EP1730563A4 - Optical mode noise averaging device - Google Patents

Optical mode noise averaging device

Info

Publication number
EP1730563A4
EP1730563A4 EP05712335A EP05712335A EP1730563A4 EP 1730563 A4 EP1730563 A4 EP 1730563A4 EP 05712335 A EP05712335 A EP 05712335A EP 05712335 A EP05712335 A EP 05712335A EP 1730563 A4 EP1730563 A4 EP 1730563A4
Authority
EP
European Patent Office
Prior art keywords
mode noise
optical mode
averaging device
noise averaging
optical
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.)
Ceased
Application number
EP05712335A
Other languages
German (de)
French (fr)
Other versions
EP1730563A1 (en
Inventor
Bernard Patrick Masterson
Eric C Huelson
Ian S Smith
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.)
Zolo Technologies Inc
Original Assignee
Zolo Technologies Inc
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
Priority claimed from PCT/US2004/010048 external-priority patent/WO2004090496A2/en
Application filed by Zolo Technologies Inc filed Critical Zolo Technologies Inc
Publication of EP1730563A1 publication Critical patent/EP1730563A1/en
Publication of EP1730563A4 publication Critical patent/EP1730563A4/en
Ceased 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
    • G01J3/30—Measuring the intensity of spectral lines directly on the spectrum itself
    • G01J3/36—Investigating two or more bands of a spectrum by separate detectors
    • 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
    • G01N21/35—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light
    • G01N21/3504—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light for analysing gases, e.g. multi-gas analysis
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B37/00—Manufacture or treatment of flakes, fibres, or filaments from softened glass, minerals, or slags
    • C03B37/07—Controlling or regulating
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23N—REGULATING OR CONTROLLING COMBUSTION
    • F23N5/00—Systems for controlling combustion
    • F23N5/02—Systems for controlling combustion using devices responsive to thermal changes or to thermal expansion of a medium
    • F23N5/08—Systems for controlling combustion using devices responsive to thermal changes or to thermal expansion of a medium using light-sensitive elements
    • F23N5/082—Systems for controlling combustion using devices responsive to thermal changes or to thermal expansion of a medium using light-sensitive elements using electronic means
    • 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
    • G01J3/0218—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
    • G01J3/02—Details
    • G01J3/027—Control of working procedures of a spectrometer; Failure detection; Bandwidth calculation
    • 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
    • G01J3/0297—Constructional arrangements for removing other types of optical noise or for performing calibration
    • 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
    • G01J3/108—Arrangements of light sources specially adapted for spectrometry or colorimetry for measurement in the infrared range
    • 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
    • G01J5/00—Radiation pyrometry, e.g. infrared or optical thermometry
    • G01J5/0014—Radiation pyrometry, e.g. infrared or optical thermometry for sensing the radiation from gases, flames
    • 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
    • G01J5/00—Radiation pyrometry, e.g. infrared or optical thermometry
    • G01J5/0014—Radiation pyrometry, e.g. infrared or optical thermometry for sensing the radiation from gases, flames
    • G01J5/0018—Flames, plasma or welding
    • 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
    • G01J5/00—Radiation pyrometry, e.g. infrared or optical thermometry
    • G01J5/58—Radiation pyrometry, e.g. infrared or optical thermometry using absorption; using extinction effect
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
    • G01K11/00—Measuring temperature based upon physical or chemical changes not covered by groups G01K3/00, G01K5/00, G01K7/00 or G01K9/00
    • G01K11/32—Measuring temperature based upon physical or chemical changes not covered by groups G01K3/00, G01K5/00, G01K7/00 or G01K9/00 using changes in transmittance, scattering or luminescence in optical fibres
    • 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
    • G01N21/35—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light
    • G01N21/359—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light using near infrared light
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
    • G01D5/00—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable
    • G01D5/26—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light
    • G01D5/32—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light
    • G01D5/34—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light the beams of light being detected by photocells
    • G01D5/353—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light the beams of light being detected by photocells influencing the transmission properties of an optical fibre
    • G01D5/35338—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light the beams of light being detected by photocells influencing the transmission properties of an optical fibre using other arrangements than interferometer arrangements
    • G01D5/35341—Sensor working in transmission
    • G01D5/35345—Sensor working in transmission using Amplitude variations to detect the measured quantity
    • 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
    • G01J5/00—Radiation pyrometry, e.g. infrared or optical thermometry
    • G01J5/02—Constructional details
    • G01J5/08—Optical arrangements
    • G01J5/0818—Waveguides
    • G01J5/0821—Optical fibres
    • 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
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/10—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings of the optical waveguide type
    • G02B6/14—Mode converters

Landscapes

  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Plasma & Fusion (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Mechanical Light Control Or Optical Switches (AREA)
  • Control Of Combustion (AREA)
EP05712335A 2004-03-31 2005-02-02 Optical mode noise averaging device Ceased EP1730563A4 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
PCT/US2004/010048 WO2004090496A2 (en) 2003-03-31 2004-03-31 Method and apparatus for the monitoring and control of combustion
PCT/US2005/002853 WO2005103781A1 (en) 2004-03-31 2005-02-02 Optical mode noise averaging device

Publications (2)

Publication Number Publication Date
EP1730563A1 EP1730563A1 (en) 2006-12-13
EP1730563A4 true EP1730563A4 (en) 2011-11-16

Family

ID=35197120

Family Applications (1)

Application Number Title Priority Date Filing Date
EP05712335A Ceased EP1730563A4 (en) 2004-03-31 2005-02-02 Optical mode noise averaging device

