DE69918546D1 - Verfahren zur anregung eines optischen resonators zum nachweis von gasspuren - Google Patents

Verfahren zur anregung eines optischen resonators zum nachweis von gasspuren

Info

Publication number
DE69918546D1
DE69918546D1 DE69918546T DE69918546T DE69918546D1 DE 69918546 D1 DE69918546 D1 DE 69918546D1 DE 69918546 T DE69918546 T DE 69918546T DE 69918546 T DE69918546 T DE 69918546T DE 69918546 D1 DE69918546 D1 DE 69918546D1
Authority
DE
Germany
Prior art keywords
exciting
optical resonator
detect gas
tracks
gas tracks
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 - Lifetime
Application number
DE69918546T
Other languages
English (en)
Other versions
DE69918546T2 (de
Inventor
Daniele Romanini
Alexandre Katchanov
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.)
Universite Joseph Fourier Grenoble 1
Original Assignee
Universite Joseph Fourier Grenoble 1
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 Universite Joseph Fourier Grenoble 1 filed Critical Universite Joseph Fourier Grenoble 1
Publication of DE69918546D1 publication Critical patent/DE69918546D1/de
Application granted granted Critical
Publication of DE69918546T2 publication Critical patent/DE69918546T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Analytical Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Optics & Photonics (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Lasers (AREA)
DE69918546T 1998-04-30 1999-04-30 Verfahren zur anregung eines optischen resonators zum nachweis von gasspuren Expired - Lifetime DE69918546T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FR9805753 1998-04-30
FR9805753A FR2778244B1 (fr) 1998-04-30 1998-04-30 Procede d'excitation d'une cavite optique pour la detection de gaz a l'etat de traces
PCT/FR1999/001030 WO1999057542A1 (fr) 1998-04-30 1999-04-30 Procede d'excitation d'une cavite optique pour la detection de gaz a l'etat de traces

Publications (2)

Publication Number Publication Date
DE69918546D1 true DE69918546D1 (de) 2004-08-12
DE69918546T2 DE69918546T2 (de) 2005-07-28

Family

ID=9526106

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69918546T Expired - Lifetime DE69918546T2 (de) 1998-04-30 1999-04-30 Verfahren zur anregung eines optischen resonators zum nachweis von gasspuren

Country Status (7)

