FR2661986B1 - Appareil autonome de lecture d'un capteur chimique actif a au moins une fibre optique et procede pour sa mise en óoeuvre. - Google Patents
Appareil autonome de lecture d'un capteur chimique actif a au moins une fibre optique et procede pour sa mise en óoeuvre.Info
- Publication number
- FR2661986B1 FR2661986B1 FR9005986A FR9005986A FR2661986B1 FR 2661986 B1 FR2661986 B1 FR 2661986B1 FR 9005986 A FR9005986 A FR 9005986A FR 9005986 A FR9005986 A FR 9005986A FR 2661986 B1 FR2661986 B1 FR 2661986B1
- Authority
- FR
- France
- Prior art keywords
- reading
- implementation
- optical fiber
- chemical sensor
- active chemical
- 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
Links
- 239000013307 optical fiber Substances 0.000 title 1
- 239000000126 substance Substances 0.000 title 1
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
- G01N21/255—Details, e.g. use of specially adapted sources, lighting or optical systems
-
- 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
- G01N21/75—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated
- G01N21/77—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated by observing the effect on a chemical indicator
- G01N21/7703—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated by observing the effect on a chemical indicator using reagent-clad optical fibres or optical waveguides
-
- 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
- G01J1/00—Photometry, e.g. photographic exposure meter
- G01J1/42—Photometry, e.g. photographic exposure meter using electric radiation detectors
- G01J2001/4242—Modulated light, e.g. for synchronizing source and detector circuit
-
- 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
- G01N21/01—Arrangements or apparatus for facilitating the optical investigation
- G01N2021/0106—General arrangement of respective parts
- G01N2021/0112—Apparatus in one mechanical, optical or electronic block
-
- 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
- G01N21/314—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry with comparison of measurements at specific and non-specific wavelengths
- G01N2021/3148—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry with comparison of measurements at specific and non-specific wavelengths using three or more wavelengths
-
- 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
- G01N21/314—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry with comparison of measurements at specific and non-specific wavelengths
- G01N2021/3181—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry with comparison of measurements at specific and non-specific wavelengths using LEDs
-
- 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
- G01N21/75—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated
- G01N21/77—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated by observing the effect on a chemical indicator
- G01N21/78—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated by observing the effect on a chemical indicator producing a change of colour
- G01N21/80—Indicating pH value
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9005986A FR2661986B1 (fr) | 1990-05-14 | 1990-05-14 | Appareil autonome de lecture d'un capteur chimique actif a au moins une fibre optique et procede pour sa mise en óoeuvre. |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9005986A FR2661986B1 (fr) | 1990-05-14 | 1990-05-14 | Appareil autonome de lecture d'un capteur chimique actif a au moins une fibre optique et procede pour sa mise en óoeuvre. |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2661986A1 FR2661986A1 (fr) | 1991-11-15 |
FR2661986B1 true FR2661986B1 (fr) | 1992-07-17 |
Family
ID=9396581
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR9005986A Expired - Lifetime FR2661986B1 (fr) | 1990-05-14 | 1990-05-14 | Appareil autonome de lecture d'un capteur chimique actif a au moins une fibre optique et procede pour sa mise en óoeuvre. |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR2661986B1 (fr) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19811150C2 (de) * | 1998-03-14 | 2002-05-02 | Bernd Spangenberg | Dünnschichtchromatographiegerät |
DE69937126T2 (de) * | 1998-07-17 | 2008-06-12 | Vertex Pharmaceuticals (San Diego) Llc, San Diego | Detektor und Siebvorrichtung für Ionenkanäle |
US6608671B2 (en) | 1998-07-17 | 2003-08-19 | Vertex Pharmaceuticals (San Diego) Llc | Detector and screening device for ion channels |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3541165A1 (de) * | 1985-11-21 | 1987-05-27 | Hellige Gmbh | Vorrichtung zur kontinuierlichen bestimmung von konzentrationsaenderungen in stoffgemischen |
US4800885A (en) * | 1987-12-02 | 1989-01-31 | The Boc Group, Inc. | Blood constituent monitoring apparatus and methods with frequency division multiplexing |
-
1990
- 1990-05-14 FR FR9005986A patent/FR2661986B1/fr not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
FR2661986A1 (fr) | 1991-11-15 |
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Legal Events
Date | Code | Title | Description |
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ST | Notification of lapse |