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Optical imaging system and methods for using the same

  • US 10,018,640 B2
  • Filed: 11/10/2014
  • Issued: 07/10/2018
  • Est. Priority Date: 11/13/2013
  • Status: Active Grant
First Claim
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1. A system for assaying a sample for an analyte, the system comprising:

  • a broad spectrum light source;

    a slit projection module coupled to the broad spectrum light source, wherein the slit projection module comprises;

    a slit that narrows a beam of light from the broad spectrum light source to a width equal to the width of the slit; and

    a focusing lens that focuses light from the slit;

    an objective lens which focuses light transmitted from a sample;

    a diffraction grating; and

    a detector for detecting one or more predetermined wavelengths of the transmitted light,wherein the light source, slit projection module, objective lens, diffraction grating and detector are positioned in line with each other such that light from the broad spectrum light source is propagated along an optical axis through the slit and focusing lens and is transmitted through the sample, the objective lens and the diffraction grating directly to the detector without substantial diversion from the optical axis.

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