FR2754605B1 - Velocimetre et telemetre laser utilisant une detection coherente - Google Patents

Velocimetre et telemetre laser utilisant une detection coherente

Info

Publication number
FR2754605B1
FR2754605B1 FR9612493A FR9612493A FR2754605B1 FR 2754605 B1 FR2754605 B1 FR 2754605B1 FR 9612493 A FR9612493 A FR 9612493A FR 9612493 A FR9612493 A FR 9612493A FR 2754605 B1 FR2754605 B1 FR 2754605B1
Authority
FR
France
Prior art keywords
velocimeter
coherent detection
laser telemeter
telemeter
laser
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.)
Expired - Fee Related
Application number
FR9612493A
Other languages
English (en)
Other versions
FR2754605A1 (fr
Inventor
Philippe Nerin
Pascal Besesty
Engin Molva
Germain Chartier
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.)
Commissariat a lEnergie Atomique et aux Energies Alternatives CEA
Original Assignee
Commissariat a lEnergie Atomique CEA
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 Commissariat a lEnergie Atomique CEA filed Critical Commissariat a lEnergie Atomique CEA
Priority to FR9612493A priority Critical patent/FR2754605B1/fr
Priority to US09/077,201 priority patent/US6100516A/en
Priority to PCT/FR1997/001822 priority patent/WO1998016844A1/fr
Priority to EP97909395A priority patent/EP0886788A1/fr
Publication of FR2754605A1 publication Critical patent/FR2754605A1/fr
Application granted granted Critical
Publication of FR2754605B1 publication Critical patent/FR2754605B1/fr
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • G01S17/00—Systems using the reflection or reradiation of electromagnetic waves other than radio waves, e.g. lidar systems
    • G01S17/02—Systems using the reflection of electromagnetic waves other than radio waves
    • G01S17/50—Systems of measurement based on relative movement of target
    • G01S17/58—Velocity or trajectory determination systems; Sense-of-movement determination systems
    • 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
    • G01S7/4811—Constructional features, e.g. arrangements of optical elements common to transmitter and receiver
    • G01S7/4812—Constructional features, e.g. arrangements of optical elements common to transmitter and receiver transmitted and received beams following a coaxial path
    • 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
    • G01S17/02—Systems using the reflection of electromagnetic waves other than radio waves
    • G01S17/06—Systems determining position data of a target
    • G01S17/08—Systems determining position data of a target for measuring distance only
    • G01S17/32—Systems determining position data of a target for measuring distance only using transmission of continuous waves, whether amplitude-, frequency-, or phase-modulated, or unmodulated
    • G01S17/34—Systems determining position data of a target for measuring distance only using transmission of continuous waves, whether amplitude-, frequency-, or phase-modulated, or unmodulated using transmission of continuous, frequency-modulated waves while heterodyning the received signal, or a signal derived therefrom, with a locally-generated signal related to the contemporaneously transmitted signal
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
    • H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Electromagnetism (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Optical Radar Systems And Details Thereof (AREA)
FR9612493A 1996-10-14 1996-10-14 Velocimetre et telemetre laser utilisant une detection coherente Expired - Fee Related FR2754605B1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
FR9612493A FR2754605B1 (fr) 1996-10-14 1996-10-14 Velocimetre et telemetre laser utilisant une detection coherente
US09/077,201 US6100516A (en) 1996-10-14 1997-10-13 Velocity measurement device and laser range finder using a coherent detection
PCT/FR1997/001822 WO1998016844A1 (fr) 1996-10-14 1997-10-13 Velocimetre et telemetre laser utilisant une detection coherente
EP97909395A EP0886788A1 (fr) 1996-10-14 1997-10-13 Velocimetre et telemetre laser utilisant une detection coherente

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9612493A FR2754605B1 (fr) 1996-10-14 1996-10-14 Velocimetre et telemetre laser utilisant une detection coherente

Publications (2)

Publication Number Publication Date
FR2754605A1 FR2754605A1 (fr) 1998-04-17
FR2754605B1 true FR2754605B1 (fr) 1998-10-30

Family

ID=9496622

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9612493A Expired - Fee Related FR2754605B1 (fr) 1996-10-14 1996-10-14 Velocimetre et telemetre laser utilisant une detection coherente

Country Status (4)

Country Link
US (1) US6100516A (fr)
EP (1) EP0886788A1 (fr)
FR (1) FR2754605B1 (fr)
WO (1) WO1998016844A1 (fr)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2784194A1 (fr) * 1998-10-01 2000-04-07 Commissariat Energie Atomique Dispositif d'imagerie utilisant un ensemble de microlasers et procede de fabrication de ceux-ci
JP2001201573A (ja) * 2000-01-20 2001-07-27 Mitsubishi Electric Corp コヒーレントレーザレーダ装置および目標測定方法
US7039076B2 (en) * 2001-08-10 2006-05-02 Jds Uniphase Corporation Fiber amplifier system for producing visible light
US6788726B2 (en) * 2002-02-26 2004-09-07 New Focus, Inc. External cavity laser with high spectral purity output
US6693927B1 (en) * 2002-09-13 2004-02-17 Intralase Corp. Method and apparatus for oscillator start-up control for mode-locked laser
US7116687B2 (en) * 2003-09-12 2006-10-03 Jds Uniphase Corporation High repetition rate passively Q-switched laser for blue laser based on interactions in fiber
FR2951275B1 (fr) * 2009-10-09 2012-11-02 Epsiline Dispositif de mesure de la vitesse du vent
US9335415B2 (en) 2012-10-31 2016-05-10 The Boeing Company Modulated laser range finder and method

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3732013A (en) * 1971-04-02 1973-05-08 Us Army Multipath laser moving target indicator
US4611912A (en) * 1983-04-04 1986-09-16 Ball Corporation Method and apparatus for optically measuring distance and velocity
US4830486A (en) * 1984-03-16 1989-05-16 Goodwin Frank E Frequency modulated lasar radar
US5114226A (en) * 1987-03-20 1992-05-19 Digital Optronics Corporation 3-Dimensional vision system utilizing coherent optical detection
DE3907042A1 (de) * 1989-03-04 1990-09-13 Zeiss Carl Fa Laser-radar-system
US5594543A (en) * 1990-01-16 1997-01-14 Hughes Danbury Optical Systems, Inc. Laser diode radar with extended range
GB9026152D0 (en) * 1990-11-30 1991-01-16 Secr Defence Laser radar system
JP3548275B2 (ja) * 1995-05-12 2004-07-28 キヤノン株式会社 変位情報測定装置
US5642194A (en) * 1996-02-05 1997-06-24 The Regents Of The University Of California White light velocity interferometer

Also Published As

Publication number Publication date
FR2754605A1 (fr) 1998-04-17
US6100516A (en) 2000-08-08
EP0886788A1 (fr) 1998-12-30
WO1998016844A1 (fr) 1998-04-23

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Legal Events

Date Code Title Description
ST Notification of lapse