FR2598815B1 - Dispositif pour le pilotage et le controle d'un laser continument accordable et spectralement fin, et application a un radar optique pour mesures meteorologiques. - Google Patents

Dispositif pour le pilotage et le controle d'un laser continument accordable et spectralement fin, et application a un radar optique pour mesures meteorologiques.

Info

Publication number
FR2598815B1
FR2598815B1 FR8606907A FR8606907A FR2598815B1 FR 2598815 B1 FR2598815 B1 FR 2598815B1 FR 8606907 A FR8606907 A FR 8606907A FR 8606907 A FR8606907 A FR 8606907A FR 2598815 B1 FR2598815 B1 FR 2598815B1
Authority
FR
France
Prior art keywords
pilotage
application
control
optical radar
continuously tunable
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
Application number
FR8606907A
Other languages
English (en)
Other versions
FR2598815A1 (fr
Inventor
Claude Cahen
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.)
Electricite de France SA
Original Assignee
Electricite de France SA
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 Electricite de France SA filed Critical Electricite de France SA
Priority to FR8606907A priority Critical patent/FR2598815B1/fr
Publication of FR2598815A1 publication Critical patent/FR2598815A1/fr
Application granted granted Critical
Publication of FR2598815B1 publication Critical patent/FR2598815B1/fr
Expired 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
    • G01S17/88—Lidar systems specially adapted for specific applications
    • G01S17/95—Lidar systems specially adapted for specific applications for meteorological use
    • 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
    • H01S3/10—Controlling the intensity, frequency, phase, polarisation or direction of the emitted radiation, e.g. switching, gating, modulating or demodulating
    • H01S3/106—Controlling the intensity, frequency, phase, polarisation or direction of the emitted radiation, e.g. switching, gating, modulating or demodulating by controlling devices placed within the cavity
    • H01S3/1062—Controlling the intensity, frequency, phase, polarisation or direction of the emitted radiation, e.g. switching, gating, modulating or demodulating by controlling devices placed within the cavity using a controlled passive interferometer, e.g. a Fabry-Perot etalon
    • 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
    • H01S3/10—Controlling the intensity, frequency, phase, polarisation or direction of the emitted radiation, e.g. switching, gating, modulating or demodulating
    • H01S3/13—Stabilisation of laser output parameters, e.g. frequency or amplitude
    • H01S3/136—Stabilisation of laser output parameters, e.g. frequency or amplitude by controlling devices placed within the cavity
    • H01S3/137—Stabilisation of laser output parameters, e.g. frequency or amplitude by controlling devices placed within the cavity for stabilising of frequency
    • 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
FR8606907A 1986-05-14 1986-05-14 Dispositif pour le pilotage et le controle d'un laser continument accordable et spectralement fin, et application a un radar optique pour mesures meteorologiques. Expired FR2598815B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR8606907A FR2598815B1 (fr) 1986-05-14 1986-05-14 Dispositif pour le pilotage et le controle d'un laser continument accordable et spectralement fin, et application a un radar optique pour mesures meteorologiques.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8606907A FR2598815B1 (fr) 1986-05-14 1986-05-14 Dispositif pour le pilotage et le controle d'un laser continument accordable et spectralement fin, et application a un radar optique pour mesures meteorologiques.

Publications (2)

Publication Number Publication Date
FR2598815A1 FR2598815A1 (fr) 1987-11-20
FR2598815B1 true FR2598815B1 (fr) 1988-09-09

Family

ID=9335212

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8606907A Expired FR2598815B1 (fr) 1986-05-14 1986-05-14 Dispositif pour le pilotage et le controle d'un laser continument accordable et spectralement fin, et application a un radar optique pour mesures meteorologiques.

Country Status (1)

Country Link
FR (1) FR2598815B1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1313688C (fr) * 1987-10-28 1993-02-16 Hitsoshi Wakata Methode pour stabiliser la longueur d'onde d'un laser et laser a longueur d'onde stabilisee

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4150342A (en) * 1977-07-05 1979-04-17 Coherent, Inc. Method and apparatus for automatically reacquiring a predetermined output radiation frequency in a tunable laser system despite momentary perturbations of laser oscillation
US4272734A (en) * 1979-05-29 1981-06-09 Spectra-Physics, Inc. Dual reference interferometer for dye laser stabilization

Also Published As

Publication number Publication date
FR2598815A1 (fr) 1987-11-20

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Legal Events

Date Code Title Description
ST Notification of lapse