OPTICAL PROBE
First Claim
Patent Images
1. An optical probe for detecting luminescence emitted by a sample comprising:
- a parabolic optical waveguide;
an outer housing configured to hold said optical waveguide having a detachable component;
a waveguide mount between said outer housing and said detachable component configured to hold said waveguide in place;
a sensing material for detection of at least one analyte;
an excitation source configured to excite said sensing material;
an emission filter configured to allow emitted light to pass;
collection optics to focus emitted light onto a photodetector;
a measuring photodetector that detects emitted luminescence after passing through said collection optics; and
wherein the excitation source is provided between the sensing material and the measuring photodetector.
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Abstract
An optical probe for detecting luminescence emitted by a sample is disclosed. The optical probe includes a parabolic optical waveguide and an outer housing having a detachable component configured to hold a transparent sensor substrate that can be coupled to the optical waveguide. The optical probe also includes a sensing material for detection of at least one specified analyte. An excitation source is configured to excite the sensing material. The optical probe also incorporates a measuring photodetector that detects emitted luminescence.
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Citations
11 Claims
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1. An optical probe for detecting luminescence emitted by a sample comprising:
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a parabolic optical waveguide; an outer housing configured to hold said optical waveguide having a detachable component; a waveguide mount between said outer housing and said detachable component configured to hold said waveguide in place; a sensing material for detection of at least one analyte; an excitation source configured to excite said sensing material; an emission filter configured to allow emitted light to pass; collection optics to focus emitted light onto a photodetector; a measuring photodetector that detects emitted luminescence after passing through said collection optics; and wherein the excitation source is provided between the sensing material and the measuring photodetector. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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9. An optical probe for detecting luminescence emitted by a sample comprising:
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a parabolic optical waveguide; an outer housing configured to hold said optical waveguide having a detachable component; a sensing material for detection of at least one analyte; an excitation source configured to excite said sensing material; and a measuring photodetector that detects emitted luminescence, wherein the excitation source is provided in the direct optical path between the sensing material and the measuring photodetector, the parabolic optical waveguide operably directing light resultant from the emitted luminescence passed the excitation source onto the photodetector behind the excitation source. - View Dependent Claims (11)
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10. A handheld optical probe for detecting luminescence emitted by a sample comprising:
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a parabolic optical waveguide; an outer housing configured to hold said optical waveguide having a detachable component; a sensing material for detection of at least one analyte; an excitation source configured to excite said sensing material; a measuring photodetector that detects emitted luminescence; and an airway adapter operatively coupled to said optical probe to analyze the breath of a user, wherein the airway adaptor is provided at the opposite end of the housing to the photodetector, the excitation source being provided therebetween.
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Specification