Methods and apparatus for collection of optical reference measurements for monolithic sensors
First Claim
1. A method for collecting optical data, the method comprising:
- propagating light from a source of light to a detector of light to produce a measured reference spectral distribution by interaction of the light with a reference sample;
propagating light from the source of light to the detector of light to produce a measured subject spectral distribution by interaction of the light with a subject sample;
identifying at least one of an intensity change and a wavelength shift between the measured reference spectral distribution and a stored reference spectral distribution; and
comparing the measured subject spectral distribution and its associated stored reference spectral distribution with a stored subject spectral distribution and its associated stored reference spectral distribution, wherein such comparing includes accounting for the identified one of the intensity change and the wavelength shift.
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Accused Products
Abstract
Methods and apparatus are provided for collecting optical data. Light is propagated through a reference sample from a source of light to a detector of light to produce a measured reference spectral distribution. Light is also propagated through a subject sample from the source of light to the detector of light to produce a measured subject spectral distribution. At least one of an intensity change and a wavelength shift between the measured reference spectral distribution and a stored reference spectral distribution is identified. The measured subject spectral distribution is compared with a stored subject spectral distribution associated with the stored reference spectral distribution. Such comparison includes accounting for the identified one of the intensity change and the wavelength shift.
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Citations
35 Claims
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1. A method for collecting optical data, the method comprising:
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propagating light from a source of light to a detector of light to produce a measured reference spectral distribution by interaction of the light with a reference sample;
propagating light from the source of light to the detector of light to produce a measured subject spectral distribution by interaction of the light with a subject sample;
identifying at least one of an intensity change and a wavelength shift between the measured reference spectral distribution and a stored reference spectral distribution; and
comparing the measured subject spectral distribution and its associated stored reference spectral distribution with a stored subject spectral distribution and its associated stored reference spectral distribution, wherein such comparing includes accounting for the identified one of the intensity change and the wavelength shift. - View Dependent Claims (5, 6, 12, 13, 14, 15, 16, 17)
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2-4. -4. (Canceled).
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7-11. -11. (Canceled).
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18. An optical sensor comprising:
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a source of light;
a detector of light; and
a reference sample disposed to encounter light along optical paths from the source to the detector, wherein the reference sample is composed to permit determination of composite information on intensity changes and wavelength shifts of the source of light from a plurality of distinct optical measurements using the optical sensor. - View Dependent Claims (23, 24, 26, 29, 30, 31, 32, 33, 34, 35)
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19-22. -22. (Canceled).
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25. (Canceled).
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27-28. -28. (Canceled)
Specification