FR2617281B1 - Systeme de reglage de la frequence d'un laser par detection du battement resultant de l'interference de frequence avec un laser de reference, pour spectroscopie - Google Patents

Systeme de reglage de la frequence d'un laser par detection du battement resultant de l'interference de frequence avec un laser de reference, pour spectroscopie

Info

Publication number
FR2617281B1
FR2617281B1 FR878713299A FR8713299A FR2617281B1 FR 2617281 B1 FR2617281 B1 FR 2617281B1 FR 878713299 A FR878713299 A FR 878713299A FR 8713299 A FR8713299 A FR 8713299A FR 2617281 B1 FR2617281 B1 FR 2617281B1
Authority
FR
France
Prior art keywords
laser
frequency
spectroscopy
adjusting
detection
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
FR878713299A
Other languages
English (en)
Other versions
FR2617281A1 (fr
Inventor
Richard Warren Wyeth
Jeffrey Alan Paisner
Thomas Worthington Story
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.)
US Department of Energy
Original Assignee
US Department of Energy
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 US Department of Energy filed Critical US Department of Energy
Publication of FR2617281A1 publication Critical patent/FR2617281A1/fr
Application granted granted Critical
Publication of FR2617281B1 publication Critical patent/FR2617281B1/fr
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • 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
    • H01S3/139—Stabilisation of laser output parameters, e.g. frequency or amplitude by controlling the mutual position or the reflecting properties of the reflectors of the cavity, e.g. by controlling the cavity length
    • H01S3/1394—Stabilisation of laser output parameters, e.g. frequency or amplitude by controlling the mutual position or the reflecting properties of the reflectors of the cavity, e.g. by controlling the cavity length by using an active reference, e.g. second laser, klystron or other standard frequency source
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D59/00—Separation of different isotopes of the same chemical element
    • B01D59/34—Separation by photochemical methods
    • 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
    • G01N21/39—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using tunable lasers
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F2/00—Demodulating light; Transferring the modulation of modulated light; Frequency-changing of light
    • G02F2/002—Demodulating light; Transferring the modulation of modulated light; Frequency-changing of light using optical mixing
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J9/00—Measuring optical phase difference; Determining degree of coherence; Measuring optical wavelength
    • G01J9/04—Measuring optical phase difference; Determining degree of coherence; Measuring optical wavelength by beating two waves of a same source but of different frequency and measuring the phase shift of the lower frequency obtained

Landscapes

  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • General Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Pathology (AREA)
  • Health & Medical Sciences (AREA)
  • Biophysics (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Immunology (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Nonlinear Science (AREA)
  • Plasma & Fusion (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Spectrometry And Color Measurement (AREA)
  • Lasers (AREA)
FR878713299A 1986-09-26 1987-09-25 Systeme de reglage de la frequence d'un laser par detection du battement resultant de l'interference de frequence avec un laser de reference, pour spectroscopie Expired - Fee Related FR2617281B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/911,842 US4817101A (en) 1986-09-26 1986-09-26 Heterodyne laser spectroscopy system

Publications (2)

Publication Number Publication Date
FR2617281A1 FR2617281A1 (fr) 1988-12-30
FR2617281B1 true FR2617281B1 (fr) 1992-08-14

Family

ID=25430946

Family Applications (1)

Application Number Title Priority Date Filing Date
FR878713299A Expired - Fee Related FR2617281B1 (fr) 1986-09-26 1987-09-25 Systeme de reglage de la frequence d'un laser par detection du battement resultant de l'interference de frequence avec un laser de reference, pour spectroscopie

Country Status (5)

Country Link
US (1) US4817101A (fr)
JP (1) JPS63171328A (fr)
CA (2) CA1299712C (fr)
FR (1) FR2617281B1 (fr)
GB (4) GB2197118B (fr)

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Also Published As

Publication number Publication date
CA1299712C (fr) 1992-04-28
GB8923370D0 (en) 1989-12-06
FR2617281A1 (fr) 1988-12-30
US4817101A (en) 1989-03-28
JPS63171328A (ja) 1988-07-15
CA1315565C (fr) 1993-04-06
GB2197118A (en) 1988-05-11
GB2224880A (en) 1990-05-16
GB2197118B (en) 1991-05-15
GB8721570D0 (en) 1987-10-21
GB2224833A (en) 1990-05-16
GB8923371D0 (en) 1989-12-06
GB2224880B (en) 1991-05-08
GB2224834A (en) 1990-05-16
GB2224833B (en) 1991-05-22
GB8923372D0 (en) 1989-12-06
GB2224834B (en) 1991-07-17

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