FR2849920B1 - Procede et dispositif d'obtention d'un signal optique a bruit reduit - Google Patents

Procede et dispositif d'obtention d'un signal optique a bruit reduit

Info

Publication number
FR2849920B1
FR2849920B1 FR0300313A FR0300313A FR2849920B1 FR 2849920 B1 FR2849920 B1 FR 2849920B1 FR 0300313 A FR0300313 A FR 0300313A FR 0300313 A FR0300313 A FR 0300313A FR 2849920 B1 FR2849920 B1 FR 2849920B1
Authority
FR
France
Prior art keywords
obtaining
optical signal
reduced noise
noise optical
reduced
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
FR0300313A
Other languages
English (en)
Other versions
FR2849920A1 (fr
Inventor
Marchand Alain Le
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.)
Horiba Jobin Yvon SAS
Original Assignee
Horiba Jobin Yvon SAS
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 Horiba Jobin Yvon SAS filed Critical Horiba Jobin Yvon SAS
Priority to FR0300313A priority Critical patent/FR2849920B1/fr
Priority to US10/756,096 priority patent/US7265824B2/en
Priority to JP2004005004A priority patent/JP2004219420A/ja
Publication of FR2849920A1 publication Critical patent/FR2849920A1/fr
Application granted granted Critical
Publication of FR2849920B1 publication Critical patent/FR2849920B1/fr
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • G01J3/28—Investigating the spectrum
    • 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
    • G01J1/20—Photometry, e.g. photographic exposure meter by comparison with reference light or electric value provisionally void intensity of the measured or reference value being varied to equalise their effects at the detectors, e.g. by varying incidence angle
    • G01J1/34—Photometry, e.g. photographic exposure meter by comparison with reference light or electric value provisionally void intensity of the measured or reference value being varied to equalise their effects at the detectors, e.g. by varying incidence angle using separate light paths used alternately or sequentially, e.g. flicker
    • G01J1/36—Photometry, e.g. photographic exposure meter by comparison with reference light or electric value provisionally void intensity of the measured or reference value being varied to equalise their effects at the detectors, e.g. by varying incidence angle using separate light paths used alternately or sequentially, e.g. flicker using electric radiation detectors
    • 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
    • G01J3/04—Slit arrangements slit adjustment
    • 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
    • G01J2003/2866—Markers; Calibrating of scan
    • G01J2003/2869—Background correcting

Landscapes

  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • General Physics & Mathematics (AREA)
  • Spectrometry And Color Measurement (AREA)
  • Optical Communication System (AREA)
FR0300313A 2003-01-13 2003-01-13 Procede et dispositif d'obtention d'un signal optique a bruit reduit Expired - Fee Related FR2849920B1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
FR0300313A FR2849920B1 (fr) 2003-01-13 2003-01-13 Procede et dispositif d'obtention d'un signal optique a bruit reduit
US10/756,096 US7265824B2 (en) 2003-01-13 2004-01-13 Method and device for obtaining a low-noise optical signal
JP2004005004A JP2004219420A (ja) 2003-01-13 2004-01-13 低ノイズ光信号を得る方法と装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0300313A FR2849920B1 (fr) 2003-01-13 2003-01-13 Procede et dispositif d'obtention d'un signal optique a bruit reduit

Publications (2)

Publication Number Publication Date
FR2849920A1 FR2849920A1 (fr) 2004-07-16
FR2849920B1 true FR2849920B1 (fr) 2005-04-01

Family

ID=32524865

Family Applications (1)

Application Number Title Priority Date Filing Date
FR0300313A Expired - Fee Related FR2849920B1 (fr) 2003-01-13 2003-01-13 Procede et dispositif d'obtention d'un signal optique a bruit reduit

Country Status (3)

Country Link
US (1) US7265824B2 (fr)
JP (1) JP2004219420A (fr)
FR (1) FR2849920B1 (fr)

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3102155A (en) * 1955-02-16 1963-08-27 Technicon Instr Background compensation for spectrometers used in quantitative spectrochemical studies
US3837744A (en) * 1969-09-17 1974-09-24 Environmental Data Corp Spectrometers
GB1353013A (en) * 1970-03-02 1974-05-15 Johnson Matthey Co Ltd Spectrometers and spectrometry
US3820898A (en) * 1972-08-30 1974-06-28 Ssr Instr Co Multi channel radiation analyzer
US4464051A (en) * 1982-03-02 1984-08-07 The Perkin-Elmer Corporation Spectrophotometer
US4893259A (en) * 1988-06-02 1990-01-09 The Perkin-Elmer Corporation Standardization of spectral lines
US5022755A (en) * 1989-05-09 1991-06-11 Varian Associates, Inc. Photodiode configurations for simultaneous background correction and specific wavelength detection
US5291426A (en) * 1991-02-27 1994-03-01 The Perkin-Elmer Corporation Method of correcting spectral data for background
JP2002243584A (ja) * 2001-02-21 2002-08-28 Ando Electric Co Ltd Ｓｎｒ計算方法及び光スペクトラム測定装置

Also Published As

Publication number Publication date
JP2004219420A (ja) 2004-08-05
US7265824B2 (en) 2007-09-04
US20040156046A1 (en) 2004-08-12
FR2849920A1 (fr) 2004-07-16

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Legal Events

Date Code Title Description
ST Notification of lapse

Effective date: 20091030