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Waveguide-based optical scanning systems

  • US 10,551,318 B2
  • Filed: 11/16/2016
  • Issued: 02/04/2020
  • Est. Priority Date: 03/10/2006
  • Status: Active Grant
First Claim
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1. A chip for detecting a biologically active analyte, comprising:

  • a substrate wherein the substrate comprises a plurality of excitation waveguides, and a plurality of collection waveguides, the excitation waveguides and collection waveguides crossing to form a two-dimensional array of intersection regions where an excitation waveguide and a collection waveguide cross and provide optical communication with the intersection region at each crossing;

    an array of optical fibers connected to the collection waveguides to couple the collection waveguides to a detector; and

    an array of optical fibers connected to the excitation waveguides to couple the excitation waveguides to a light source; and

    a plurality of optical sensing sites each in optical communication with an intersection region.

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