Hyperspectral sensor and hyperspectral camera
AssigneeFUJIFILM Corporation
InventorsHiroshi Sato, Yukito Saitoh
Life of this patent
Estimating the term…
Abstract
Provided are a hyperspectral sensor and a hyperspectral camera in which influence of external information such as a reflecting material is reduced such that the spectral data accuracy of a subject to be acquired can be improved. In the hyperspectral sensor in which light from a subject is split into light components in a plurality of wavelength ranges by a spectral optical element and each of the light components in the wavelength ranges is received by a sensor array consisting of a plurality of photodetection elements to acquire spectral data in which spectral information of the subject is associated with each of the photodetection elements, a polarization diffraction element that emits polarized light is used as the spectral optical element.
Claims12
A hyperspectral sensor in which light from a subject is split into light components in a plurality of wavelength ranges by a spectral optical element and each of the light components in the wavelength ranges is received by a sensor array consisting of a plurality of photodetection elements to acquire spectral data in which spectral information of the subject is associated with each of the photodetection elements,
- wherein the spectral optical element is a polarization diffraction element for converting incident light into polarized light,
- a light-collimating optical element that collimates transmitted light and causes the collimated light to be incident into the polarization diffraction element is provided, and
- the light-collimating optical element includes a slit.
A hyperspectral sensor in which light from a subject is split into light components in a plurality of wavelength ranges by a spectral optical element and each of the light components in the wavelength ranges is received by a sensor array consisting of a plurality of photodetection elements to acquire spectral data in which spectral information of the subject is associated with each of the photodetection elements,
- wherein the spectral optical element is a polarization diffraction element for converting incident light into polarized light,
- a light-collimating optical element that collimates transmitted light and causes the collimated light to be incident into the polarization diffraction element is provided, and
- wherein the light-collimating optical element includes a unit in which a slit and a lens element are combined.
A hyperspectral sensor in which light from a subject is split into light components in a plurality of wavelength ranges by a spectral optical element and each of the light components in the wavelength ranges is received by a sensor array consisting of a plurality of photodetection elements to acquire spectral data in which spectral information of the subject is associated with each of the photodetection elements,
- wherein the spectral optical element is a polarization diffraction element for converting incident light into polarized light,
- a light-collimating optical element that collimates transmitted light and causes the collimated light to be incident into the polarization diffraction element is provided, and
- wherein the light-collimating optical element includes a lens array.
Dependencies are inferred from the claim text.