Country Link
US (1) US6504145B1 (de)
EP (1) EP1075651B1 (de)
AR (1) AR015281A1 (de)
CA (1) CA2330531C (de)
DE (1) DE69918546T2 (de)
FR (1) FR2778244B1 (de)
WO (1) WO1999057542A1 (de)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2830617B1 (fr) * 2001-10-10 2004-01-30 Univ Joseph Fourier Dispositif a laser couple a une cavite par retroaction optique pour la detection de traces de gaz
US20050062972A1 (en) * 2003-09-22 2005-03-24 Krusen Calvin R. System and method for cavity ring-down spectroscopy using continuously varying continuous wave excitation
US7569823B2 (en) * 2006-11-10 2009-08-04 The George Washington University Compact near-IR and mid-IR cavity ring down spectroscopy device
US7541586B2 (en) * 2006-11-10 2009-06-02 The George Washington University Compact near-IR and mid-IR cavity ring down spectroscopy device
US20090056418A1 (en) * 2007-08-30 2009-03-05 Honeywell International Inc. Method and System for Groundwater Contaminant Monitoring
DE102007042172A1 (de) 2007-09-05 2009-03-12 Fabiola Basan Verfahren und optische Anordnung zur breitbandigen Messung geringer optischer Verluste
DE202008006598U1 (de) 2008-04-11 2008-10-02 Alk-Abelló A/S Allergie-Impfstoff-Formulierung zur mucosalen Verabreichung
FR2938916B1 (fr) * 2008-11-24 2012-10-19 Ap2E Dispositif d'echantillonnage de gaz.
US8911145B2 (en) 2009-11-20 2014-12-16 The United States Of America As Represented By The Secretary Of The Navy Method to measure the characteristics in an electrical component
US8327686B2 (en) * 2010-03-02 2012-12-11 Li-Cor, Inc. Method and apparatus for the photo-acoustic identification and quantification of analyte species in a gaseous or liquid medium
CN101871879B (zh) * 2010-07-16 2011-11-09 中南大学 基于微谐振环阵列分光技术的微量气体探测方法及探测器
US8665442B2 (en) 2011-08-18 2014-03-04 Li-Cor, Inc. Cavity enhanced laser based isotopic gas analyzer
US8659759B2 (en) 2011-08-25 2014-02-25 Li-Cor, Inc. Laser based cavity enhanced optical absorption gas analyzer
US8659758B2 (en) 2011-10-04 2014-02-25 Li-Cor, Inc. Laser based cavity enhanced optical absorption gas analyzer with laser feedback optimization
WO2013192381A1 (en) * 2012-06-20 2013-12-27 Cornell University High frequency resonator modulator apparatus, method and applications
EP2914953B1 (de) * 2012-11-02 2020-03-25 Li-Cor, Inc. Resonanzverstärkte laserbasierte gasanalysatorsysteme und verfahren
US8885167B2 (en) 2012-11-02 2014-11-11 Li-Cor, Inc. Cavity enhanced laser based gas analyzer systems and methods
US9194742B2 (en) * 2012-11-02 2015-11-24 Li-Cor, Inc. Cavity enhanced laser based gas analyzer systems and methods
US10925515B2 (en) 2014-05-22 2021-02-23 Picomole Inc. Alveolar breath collection apparatus
US10666012B2 (en) 2017-03-13 2020-05-26 Picomole Inc. Apparatus and method of optimizing laser system
US10527492B2 (en) 2017-05-16 2020-01-07 Li-Cor, Inc. Mode matching method for absorption spectroscopy systems
US10168275B2 (en) 2017-05-23 2019-01-01 International Business Machines Corporation Untuned resonance traced gas sensing
US10724946B2 (en) 2017-09-19 2020-07-28 Sparrow Detect, Inc. Tunable light source cavity detection using a plurality of axial-plus-transverse modes
US11022544B2 (en) 2017-09-19 2021-06-01 Sparrow Detect, Inc. Generating signatures based on sensing gas concentration conditions
US11035789B2 (en) 2019-04-03 2021-06-15 Picomole Inc. Cavity ring-down spectroscopy system and method of modulating a light beam therein
US11782049B2 (en) 2020-02-28 2023-10-10 Picomole Inc. Apparatus and method for collecting a breath sample using a container with controllable volume
US11957450B2 (en) 2020-02-28 2024-04-16 Picomole Inc. Apparatus and method for collecting a breath sample using an air circulation system

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4793709A (en) * 1985-08-16 1988-12-27 Litton Systems, Inc. Method and apparatus for measuring the losses of an optical cavity
US5026991A (en) * 1989-09-20 1991-06-25 Spectral Sciences, Inc. Gaseous species absorption monitor
US5432610A (en) * 1994-04-15 1995-07-11 Hewlett-Packard Company Diode-pumped power build-up cavity for chemical sensing
US5528040A (en) * 1994-11-07 1996-06-18 Trustees Of Princeton University Ring-down cavity spectroscopy cell using continuous wave excitation for trace species detection
US5912740A (en) * 1997-06-20 1999-06-15 The Board Of Trustees Of The Leland Stanford Junior University Ring resonant cavities for spectroscopy

Also Published As

Publication number Publication date
US6504145B1 (en) 2003-01-07
CA2330531A1 (en) 1999-11-11
DE69918546T2 (de) 2005-07-28
WO1999057542A1 (fr) 1999-11-11
FR2778244B1 (fr) 2000-07-13
AR015281A1 (es) 2001-04-18
FR2778244A1 (fr) 1999-11-05
EP1075651A1 (de) 2001-02-14
CA2330531C (en) 2009-04-28
EP1075651B1 (de) 2004-07-07

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