WO1990005310A3 - Mesure optique de vitesse - Google Patents

Mesure optique de vitesse Download PDF

Info

Publication number
WO1990005310A3
WO1990005310A3 PCT/GB1989/001336 GB8901336W WO9005310A3 WO 1990005310 A3 WO1990005310 A3 WO 1990005310A3 GB 8901336 W GB8901336 W GB 8901336W WO 9005310 A3 WO9005310 A3 WO 9005310A3
Authority
WO
WIPO (PCT)
Prior art keywords
interference
fringe
wavelength
crossed
grating
Prior art date
Application number
PCT/GB1989/001336
Other languages
English (en)
Other versions
WO1990005310A2 (fr
Inventor
Robert Jeffry Geddes Carr
David John Clarke
Sumaia Al-Shukri
Original Assignee
Health Lab Service Board
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 Health Lab Service Board filed Critical Health Lab Service Board
Priority to BR898907768A priority Critical patent/BR8907768A/pt
Publication of WO1990005310A2 publication Critical patent/WO1990005310A2/fr
Publication of WO1990005310A3 publication Critical patent/WO1990005310A3/fr
Priority to FI912295A priority patent/FI912295A0/fi
Priority to DK087691A priority patent/DK87691A/da
Priority to NO91911825A priority patent/NO911825L/no

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
    • G01P5/00—Measuring speed of fluids, e.g. of air stream; Measuring speed of bodies relative to fluids, e.g. of ship, of aircraft
    • G01P5/26—Measuring 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
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
    • G01N15/02—Investigating particle size or size distribution
    • G01N15/0205—Investigating particle size or size distribution by optical means
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
    • G01N15/10—Investigating individual particles
    • G01N15/14—Optical investigation techniques, e.g. flow cytometry
    • G01N15/1434—Optical arrangements
    • G01N2015/1447—Spatial selection
    • G01N2015/145—Spatial selection by pattern of light, e.g. fringe pattern

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Length Measuring Devices By Optical Means (AREA)
  • Optical Transform (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Light Guides In General And Applications Therefor (AREA)
  • Optical Fibers, Optical Fiber Cores, And Optical Fiber Bundles (AREA)
  • Diffracting Gratings Or Hologram Optical Elements (AREA)

Abstract

On détermine optiquement la vitesse de particules par l'emploi de configurations de franges d'interférences croisées. On produit les configurations de franges en faisant passer des faisceaux laser de longueur d'onde distincte dans une fibre optique commune (30) et dans deux réseaux de diffraction (34, 36) croisés liés à l'extrémité libre de la fibre (30). Chaque réseau de diffraction (34, 36) est construit à la manière d'un filtre d'interférences de manière à produire des configurations d'interférences à une longueur d'onde, mais de manière à produire l'autre longueur d'onde de façon sensiblement uniforme dans le réseau. On peut utiliser d'autres éléments d'interférences à la place de réseaux de diffraction, et l'emploi d'un seul réseau de diffraction est prévu dans certaines circonstances. On peut obtenir une indication du sens de mouvement des particules en créant une configuration de franges ayant un espacement de franges croissant de manière constante.
PCT/GB1989/001336 1988-11-11 1989-11-10 Mesure optique de vitesse WO1990005310A2 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
BR898907768A BR8907768A (pt) 1988-11-11 1989-11-10 Determinacao otica de velocidade
FI912295A FI912295A0 (fi) 1988-11-11 1991-05-10 Optisk hastighetsbestaemning.
DK087691A DK87691A (da) 1988-11-11 1991-05-10 Fremgangsmaade og apparat til optisk hastighedsbestemmelse
NO91911825A NO911825L (no) 1988-11-11 1991-05-10 Hastighetsbestemmelse med optiske hjelpemidler.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB888826487A GB8826487D0 (en) 1988-11-11 1988-11-11 Optical determination of velocity
GB8826487.4 1988-11-11

Publications (2)

Publication Number Publication Date
WO1990005310A2 WO1990005310A2 (fr) 1990-05-17
WO1990005310A3 true WO1990005310A3 (fr) 1991-01-10

Family

ID=10646747

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/GB1989/001336 WO1990005310A2 (fr) 1988-11-11 1989-11-10 Mesure optique de vitesse

Country Status (12)

Country Link
US (1) US5160976A (fr)
EP (1) EP0442960A1 (fr)
JP (1) JPH04501610A (fr)
AU (1) AU4639489A (fr)
BR (1) BR8907768A (fr)
CA (1) CA2002809A1 (fr)
DK (1) DK87691A (fr)
FI (1) FI912295A0 (fr)
GB (1) GB8826487D0 (fr)
HU (1) HU900286D0 (fr)
WO (1) WO1990005310A2 (fr)
ZA (1) ZA898636B (fr)

