FR2400695A1 - Dispositif optique a reseau de diffraction et a balayage pour l'analyse d'echantillons - Google Patents

Dispositif optique a reseau de diffraction et a balayage pour l'analyse d'echantillons

Info

Publication number
FR2400695A1
FR2400695A1 FR7823614A FR7823614A FR2400695A1 FR 2400695 A1 FR2400695 A1 FR 2400695A1 FR 7823614 A FR7823614 A FR 7823614A FR 7823614 A FR7823614 A FR 7823614A FR 2400695 A1 FR2400695 A1 FR 2400695A1
Authority
FR
France
Prior art keywords
sample analysis
optical device
scan optical
diffraction network
sample
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.)
Granted
Application number
FR7823614A
Other languages
English (en)
Other versions
FR2400695B1 (fr
Inventor
Isaac J Landa
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.)
NEOTEC CORP
Original Assignee
NEOTEC CORP
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 NEOTEC CORP filed Critical NEOTEC CORP
Publication of FR2400695A1 publication Critical patent/FR2400695A1/fr
Application granted granted Critical
Publication of FR2400695B1 publication Critical patent/FR2400695B1/fr
Granted legal-status Critical Current

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
    • G01J3/26—Generating the spectrum; Monochromators using multiple reflection, e.g. Fabry-Perot interferometer, variable interference filters
    • 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
    • G01J3/0208—Optical elements not provided otherwise, e.g. optical manifolds, diffusers, windows using focussing or collimating elements, e.g. lenses or mirrors; performing aberration correction
    • 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
    • G01J3/0221—Optical elements not provided otherwise, e.g. optical manifolds, diffusers, windows using optical fibers the fibers defining an entry slit
    • 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
    • G01J3/0232—Optical elements not provided otherwise, e.g. optical manifolds, diffusers, windows using shutters
    • 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
    • G01J3/024—Optical elements not provided otherwise, e.g. optical manifolds, diffusers, windows using means for illuminating a slit efficiently (e.g. entrance slit of a spectrometer or entrance face of fiber)
    • 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
    • G01J3/0262—Constructional arrangements for removing stray light
    • 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
    • G01J3/06—Scanning arrangements arrangements for order-selection
    • 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
    • G01J3/10—Arrangements of light sources specially adapted for spectrometry or colorimetry
    • 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
    • G01J3/2889—Rapid scan spectrometers; Time resolved 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
    • G01J3/00—Spectrometry; Spectrophotometry; Monochromators; Measuring colours
    • G01J3/28—Investigating the spectrum
    • G01J3/42—Absorption spectrometry; Double beam spectrometry; Flicker spectrometry; Reflection spectrometry
    • G01J3/433—Modulation spectrometry; Derivative spectrometry
    • 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
    • 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
    • G01J2003/1273—Order selection
    • 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
    • G01J2003/2853—Averaging successive scans or readings
    • 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

Abstract

Dispositif optique à réseau de diffraction pour l'analyse d'échantillon. Le dispositif comprend un réseau de diffraction oscillant à vitesse élevée, une roue synchronisée ayant des segments foncés ou noirs, des fibres optiques pour recueillir la lumière de l'échantillon et la transmettre à un récepteur. Application à l'analyse quantitative d'échantillon, en agriculture, en médecine.
FR7823614A 1977-08-16 1978-08-10 Dispositif optique a reseau de diffraction et a balayage pour l'analyse d'echantillons Granted FR2400695A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/825,155 US4285596A (en) 1977-08-16 1977-08-16 Holographic diffraction grating system for rapid scan spectral analysis

Publications (2)

Publication Number Publication Date
FR2400695A1 true FR2400695A1 (fr) 1979-03-16
FR2400695B1 FR2400695B1 (fr) 1983-11-10

Family

ID=25243260

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7823614A Granted FR2400695A1 (fr) 1977-08-16 1978-08-10 Dispositif optique a reseau de diffraction et a balayage pour l'analyse d'echantillons

Country Status (7)

Country Link
US (1) US4285596A (fr)
JP (1) JPS5443082A (fr)
CA (1) CA1103074A (fr)
FR (1) FR2400695A1 (fr)
GB (2) GB2002921B (fr)
HU (1) HU182910B (fr)
SU (1) SU961570A3 (fr)

