Devices having one or more integrated computational elements and methods for determining a characteristic of a sample by computationally combining signals produced therewith
First Claim
1. A device comprising:
- a first integrated computational element and a second integrated computational element disposed on a rotating disk, each integrated computational element having an optical function associated therewith, and the optical function of the second integrated computational element being at least partially offset in wavelength space relative to that of the first integrated computational element;
wherein the optical function of the first integrated computational element and the optical function of the second integrated computational element differ from one another and encompass at least some of the same wavelengths within the wavelength space; and
wherein the first integrated computational element and the second integrated computational element analyze for a single characteristic of a sample;
an optional electromagnetic radiation source;
at least one detector configured to receive electromagnetic radiation that has optically interacted with each integrated computational element and produce a first signal and a second signal associated therewith; and
a signal processing unit operable for computationally combining the first signal and the second signal to determine the single characteristic.
1 Assignment
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Accused Products
Abstract
Optical computing devices containing one or more integrated computational elements may be used to produce two or more detector output signals that are computationally combinable to determine a characteristic of a sample. The devices may comprise a first integrated computational element and a second integrated computational element, each integrated computational element having an optical function associated therewith, and the optical function of the second integrated computational element being at least partially offset in wavelength space relative to that of the first integrated computational element; an optional electromagnetic radiation source; at least one detector configured to receive electromagnetic radiation that has optically interacted with each integrated computational element and produce a first signal and a second signal associated therewith; and a signal processing unit operable for computationally combining the first signal and the second signal to determine a characteristic of a sample.
141 Citations
16 Claims
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1. A device comprising:
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a first integrated computational element and a second integrated computational element disposed on a rotating disk, each integrated computational element having an optical function associated therewith, and the optical function of the second integrated computational element being at least partially offset in wavelength space relative to that of the first integrated computational element; wherein the optical function of the first integrated computational element and the optical function of the second integrated computational element differ from one another and encompass at least some of the same wavelengths within the wavelength space; and wherein the first integrated computational element and the second integrated computational element analyze for a single characteristic of a sample; an optional electromagnetic radiation source; at least one detector configured to receive electromagnetic radiation that has optically interacted with each integrated computational element and produce a first signal and a second signal associated therewith; and a signal processing unit operable for computationally combining the first signal and the second signal to determine the single characteristic. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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10. A method comprising:
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providing electromagnetic radiation that has optically interacted with or that has been emitted by a sample; optically interacting the electromagnetic radiation with a first integrated computational element and a second integrated computational element that are disposed on a rotating disk, each integrated computational element having an optical function associated therewith, the optical function of the second integrated computational element being at least partially offset in wavelength space relative to that of the first integrated computational element; wherein the optical function of the first integrated computational element and the optical function of the second integrated computational element differ from one another and encompass at least some of the same wavelengths within the wavelength space; and wherein the first integrated computational element and the second integrated computational element analyze for a single characteristic of the sample; detecting the electromagnetic radiation that has optically interacted with each integrated computational element, thereby producing a first signal and a second signal associated therewith; computationally combining the first signal and the second signal to produce a combined signal; and correlating the combined signal to the single characteristic of the sample. - View Dependent Claims (11, 12, 13, 14, 15, 16)
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Specification