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2670293B1 (fr) * 1990-12-05 1994-05-06 Etat Francais Delegue Armement Procede et dispositif pour la mesure de la vitesse d'un ecoulement de fluide ou de particules.
US5383024A (en) * 1992-08-12 1995-01-17 Martin Marietta Energy Systems, Inc. Optical wet steam monitor
FR2714971B1 (fr) * 1994-01-13 1996-03-22 Sextant Avionique Capteur de mesure de la concentration en eau liquide dans un gaz en mouvement.
US6956230B1 (en) 1999-09-17 2005-10-18 California Institute Of Technology Integrated particles sensor formed on single substrate using fringes formed by diffractive elements
AU1491601A (en) * 1999-09-17 2001-04-17 California Institute Of Technology Integrated sensors
US6875973B2 (en) * 2000-08-25 2005-04-05 Amnis Corporation Auto focus for a flow imaging system
AU2001290568A1 (en) 2000-08-25 2002-03-04 Amnis Corporation Measuring the velocity of small moving objects such as cells
EP1308732A1 (fr) * 2001-11-01 2003-05-07 Forskningscenter Riso Dispositif et procédé pour la détermination optique d' une vitesse
DE102005042954B4 (de) * 2005-09-05 2007-07-12 Technische Universität Dresden Vorrichtung und Verfahren zur Bestimmung von Geschwindigkeitsprofilen in beliebig gerichteten Strömungen
GB0616837D0 (en) 2006-08-25 2006-10-04 Moir Christopher I Velocity detector
US7450222B1 (en) 2007-07-02 2008-11-11 The United States Of America As Represented By The United States Department Of Energy Correlated-intensity velocimeter for arbitrary reflector
US8120759B2 (en) 2008-03-31 2012-02-21 Vestas Wind Systems A/S Optical transmission strain sensor for wind turbines
GB2461532A (en) * 2008-07-01 2010-01-06 Vestas Wind Sys As Sensor system and method for detecting deformation in a wind turbine component
GB2461566A (en) * 2008-07-03 2010-01-06 Vestas Wind Sys As Embedded fibre optic sensor for mounting on wind turbine components and method of producing the same.
GB2463696A (en) * 2008-09-22 2010-03-24 Vestas Wind Sys As Edge-wise bending insensitive strain sensor system
GB2466433B (en) 2008-12-16 2011-05-25 Vestas Wind Sys As Turbulence sensor and blade condition sensor system
GB2472437A (en) 2009-08-06 2011-02-09 Vestas Wind Sys As Wind turbine rotor blade control based on detecting turbulence
GB2477529A (en) 2010-02-04 2011-08-10 Vestas Wind Sys As A wind turbine optical wind sensor for determining wind speed and direction
DE102011009675B4 (de) * 2011-01-24 2013-08-01 Technische Universität Dresden Verfahren zur Bestimmung von Geschwindigkeiten in Strömungen und Phasen-Frequenz-Gechwindigkeits-Feldsensor
CN103487067B (zh) * 2013-10-12 2016-05-11 复旦大学 利用波分复用技术消减干涉路径散射、反射光干扰的方法与系统
CN110827638B (zh) * 2019-10-31 2024-05-07 浙江理工大学 一种光场产生装置
JP2023020673A (ja) * 2021-07-30 2023-02-09 国立大学法人 東京大学 微粒子計測装置及び微粒子計測方法
US20240159907A1 (en) * 2022-11-16 2024-05-16 The Boeing Company Optical dual frequency shift laser vehicle speed detection system

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3484153A (en) * 1966-10-19 1969-12-16 Bell Telephone Labor Inc Transparent eutectics with lamellar microstructures and method of making same
DE2747243A1 (de) * 1977-10-21 1979-04-26 Philips Patentverwaltung Beugungsgitter zur erzeugung von farbauszuegen
US4243398A (en) * 1978-02-09 1981-01-06 Nippon Electric Co., Ltd. Method of producing dielectric diffraction gratings or dielectric multilayer interference filters
US4387993A (en) * 1981-06-25 1983-06-14 Tsi Incorporated Particle size measuring method and apparatus
US4566889A (en) * 1983-10-28 1986-01-28 Chevron Research Company Process of fabricating a portion of an optical fiber capable of reflecting predetermined wavelength bands of light
EP0193993A2 (fr) * 1985-03-04 1986-09-10 Philips Patentverwaltung GmbH Réseau de phase numérique pour séparateur optique de puissance et de couleur
GB2189901A (en) * 1986-04-25 1987-11-04 Stc Plc Laser-induced fibre grating devices
WO1988001736A1 (fr) * 1986-09-05 1988-03-10 Public Health Laboratory Service Board Analyse optique

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3897152A (en) * 1974-02-04 1975-07-29 Us Air Force Laser doppler velocimeter
JPS561608B2 (fr) * 1974-04-27 1981-01-14
US4148585A (en) * 1977-02-11 1979-04-10 The United States Of America As Represented By The Department Of Health, Education & Welfare Three dimensional laser Doppler velocimeter
FR2454102A1 (fr) * 1979-02-27 1980-11-07 Anvar Procede et dispositif pour la mesure simultanee de vitesses, fluctuations de vitesses et diametres de particules submicroniques dans un fluide