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DE3215879A1 (de) * 1982-04-29 1983-11-03 Fa. Carl Zeiss, 7920 Heidenheim Geraet zur spektrenmessung in der blutbahn
US4487504A (en) * 1982-09-01 1984-12-11 Pacific Scientific Instruments Company Reflectance measuring instrument with integrating sphere
JPS5961723A (ja) * 1982-10-01 1984-04-09 Matsushita Electric Ind Co Ltd 光スペクトル分析装置
US4540282A (en) * 1983-03-21 1985-09-10 Isaac Landa Apparatus for optically analyzing a sample
US4565447A (en) * 1983-11-21 1986-01-21 Millipore Corporation Photometric apparatus with multi-wavelength excitation
FR2581190B1 (fr) * 1985-04-25 1987-06-19 Elf France Detecteur interferometrique de gaz
US4804266A (en) * 1985-07-26 1989-02-14 Barspec Ltd. Continuously rotating grating rapid-scan spectrophotometer
US4883963A (en) * 1986-04-28 1989-11-28 Bran+Luebbe Gmbh Optical analysis method and apparatus having programmable rapid random wavelength access
US5040889A (en) * 1986-05-30 1991-08-20 Pacific Scientific Company Spectrometer with combined visible and ultraviolet sample illumination
US4752130A (en) * 1986-10-24 1988-06-21 The University Of Rochester Optical systems utilizing a volume transmission diffraction element to provide wavelength tuning
US4830493A (en) * 1987-10-29 1989-05-16 Beckman Instruments, Inc. UV scanning system for centrifuge
JPH0232803A (ja) * 1988-07-21 1990-02-02 Shiro Tomita 化粧用単板の製造方法
US5184193A (en) * 1989-01-04 1993-02-02 Guided Wave Dual fiber optic spectrophotometer
US4997281A (en) * 1989-08-24 1991-03-05 Stark Edward W Grating spectrometer
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
JPH0650814A (ja) * 1990-01-30 1994-02-25 Seca Corp 多スペクトル反射率計
US5262840A (en) * 1990-01-30 1993-11-16 Sequa Corporation Multispectral reflectometer
US5020909A (en) * 1990-03-02 1991-06-04 Landa Issac J "In-line" spectral reference method for spectrometers
US5039855A (en) * 1990-03-05 1991-08-13 Bran+Luebbe Analyzing Technologies, Inc. Dual beam acousto-optic tunable spectrometer
WO1992006361A1 (fr) * 1990-10-03 1992-04-16 Abbott Laboratories Fabrication d'elements optiques holographiques multifonctionnels et applications aux photometres
US5210590A (en) * 1992-02-18 1993-05-11 L. T. Industries, Inc. Rapid scanning spectrographic analyzer
US5303028A (en) * 1992-08-24 1994-04-12 Eastman Kodak Company Spectrometer apparatus for calibrating color imaging apparatus
US5589717A (en) * 1993-01-11 1996-12-31 Instruments Sa, Inc. Compact spectrum analyzer module
AU1700897A (en) * 1996-01-16 1997-08-11 Diasense, Inc. Methods and apparatus for non-invasive glucose sensing: spectrograph
US5652654A (en) * 1996-08-12 1997-07-29 Asimopoulos; George Dual beam spectrophotometer
US6587196B1 (en) 2000-01-26 2003-07-01 Sensys Medical, Inc. Oscillating mechanism driven monochromator
US6534768B1 (en) * 2000-10-30 2003-03-18 Euro-Oeltique, S.A. Hemispherical detector
US6862091B2 (en) * 2001-04-11 2005-03-01 Inlight Solutions, Inc. Illumination device and method for spectroscopic analysis
US6864490B1 (en) * 2002-06-27 2005-03-08 James H. Underwood Reflectometer device
US7483134B2 (en) * 2005-02-10 2009-01-27 Unity Scientific, Llc Scanning monochromator with direct drive grating
US20100052201A1 (en) * 2008-03-03 2010-03-04 Microgreen Polymers, Inc. Foamed cellular panels and related methods
US8735803B2 (en) * 2009-11-06 2014-05-27 Precision Energy Services, Inc Multi-channel detector assembly for downhole spectroscopy
US8436296B2 (en) * 2009-11-06 2013-05-07 Precision Energy Services, Inc. Filter wheel assembly for downhole spectroscopy
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Patent Citations (3)

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US3447873A (en) * 1966-03-10 1969-06-03 Beckman Instruments Inc Filter grating monochromator

Also Published As

Publication number Publication date
FR2400695B1 (fr) 1983-11-10
US4285596A (en) 1981-08-25
GB2002921A (en) 1979-02-28
CA1103074A (fr) 1981-06-16
JPS5443082A (en) 1979-04-05
GB2057162B (en) 1982-10-13
SU961570A3 (ru) 1982-09-23
HU182910B (en) 1984-03-28
GB2002921B (en) 1982-05-26
JPS6331730B2 (fr) 1988-06-27
GB2057162A (en) 1981-03-25

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