NANOTUBE FABRIC-BASED SENSOR SYSTEMS AND METHODS OF MAKING SAME
First Claim
1. A system for sensing the presence of an analyte in a fluid, the system comprising:
- a nanotube sensor element comprising a plurality of nanotubes and positioned for exposure to a fluid;
an optical source capable of generating optical radiation, the radiation having a source frequency and a fluence selected to generate a nonlinear optical response by the nanotube sensor element;
an optical detector capable of measuring the nonlinear optical response by the nanotube sensor element; and
logic in electrical communication with the optical detector to sense the presence of an analyte in the fluid based on the nonlinear optical response measured by the optical detector.
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Accused Products
Abstract
Under one aspect, a system (100) for sensing the presense of an analyte in a fluid includes a nanotube sensor element including a plurality of nanotubes and positioned for exposure to a fluid; an optical source capable of generating optical radiation (102), the radiation having a source frequency and a fluence selected to generate a nonlinear optical response by the nanotube sensor element; an optical detector (110) capable of measuring the nonlinear optical response by the nanotube sensor element; and logic in electrical communications with the optical detector to sense the presense of an analyte in the fluid based on the nonlinear optical response measured by the optical detector
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Citations
40 Claims
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1. A system for sensing the presence of an analyte in a fluid, the system comprising:
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a nanotube sensor element comprising a plurality of nanotubes and positioned for exposure to a fluid; an optical source capable of generating optical radiation, the radiation having a source frequency and a fluence selected to generate a nonlinear optical response by the nanotube sensor element; an optical detector capable of measuring the nonlinear optical response by the nanotube sensor element; and logic in electrical communication with the optical detector to sense the presence of an analyte in the fluid based on the nonlinear optical response measured by the optical detector. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29)
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30. A method of using a nanofabric sensor to sense the presence of an analyte in a fluid, the method comprising:
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characterizing a nanotube sensor element, the nanotube sensor element comprising a plurality of nanotubes, the characterization including; irradiating the nanotube sensor element with a first optical beam having a frequency and a fluence selected to generate a first nonlinear optical response in the nanofabric sensor element, and measuring the first nonlinear optical response of the nanotube sensor element; exposing the nanotube sensor element to a fluid; characterizing the nanotube element after fluid exposure, the characterization including; irradiating the nanotube sensor element with a second optical beam having a frequency and a fluence substantially the same as the frequency and fluence of the first optical beam to generate a second nonlinear optical response in the nanotube sensor element, and measuring the second nonlinear optical response of the nanotube sensor element; and comparing the first and second nonlinear optical responses of the nanotube sensor element to sense the presence of an analyte in the fluid. - View Dependent Claims (31, 32, 33, 34, 35, 36, 37, 38, 39, 40)
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Specification