FR2580805B1 - Spectrophotometre a tres haute resolution - Google Patents
Spectrophotometre a tres haute resolutionInfo
- Publication number
- FR2580805B1 FR2580805B1 FR8506172A FR8506172A FR2580805B1 FR 2580805 B1 FR2580805 B1 FR 2580805B1 FR 8506172 A FR8506172 A FR 8506172A FR 8506172 A FR8506172 A FR 8506172A FR 2580805 B1 FR2580805 B1 FR 2580805B1
- Authority
- FR
- France
- Prior art keywords
- high resolution
- spectrophotometer
- resolution spectrophotometer
- resolution
- 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
Links
Classifications
-
- 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
- G01J3/00—Spectrometry; Spectrophotometry; Monochromators; Measuring colours
- G01J3/12—Generating the spectrum; Monochromators
- G01J3/18—Generating the spectrum; Monochromators using diffraction elements, e.g. grating
- G01J3/1838—Holographic gratings
-
- 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
- G01J3/00—Spectrometry; Spectrophotometry; Monochromators; Measuring colours
- G01J3/02—Details
-
- 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
- G01J3/00—Spectrometry; Spectrophotometry; Monochromators; Measuring colours
- G01J3/02—Details
- G01J3/0205—Optical elements not provided otherwise, e.g. optical manifolds, diffusers, windows
- G01J3/0216—Optical elements not provided otherwise, e.g. optical manifolds, diffusers, windows using light concentrators or collectors or condensers
-
- 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
- G01J3/00—Spectrometry; Spectrophotometry; Monochromators; Measuring colours
- G01J3/02—Details
- G01J3/0205—Optical elements not provided otherwise, e.g. optical manifolds, diffusers, windows
- G01J3/0218—Optical elements not provided otherwise, e.g. optical manifolds, diffusers, windows using optical fibers
-
- 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
- G01J3/00—Spectrometry; Spectrophotometry; Monochromators; Measuring colours
- G01J3/28—Investigating the spectrum
- G01J3/42—Absorption spectrometry; Double beam spectrometry; Flicker spectrometry; Reflection spectrometry
-
- 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
- G01J1/10—Photometry, e.g. photographic exposure meter by comparison with reference light or electric value provisionally void
- G01J1/16—Photometry, e.g. photographic exposure meter by comparison with reference light or electric value provisionally void using electric radiation detectors
- G01J1/1626—Arrangements with two photodetectors, the signals of which are compared
-
- 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
- G01J1/10—Photometry, e.g. photographic exposure meter by comparison with reference light or electric value provisionally void
- G01J1/16—Photometry, e.g. photographic exposure meter by comparison with reference light or electric value provisionally void using electric radiation detectors
- G01J2001/161—Ratio method, i.e. Im/Ir
-
- 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
- G01N2021/1748—Comparative step being essential in the method
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2201/00—Features of devices classified in G01N21/00
- G01N2201/06—Illumination; Optics
- G01N2201/069—Supply of sources
- G01N2201/0696—Pulsed
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2201/00—Features of devices classified in G01N21/00
- G01N2201/08—Optical fibres; light guides
Landscapes
- Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- General Physics & Mathematics (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR8506172A FR2580805B1 (fr) | 1985-04-23 | 1985-04-23 | Spectrophotometre a tres haute resolution |
US06/728,295 US4696570A (en) | 1985-04-23 | 1985-04-29 | Spectrophotometer with statistically balanced light for very high resolution |
CA000486685A CA1242335A (fr) | 1985-04-23 | 1985-07-11 | Spectrophotometre a tres haute resolution |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR8506172A FR2580805B1 (fr) | 1985-04-23 | 1985-04-23 | Spectrophotometre a tres haute resolution |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2580805A1 FR2580805A1 (fr) | 1986-10-24 |
