Molecular detection apparatus and method using optical waveguide detection
First Claim
Patent Images
1. A molecular detection apparatus comprising:
- a substrate;
a first layer disposed on the substrate;
a photodetector disposed on the first layer, the photodetector electrically coupled to the first layer;
a second layer disposed on the photodetector, the second layer electronically coupled to the photodetector; and
an optical waveguide disposed adjacent the photodetector on the substrate, the optical waveguide having a surface defining a detection site.
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Abstract
A target molecule at a binding site is detected using an optical waveguide having a surface proximate to the binding site, and a waveguide detector coupled to the optical waveguide. An incident light beam is applied to the binding site along an axis transverse to the surface of the optical waveguide. The incident light beam impinges an optical indicator associated with the target molecule to form secondary light which is coupled into the optical waveguide. The secondary light is detected by the waveguide detector to thereby detect the target molecule.
35 Citations
10 Claims
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1. A molecular detection apparatus comprising:
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a substrate; a first layer disposed on the substrate; a photodetector disposed on the first layer, the photodetector electrically coupled to the first layer;
a second layer disposed on the photodetector, the second layer electronically coupled to the photodetector; and
an optical waveguide disposed adjacent the photodetector on the substrate, the optical waveguide having a surface defining a detection site. - View Dependent Claims (2, 3, 4, 5, 6)
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7. A molecular detection apparatus comprising:
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an optical waveguide having a surface proximate to a molecular detection site; and a waveguide detector coupled to the optical waveguide, the waveguide detector shaped to substantially surround the optical waveguide at the molecular detection site. - View Dependent Claims (8, 9, 10)
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Specification