GB2228317B - Fourier transform discrimination - Google Patents

Fourier transform discrimination

Info

Publication number
GB2228317B
GB2228317B GB9001326A GB9001326A GB2228317B GB 2228317 B GB2228317 B GB 2228317B GB 9001326 A GB9001326 A GB 9001326A GB 9001326 A GB9001326 A GB 9001326A GB 2228317 B GB2228317 B GB 2228317B
Authority
GB
United Kingdom
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.)
Expired - Fee Related
Application number
GB9001326A
Other versions
GB2228317A (en
GB9001326D0 (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 GB9001326D0 publication Critical patent/GB9001326D0/en
Publication of GB2228317A publication Critical patent/GB2228317A/en
Application granted granted Critical
Publication of GB2228317B publication Critical patent/GB2228317B/en
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
    • G01N21/62—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)
GB9001326A 1989-01-19 1990-01-19 Fourier transform discrimination Expired - Fee Related GB2228317B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ZA89436 1989-01-19

Publications (3)

Publication Number Publication Date
GB9001326D0 GB9001326D0 (en) 1990-03-21
GB2228317A GB2228317A (en) 1990-08-22
GB2228317B true GB2228317B (en) 1993-02-10

Family

ID=25579562

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9001326A Expired - Fee Related GB2228317B (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
GB9103552D0 (en) * 1991-02-20 1991-04-10 Gersan Ets Classifying or sorting
GB2280956B (en) * 1991-02-20 1995-08-30 Gersan Ets Classifying or sorting
US8384894B2 (en) * 2010-01-29 2013-02-26 Board Of Regents Of The University Of Texas System Superior analyzer for raman spectra with high acceptance cone, resolution, transmission, and quantum efficiency, and strong background reduction

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU620681B2 (en) * 1989-01-19 1992-02-20 De Beers Industrial Diamond Division (Proprietary) Limited Determination of background radiation

Also Published As

Publication number Publication date
GB2228317A (en) 1990-08-22
GB9001326D0 (en) 1990-03-21
AU619940B2 (en) 1992-02-06
AU4858190A (en) 1990-07-26

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20000119