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Spectral measuring method and spectral measuring apparatus

  • US 5,617,205 A
  • Filed: 06/26/1996
  • Issued: 04/01/1997
  • Est. Priority Date: 06/28/1995
  • Status: Expired due to Term
First Claim
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1. A spectral measuring method comprising steps of:

  • dividing excitation light of a single wavelength into a sample beam and a correction beam;

    irradiating a sample with said sample beam;

    selectively receiving at least either fluorescence or Raman scattered light as target light from light being obtained from said sample by said irradiation with said sample beam after removing the same wavelength component as said excitation light;

    simultaneously introducing received said target light and said correction beam into a single spectroscope as a single light beam and separating the light beam into spectral components thereby obtaining a spectrum;

    finding a spectral intensity at a prescribed wavelength or an integral value in a proper wavelength range from said spectrum as a measured value; and

    correcting said measured value on the basis of a detected intensity of an excitation light component in said spectrum.

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