Country Status (7)

Country Link
EP (1) EP1730563A4 (en)
JP (1) JP2007534983A (en)
KR (1) KR101212439B1 (en)
CN (1) CN1938621B (en)
AU (1) AU2005236385A1 (en)
CA (1) CA2561711C (en)
WO (1) WO2005103781A1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111089661A (en) * 2019-12-04 2020-05-01 北京航空航天大学 Temperature rapid extraction method based on laser absorption spectrum

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB0623835D0 (en) * 2006-11-29 2007-01-10 Cascade Technologies Ltd Multi mode fibre perturber
JP5181689B2 (en) * 2008-01-18 2013-04-10 横河電機株式会社 Near-infrared light and infrared light spectrometer
JP5530153B2 (en) * 2009-03-04 2014-06-25 オリンパス株式会社 Scanning photodetection device
US8456634B2 (en) * 2009-06-15 2013-06-04 General Electric Company Optical interrogation sensors for combustion control
RU2530686C2 (en) * 2009-08-10 2014-10-10 Золо Текнолоджиз, Инк. Reduction of optic signal noise using multi-mode transmitting fibre
JP5455528B2 (en) * 2009-09-29 2014-03-26 三菱重工業株式会社 Combustion control device
US9366621B2 (en) 2012-04-19 2016-06-14 Zolo Technologies, Inc. In-furnace retro-reflectors with steerable tunable diode laser absorption spectrometer
US9746375B2 (en) * 2014-04-08 2017-08-29 Yokogawa Electric Corporation Systems, methods, and apparatus for optical noise management in optical spectroscopy
CN107543613B (en) * 2017-08-23 2024-02-02 西安科技大学 Underground infrared temperature measurement precision influence factor testing device and method
CN111175987A (en) * 2018-11-09 2020-05-19 青岛海信激光显示股份有限公司 Laser spot dissipation device, laser spot dissipation method and laser projection equipment

Citations (4)

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JPS63133035A (en) * 1986-11-26 1988-06-04 Anritsu Corp Light transmission characteristic tester
US20020158202A1 (en) * 2001-01-08 2002-10-31 Webber Michael E. Laser-based sensor for measuring combustion parameters
JP2003156698A (en) * 2001-11-22 2003-05-30 Toshiba Corp Laser light source device
JP2004354671A (en) * 2003-05-29 2004-12-16 Nikon Corp Speckle pattern dispersing device and laser light irradiation apparatus

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US4915468A (en) * 1987-02-20 1990-04-10 The Board Of Trustees Of The Leland Stanford Junior University Apparatus using two-mode optical waveguide with non-circular core
US4741586A (en) * 1987-02-20 1988-05-03 The Board Of Trustees Of The Leland Stanford Junior University Dynamic coupler using two-mode optical waveguides
DK0435825T3 (en) * 1989-12-27 1996-02-12 Ciba Geigy Ag Apparatus for homogenizing the inhomogeneous light distribution in a laser beam light beam
US5291013A (en) * 1991-12-06 1994-03-01 Alamed Corporation Fiber optical monitor for detecting normal breathing and heartbeat motion based on changes in speckle patterns
US5396506A (en) * 1993-12-09 1995-03-07 United Technologies Corporation Coupled multiple output fiber laser
CN1163665A (en) * 1994-12-23 1997-10-29 西门子公司 Process and arrangement for measuring magnetic field-using faraday effect with compensations in intensity and temperature effects
JPH10301153A (en) * 1997-04-23 1998-11-13 Sony Corp Light source device and optical measuring instrument and exposure device using it
JP4038631B2 (en) * 1998-08-28 2008-01-30 株式会社堀場製作所 High-speed measurement method and system for temperature, concentration, and chemical species using semiconductor laser spectroscopy
US6351587B1 (en) * 1999-11-12 2002-02-26 Lucent Technologies Inc. Multi-fiber digital delay line
JP2003084324A (en) * 2001-09-12 2003-03-19 Nippon Telegr & Teleph Corp <Ntt> Multimode waveguide
KR100417000B1 (en) * 2001-12-03 2004-02-05 삼성전자주식회사 Apparatus for low polarization mode dispersion
CN101408459B (en) 2003-03-31 2012-02-15 佐勒技术公司 Method and device for monitoring and controlling combusting course

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63133035A (en) * 1986-11-26 1988-06-04 Anritsu Corp Light transmission characteristic tester
US20020158202A1 (en) * 2001-01-08 2002-10-31 Webber Michael E. Laser-based sensor for measuring combustion parameters
JP2003156698A (en) * 2001-11-22 2003-05-30 Toshiba Corp Laser light source device
JP2004354671A (en) * 2003-05-29 2004-12-16 Nikon Corp Speckle pattern dispersing device and laser light irradiation apparatus

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2005103781A1 *

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111089661A (en) * 2019-12-04 2020-05-01 北京航空航天大学 Temperature rapid extraction method based on laser absorption spectrum
CN111089661B (en) * 2019-12-04 2020-11-03 北京航空航天大学 Temperature rapid extraction method based on laser absorption spectrum

Also Published As

Publication number Publication date
EP1730563A1 (en) 2006-12-13
WO2005103781A1 (en) 2005-11-03
KR101212439B1 (en) 2012-12-14
CN1938621B (en) 2015-04-01
CA2561711A1 (en) 2005-11-03
KR20060135850A (en) 2006-12-29
AU2005236385A1 (en) 2005-11-03
CA2561711C (en) 2012-12-18
CN1938621A (en) 2007-03-28
JP2007534983A (en) 2007-11-29

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