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Spectrophotometer employing magneto-optic effect

  • US 4,166,697 A
  • Filed: 09/27/1977
  • Issued: 09/04/1979
  • Est. Priority Date: 10/01/1976
  • Status: Expired due to Term
First Claim
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1. In a spectrophotometer employing a magneto-optic effect which includes;

  • a space for accommodating a sample to be measured;

    means for applying a magnetic field to said space;

    light irradiation means for irradiating said space with linearly polarized light;

    polarization-separation means for allowing entry of the light from said light irradiation means after having passed through said space, and for separating and projecting this incident light in two light beams in proportion to the intensity of two mutually perpendicular polarization components;

    spectral analyzer means equipped with means for converging the two light beams separated by said polarization-separation means and with a dispersive element for spectrally dispersing the two light beams thus converged; and

    light detection means for detecting the two light beams dispersed by said dispersive element;

    the improvement wherein said dispersive element is arranged in such a manner that the plane containing the two light beams incident on said dispersive element is substantially perpendicular to the plane defined by the dispersion direction of said dispersive element.

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