Analysis apparatus for analyzing a specimen by obtaining electromagnetic spectrum information
First Claim
1. An analysis apparatus for analyzing a specimen, comprising:
- a spectral separator for dispersing spatially an electromagnetic wave from the specimen into spectral components;
a sensing element array containing plural sensing elements for sensing the spectral components of the electromagnetic wave dispersed spatially by the spectral separator; and
a spectrum calculator for calculating a spectrum based on a signal from the sensing elements;
wherein the spectral separator and the sensing element array are placed so that the incident angles of the spectral components dispersed spatially by the spectral separator to the sensor elements are different for each of the sensing elements,wherein the sensing element has an electromagnetic wave sensor and a filter for selecting the wavelength range for sensing the electromagnetic wave introduced from the specimen,wherein the filter comprises a negative dielectric medium having a negative real part and a second medium,wherein the negative dielectric medium and the second medium are placed at a distance of not more than the wavelength of the electromagnetic wave to be sensed, andwherein the filter and the electromagnetic wave sensor are placed at a distance of not more than the wavelength of the electromagnetic wave to be sensed.
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Abstract
An analysis apparatus for analyzing a specimen comprises a spectral separator for dispersing spatially an electromagnetic wave introduced from the specimen into spectral components, a sensing element array containing plural sensing elements for sensing the spectral components of the electromagnetic wave dispersed spatially by the spectral separator, and a spectrum calculator for calculating the spectrum from the signal sensed by the sensing elements; the sensing element array having sensitivities different to each of the spectral components of the electromagnetic wave dispersed spatially by the spectral separator, and the spectral separator and the sensing element array being placed so as to receive the spectral components by each of the sensing elements at different incident angles.
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Citations
10 Claims
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1. An analysis apparatus for analyzing a specimen, comprising:
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a spectral separator for dispersing spatially an electromagnetic wave from the specimen into spectral components; a sensing element array containing plural sensing elements for sensing the spectral components of the electromagnetic wave dispersed spatially by the spectral separator; and a spectrum calculator for calculating a spectrum based on a signal from the sensing elements; wherein the spectral separator and the sensing element array are placed so that the incident angles of the spectral components dispersed spatially by the spectral separator to the sensor elements are different for each of the sensing elements, wherein the sensing element has an electromagnetic wave sensor and a filter for selecting the wavelength range for sensing the electromagnetic wave introduced from the specimen, wherein the filter comprises a negative dielectric medium having a negative real part and a second medium, wherein the negative dielectric medium and the second medium are placed at a distance of not more than the wavelength of the electromagnetic wave to be sensed, and wherein the filter and the electromagnetic wave sensor are placed at a distance of not more than the wavelength of the electromagnetic wave to be sensed. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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10. An analysis apparatus for analyzing a specimen, comprising:
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a generator for generating an electromagnetic wave; a diffraction grating for dispersing spatially an electromagnetic wave from the generator into spectral components; a sensing element array having a plurality of plasmon type sensing elements for sensing the spectral components of the electromagnetic wave dispersed spatially by the diffraction grating; and a spectrum calculator for calculating a spectrum based on a signal from the sensing elements, wherein each of the sensing elements is configured to maximize a sensitivity for detecting each of the spectral components of the electromagnetic wave separated spatially by the diffraction grating, and wherein the diffraction grating and the sensing element array are placed so as to receive the spatially dispersed spectral components by the sensing elements at incident angles to maximize the sensitivities of each of the sensing elements.
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Specification