DE69819136D1 - Kontrollvorrichtung und verfahren basierend auf rayleigh rückstreung - Google Patents

Kontrollvorrichtung und verfahren basierend auf rayleigh rückstreung

Info

Publication number
DE69819136D1
DE69819136D1 DE69819136T DE69819136T DE69819136D1 DE 69819136 D1 DE69819136 D1 DE 69819136D1 DE 69819136 T DE69819136 T DE 69819136T DE 69819136 T DE69819136 T DE 69819136T DE 69819136 D1 DE69819136 D1 DE 69819136D1
Authority
DE
Germany
Prior art keywords
rayleigh
reverse
control device
method based
rayleigh reverse
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
DE69819136T
Other languages
English (en)
Other versions
DE69819136T2 (de
Inventor
M Jarvis
J O'donnell
Eamon O'connor
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.)
Rosemount Inc
Original Assignee
Rosemount Analytical 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
Application filed by Rosemount Analytical Inc filed Critical Rosemount Analytical Inc
Application granted granted Critical
Publication of DE69819136D1 publication Critical patent/DE69819136D1/de
Publication of DE69819136T2 publication Critical patent/DE69819136T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

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
    • G01N21/84—Systems specially adapted for particular applications
    • G01N21/85—Investigating moving fluids or granular solids
    • G01N21/8507—Probe photometers, i.e. with optical measuring part dipped into fluid sample
    • 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
    • G01J3/44—Raman spectrometry; Scattering spectrometry ; Fluorescence 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
    • G01N21/62—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light
    • G01N21/63—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light optically excited
    • G01N21/65—Raman scattering
    • 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
    • G01N21/62—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light
    • G01N21/63—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light optically excited
    • G01N21/65—Raman scattering
    • G01N2021/653—Coherent methods [CARS]
    • G01N2021/656—Raman microprobe

Landscapes

  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • General Physics & Mathematics (AREA)
  • General Health & Medical Sciences (AREA)
  • Biochemistry (AREA)
  • Analytical Chemistry (AREA)
  • Chemical & Material Sciences (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Investigating, Analyzing Materials By Fluorescence Or Luminescence (AREA)
DE69819136T 1997-03-14 1998-03-06 "vorrichtung und verfahren zum steuern von rayleigh-rückstreuung" Expired - Fee Related DE69819136T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US3908497P 1997-03-14 1997-03-14
US39084P 1997-03-14
PCT/US1998/004375 WO1998041846A1 (en) 1997-03-14 1998-03-06 Improved rayleigh backscatter control apparatus and method

Publications (2)

Publication Number Publication Date
DE69819136D1 true DE69819136D1 (de) 2003-11-27
DE69819136T2 DE69819136T2 (de) 2004-07-15

Family

ID=21903581

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69819136T Expired - Fee Related DE69819136T2 (de) 1997-03-14 1998-03-06 "vorrichtung und verfahren zum steuern von rayleigh-rückstreuung"

Country Status (5)

Country Link
US (1) US6008488A (de)
EP (1) EP0966669B1 (de)
JP (1) JP2001515595A (de)
DE (1) DE69819136T2 (de)
WO (1) WO1998041846A1 (de)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1998041849A1 (en) * 1997-03-14 1998-09-24 Rosemount Analytical Inc. Improved rayleigh backscatter control apparatus and method
US6711309B1 (en) * 1999-01-28 2004-03-23 The University Of Sydney Noise suppression in lightwave communication systems
US8540422B2 (en) 2010-10-04 2013-09-24 Cameron Health, Inc. Electrical component behavior analysis tools
US10371641B2 (en) 2016-01-21 2019-08-06 TimeGate Instruments Oy Method and apparatus for measuring inelastic scattering
CN111122541B (zh) * 2019-12-25 2023-03-14 桂林电子科技大学 一种区分拉曼信号和荧光信号的光纤探针系统

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3985508A (en) * 1975-10-28 1976-10-12 Melvin Williams Automated chemical analyzer
US4127329A (en) * 1976-12-21 1978-11-28 Northeast Utilities Service Company Raman scattering system and method for aerosol monitoring
US4648714A (en) * 1985-09-11 1987-03-10 University Of Utah Molecular gas analysis by Raman scattering in intracavity laser configuration
US4953976A (en) * 1989-03-20 1990-09-04 Spectral Sciences, Inc. Gas species monitor system
GB8912219D0 (en) * 1989-05-26 1989-07-12 Univ Manchester Sensing apparatus and method
US5112127A (en) * 1989-11-28 1992-05-12 Eic Laboratories, Inc. Apparatus for measuring Raman spectra over optical fibers
US5455673A (en) * 1994-05-27 1995-10-03 Eastman Chemical Company Apparatus and method for measuring and applying a convolution function to produce a standard Raman spectrum
US5657404A (en) * 1995-05-25 1997-08-12 Eastman Chemical Company Robust spectroscopic optical probe

Also Published As

Publication number Publication date
DE69819136T2 (de) 2004-07-15
EP0966669A1 (de) 1999-12-29
US6008488A (en) 1999-12-28
EP0966669B1 (de) 2003-10-22
WO1998041846A1 (en) 1998-09-24
JP2001515595A (ja) 2001-09-18

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee