Abstract: The imaging device (10) includes an optical element (12) having each transparent substrate and a plurality of structures disposed on or in the transparent substrate in a plane direction of the transparent substrate, an imaging element (11) in which a plurality of pixels including a photoelectric conversion elements are disposed, and a signal processing unit (13) configured to generate an image signal based on an electrical signal acquired from the imaging element (11), wherein the optical element (12) forms an image in which a point spread function of each wavelength is convoluted on a plurality of pixels corresponding to each polarized light component depending on polarized light components by outputting light in a state in which the optical element has different point spread functions for respective wavelengths, the plurality of structures have the same height in a side view, and the signal processing unit (13) reconstructs an image in which a point spread function of each wavelength is convoluted for each

Abstract: An imaging device includes an optical element including a transparent substrate and a plurality of structures disposed on or in the transparent substrate in a plane direction of the transparent substrate, an imaging sensor in which a plurality of pixels each including a photoelectric conversion element are arranged, and a signal processing unit configured to generate an image signal based on an electric signal obtained from the imaging sensor, wherein the optical element outputs light with a different point spread function for each wavelength to form, on the imaging sensor, an image in which the point spread function of each wavelength is convoluted, the plurality of structures have the same height in a side view, and the signal processing unit reconstructs an image in which the point spread function of each wavelength is convoluted.

Abstract: An optical element includes a transparent layer for covering a plurality of pixels each including a photoelectric conversion element, and a plurality of structure bodies arranged on the transparent layer or in the transparent layer in a plane direction of the transparent layer. The plurality of structure bodies is arranged in such a manner that, among incident light, first light having a wavelength in a near-infrared light region is condensed on a first pixel among the plurality of pixels, and light of a second color having a wavelength in a region outside the near-infrared light region is condensed on a second pixel.

Abstract: An imaging element includes a transparent layer for covering a plurality of pixels each including a photoelectric conversion element, and a plurality of structure bodies arranged on the transparent layer or in the transparent layer in a plane direction of the transparent layer, in which the plurality of structure bodies is arranged in such a manner that, among incident light, light of a first color is condensed on a first pixel located immediately below, and light of a second color is condensed on a second pixel located immediately below according to an incident angle of incident light of each of the structure bodies.

Abstract: An optical element includes a transparent layer for covering a plurality of pixels each including a photoelectric conversion element, and a plurality of structure members disposed on the transparent layer or in the transparent layer, the structure members being arranged in a plane direction of the transparent layer. The plurality of structure members is arranged to condense light of colors corresponding to respective pixels of the plurality of pixels into the corresponding pixels, the light of the colors being of incident light.