AU619940B2 - Fourier transform discrimination - Google Patents

Fourier transform discrimination

Info

Publication number
AU619940B2
AU619940B2 AU48581/90A AU4858190A AU619940B2 AU 619940 B2 AU619940 B2 AU 619940B2 AU 48581/90 A AU48581/90 A AU 48581/90A AU 4858190 A AU4858190 A AU 4858190A AU 619940 B2 AU619940 B2 AU 619940B2
Authority
AU
Australia
Prior art keywords
discrimination
fourier transform
fourier
transform
transform discrimination
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
AU48581/90A
Other versions
AU4858190A (en
Inventor
Christopher Bruce Mills
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.)
De Beers Industrial Diamond Division Pty Ltd
Original Assignee
De Beers Industrial Diamond Division Pty Ltd
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 De Beers Industrial Diamond Division Pty Ltd filed Critical De Beers Industrial Diamond Division Pty Ltd
Publication of AU4858190A publication Critical patent/AU4858190A/en
Application granted granted Critical
Publication of AU619940B2 publication Critical patent/AU619940B2/en
Anticipated expiration legal-status Critical
Ceased 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
    • G01N21/62—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
    • 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
    • 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
    • G01J3/45—Interferometric spectrometry
    • G01J3/453—Interferometric spectrometry by correlation of the amplitudes
    • 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)
  • Health & Medical Sciences (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Investigating, Analyzing Materials By Fluorescence Or Luminescence (AREA)
AU48581/90A 1989-01-19 1990-01-19 Fourier transform discrimination Ceased AU619940B2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ZA89/0436 1989-01-19
ZA89436 1989-01-19

Publications (2)

Publication Number Publication Date
AU4858190A AU4858190A (en) 1990-07-26
AU619940B2 true AU619940B2 (en) 1992-02-06

Family

ID=25579562

Family Applications (1)

Application Number Title Priority Date Filing Date
AU48581/90A Ceased AU619940B2 (en) 1989-01-19 1990-01-19 Fourier transform discrimination

Country Status (2)

Country Link
AU (1) AU619940B2 (en)
GB (1) GB2228317B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2280956B (en) * 1991-02-20 1995-08-30 Gersan Ets Classifying or sorting
GB9103552D0 (en) * 1991-02-20 1991-04-10 Gersan Ets Classifying or sorting
WO2011094513A2 (en) * 2010-01-29 2011-08-04 Board Of Regents, The University Of Texas System Superior analyzer for raman spectra with high acceptance cone, resolution, transmission, and quantum efficiency, and strong background reduction

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU4858090A (en) * 1989-01-19 1990-07-26 De Beers Industrial Diamond Division (Proprietary) Limited Determination of background radiation

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU4858090A (en) * 1989-01-19 1990-07-26 De Beers Industrial Diamond Division (Proprietary) Limited Determination of background radiation

Also Published As

Publication number Publication date
AU4858190A (en) 1990-07-26
GB9001326D0 (en) 1990-03-21
GB2228317B (en) 1993-02-10
GB2228317A (en) 1990-08-22

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Legal Events

Date Code Title Description
MK14 Patent ceased section 143(a) (annual fees not paid) or expired