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3484153A (en) * 1966-10-19 1969-12-16 Bell Telephone Labor Inc Transparent eutectics with lamellar microstructures and method of making same
DE2747243A1 (de) * 1977-10-21 1979-04-26 Philips Patentverwaltung Beugungsgitter zur erzeugung von farbauszuegen
US4243398A (en) * 1978-02-09 1981-01-06 Nippon Electric Co., Ltd. Method of producing dielectric diffraction gratings or dielectric multilayer interference filters
US4387993A (en) * 1981-06-25 1983-06-14 Tsi Incorporated Particle size measuring method and apparatus
US4566889A (en) * 1983-10-28 1986-01-28 Chevron Research Company Process of fabricating a portion of an optical fiber capable of reflecting predetermined wavelength bands of light
EP0193993A2 (fr) * 1985-03-04 1986-09-10 Philips Patentverwaltung GmbH Réseau de phase numérique pour séparateur optique de puissance et de couleur
GB2189901A (en) * 1986-04-25 1987-11-04 Stc Plc Laser-induced fibre grating devices
WO1988001736A1 (fr) * 1986-09-05 1988-03-10 Public Health Laboratory Service Board Analyse optique

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
Proceedings of SPIE - The International Society for Optical Engineering, Volume 566, Fiber Optic and Laser Sensors III, 20-23 August 1985, San Diego, California, SPIE, (Bellingham, WA, US), A.A. BOIARSKI: "Low Cost Fiber Optic Velocimeter", pages 130-134 see page 131, line 33 - page 132, line 20; figure 1 *

Also Published As

Publication number Publication date
WO1990005310A2 (fr) 1990-05-17
JPH04501610A (ja) 1992-03-19
FI912295A0 (fi) 1991-05-10
GB8826487D0 (en) 1988-12-14
US5160976A (en) 1992-11-03
ZA898636B (en) 1990-08-29
HU900286D0 (en) 1991-08-28
BR8907768A (pt) 1991-08-20
DK87691A (da) 1991-07-05
EP0442960A1 (fr) 1991-08-28
CA2002809A1 (fr) 1990-05-11
DK87691D0 (da) 1991-05-10
AU4639489A (en) 1990-05-28

Similar Documents

Publication Publication Date Title
WO1990005310A3 (fr) Mesure optique de vitesse
EP0311144A3 (fr) Instrument optique pour mesurer un déplacement
DE3682675D1 (de) Interferometrische maskensubstratausrichtung.
JPS6455502A (en) Solid phase reflective diffraction grating and hologram
WO1995017705A2 (fr) Procede et appareil permettant de former des reseaux de diffraction aperiodiques dans des fibres optiques
GB2029982A (en) Laserfibre optic strain gauge
EP0341882A3 (fr) Capteurs optiques
IT1250930B (it) Apparecchio per produrre un regolo di misura ad ologramma e regolo di misura ad ologramma cosi' prodotto
EP0322654A3 (fr) Spectromètre utilisant un réseau de diffraction holographique concave
BR7701876A (pt) Processo de fiacao de fibras para formar um feixe ou conjunto ligado de fibras,e,aparelho para sua execucao
BE859867R (fr) Connecteur pour liaison a fibre optique
CA2262681A1 (fr) Filtres pour guide d'ondes optiques
GB1431067A (en) Apparatus for measuring a property of movement
BR7802370A (pt) Processo para a preparacao de composicoes solidas de corantes hidrossoluveis ou granulados avivantes oticos isento de po,granulados de corantes e sua aplicacao
EP0359414A3 (fr) Echelle de mesure pour un appareil de lecture opto-électronique
Killat Coupled wave theory of hologram gratings with arbitrary attenuation
JPS55110207A (en) Optical fiber device
ATE122456T1 (de) Winkelmesseinrichtung.
EP0130337A3 (fr) Dispositif pour mesure optique
CA2426443A1 (fr) Masque de phase pour la formation de reseau de diffraction, et fibre optique et guide d'ondes optique comprenant un reseau de diffraction reproduit a l'aide du masque de phase
JPS5346744A (en) Embeded optical fiber for coupling gratings
CA2331487A1 (fr) Procede d'inscription de reseaux de bragg, appareil pour la mise en oeuvre de ce procede et dispositifs a reseaux de bragg obtenus par ce procede
JPS6474414A (en) Optical displacement detector
Aranchuk et al. Laser differentiating interferometer having a hologram grating for measuring mechanical vibrations.
JPS55155303A (en) Optical fiber device

Legal Events

Date Code Title Description
AK Designated states

Kind code of ref document: A2

Designated state(s): AU BR DK FI GB HU JP NO SU US

AL Designated countries for regional patents

Kind code of ref document: A2

Designated state(s): AT BE CH DE FR GB IT LU NL SE

AK Designated states

Kind code of ref document: A3

Designated state(s): AU BR DK FI GB HU JP NO SU US

AL Designated countries for regional patents

Kind code of ref document: A3

Designated state(s): AT BE CH DE FR GB IT LU NL SE

WWE Wipo information: entry into national phase

Ref document number: 1989913233

Country of ref document: EP

WWE Wipo information: entry into national phase

Ref document number: 912295

Country of ref document: FI

WWP Wipo information: published in national office

Ref document number: 1989913233

Country of ref document: EP

WWW Wipo information: withdrawn in national office

Ref document number: 1989913233

Country of ref document: EP