaturkompensiertes optisches system auf der basis eines optischen beugungselements
WO2006089923A3 (fr) Dispositif de contre-mesure et de poursuite d'une menace avec dispositif de retard optique
JP2015233006A (ja) 検出システム
TW200407580A (en) Optical signal transceiving module