FR2580805B1 true FR2580805B1 (fr) | 1987-12-31 |
Family
ID=9318577
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR8506172A Expired FR2580805B1 (fr) | 1985-04-23 | 1985-04-23 | Spectrophotometre a tres haute resolution |
Country Status (3)
Country | Link |
---|---|
US (1) | US4696570A (fr) |
CA (1) | CA1242335A (fr) |
FR (1) | FR2580805B1 (fr) |
Families Citing this family (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4909633A (en) * | 1986-05-12 | 1990-03-20 | Minolta Camera Kabushiki Kaisha | Multi-channel spectral light measuring device |
GB8700061D0 (en) * | 1987-01-05 | 1987-02-11 | Whatman Reeve Angel Plc | Light absorption analyser |
DE3855086T2 (de) * | 1987-05-06 | 1996-07-25 | Fuji Photo Film Co Ltd | Gerät zur Dichtemessung und seine Verwendung |
US5014216A (en) * | 1988-07-19 | 1991-05-07 | Beckman Instruments, Inc. | Concentration determination with multiple wavelength flash photometers |
EP0358830A1 (fr) * | 1988-09-12 | 1990-03-21 | Instruments S.A. - Division Jobin-Yvon | Système optique à faible bruit |
US5184193A (en) * | 1989-01-04 | 1993-02-02 | Guided Wave | Dual fiber optic spectrophotometer |
US5055684A (en) * | 1989-12-06 | 1991-10-08 | Nirsystems Incorporated | System to reduce wave shift error in spectrophotometer caused by hot spots in the light source |
US5157465A (en) * | 1990-10-11 | 1992-10-20 | Kronberg James W | Universal fiber-optic C.I.E. colorimeter |
US5455674A (en) * | 1992-06-26 | 1995-10-03 | Instruments Sa, Inc. | Method and apparatus for forensic examination of surfaces |
US6204919B1 (en) | 1993-07-22 | 2001-03-20 | Novachem Bv | Double beam spectrometer |
JPH08271337A (ja) * | 1995-03-31 | 1996-10-18 | Yokogawa Electric Corp | 分光器 |
US5652654A (en) * | 1996-08-12 | 1997-07-29 | Asimopoulos; George | Dual beam spectrophotometer |
DK199900492A (da) * | 1999-04-14 | 2000-10-15 | Foss Electric As | Spektrometer |
JP4881855B2 (ja) * | 2005-03-29 | 2012-02-22 | シスメックス株式会社 | 検体分析方法および検体分析装置 |
US7339668B2 (en) * | 2005-10-18 | 2008-03-04 | Thermo Electron Scientific Instruments Llc | Spectrometer for analysis of multiple samples |
FR3001292B1 (fr) * | 2013-01-24 | 2017-10-27 | Airbus Operations Sas | Procede et dispositif de mesure de la concentration en agent d'extinction dans une zone feu |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3569721A (en) * | 1969-01-13 | 1971-03-09 | American Optical Corp | Measuring bilirubin in blood using light at two wavelengths |
US3810696A (en) * | 1973-02-20 | 1974-05-14 | Waters Associates Inc | Improved analytical apparatus for measuring light absorbance of fluids |
US3942898A (en) * | 1974-07-25 | 1976-03-09 | Beckman Instruments, Inc. | Densitometer for measuring the density of an optical element such as a film badge |
FR2303274A1 (fr) * | 1975-03-06 | 1976-10-01 | Marteau D Autry Eric | Ensemble detecteur pour analyse spectrophotometrique differentielle |
US4022529A (en) * | 1975-12-11 | 1977-05-10 | White John U | Feature extraction system for extracting a predetermined feature from a signal |
JPS5347885A (en) * | 1976-10-12 | 1978-04-28 | Kyoto Daiichi Kagaku Kk | Absorbance analyzer |
CA1115545A (fr) * | 1978-01-20 | 1982-01-05 | Michel Moulin | Spectrophotometre |
JPS6016567B2 (ja) * | 1978-03-07 | 1985-04-26 | ミノルタ株式会社 | 光学的測定装置 |
US4259014A (en) * | 1979-04-03 | 1981-03-31 | Princeton Applied Research Corporation | Fiber optic polychromator |
JPS58219435A (ja) * | 1982-06-16 | 1983-12-20 | Toshiba Corp | 複光束分光光度計 |
HU187188B (en) * | 1982-11-25 | 1985-11-28 | Koezponti Elelmiszeripari | Device for generating radiation of controllable spectral structure |
US4566792A (en) * | 1983-02-04 | 1986-01-28 | Shimadzu Corporation | Multi-channel spectrophotometric measuring device |
-
1985
- 1985-04-23 FR FR8506172A patent/FR2580805B1/fr not_active Expired
- 1985-04-29 US US06/728,295 patent/US4696570A/en not_active Expired - Fee Related
- 1985-07-11 CA CA000486685A patent/CA1242335A/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
US4696570A (en) | 1987-09-29 |
FR2580805A1 (fr) | 1986-10-24 |
CA1242335A (fr) | 1988-09-27 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |