Photonic crystal optical temperature measuring system
First Claim
Patent Images
1. A photonic crystal optical temperature measuring system, comprising:
- at least one photonic crystal temperature sensor apparatus, the at least one photonic crystal temperature sensor apparatus comprising a photonic crystal slab waveguide having a resonant cavity, a resonant frequency of the resonant cavity being a function of a temperature of the resonant cavity;
a wavelength source for illuminating the resonant cavity;
a detector for detecting the resonant frequency of the resonant cavity; and
a converter for converting the detected resonant frequency to temperature.
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Abstract
A photonic crystal optical temperature measuring system and a method for measuring the temperature of an object. The photonic crystal optical temperature measuring system has at least one photonic crystal temperature sensor having a resonant cavity, the resonant frequency of which is a function of the temperature of the resonant cavity.
35 Citations
22 Claims
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1. A photonic crystal optical temperature measuring system, comprising:
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at least one photonic crystal temperature sensor apparatus, the at least one photonic crystal temperature sensor apparatus comprising a photonic crystal slab waveguide having a resonant cavity, a resonant frequency of the resonant cavity being a function of a temperature of the resonant cavity;
a wavelength source for illuminating the resonant cavity;
a detector for detecting the resonant frequency of the resonant cavity; and
a converter for converting the detected resonant frequency to temperature. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. A photonic crystal temperature sensor apparatus, comprising:
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a photonic crystal slab waveguide having a resonant cavity, a resonant frequency of the resonant cavity being a function of a temperature of the resonant cavity;
an upper cladding layer on an upper surface of the photonic crystal slab; and
a lower cladding layer on a lower surface of the photonic crystal slab. - View Dependent Claims (12, 13, 14, 15, 16)
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17. A method for measuring a temperature of an object, comprising:
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providing at least one photonic crystal temperature sensor apparatus, the at least one photonic crystal temperature sensor apparatus having a resonant cavity, a resonant frequency of the resonant cavity being a function of a temperature of the resonant cavity;
positioning the at least one photonic crystal temperature sensor apparatus in the vicinity of the object;
directing light through the resonant cavity;
measuring the resonant frequency of the resonant cavity; and
converting the measured resonant frequency to a temperature. - View Dependent Claims (18, 19, 20, 21, 22)
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Specification