Abstract: Provided is a highly-sensitive image-capture element and an image capture device that can be simply manufactured, have little polarization dependency, and have micro-spectroscopic elements capable of separating incident light into three wavelength ranges integrated facing a pixel array. An image capture element has a transparent layer having a low refractive index made of SiO2 or the like and a plurality of micro-lenses laminated on a pixel array in which pixels each including a photoelectric conversion element are disposed in an array. Inside the transparent layer having the low refractive index, micro-spectroscopic elements composed of a plurality of microstructures having constant thickness (length in a direction perpendicular to the pixel array) formed of a material such as SiN having a higher refractive index than that of the transparent layer is embedded.

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.

Abstract: An imaging element includes: a plurality of photoelectric conversion element groups each including a plurality of photoelectric conversion elements and being arranged in a two-dimensional direction; a transparent layer which faces the plurality of photoelectric conversion element groups and which extends in the two-dimensional direction as a planar direction; and a plurality of structure groups arranged in a planar direction of the transparent layer so as to correspond to the plurality of photoelectric conversion element groups on the transparent layer or inside the transparent layer, wherein each of the plurality of structure groups includes a plurality of structures arranged in a same pattern and is arranged so as to disperse incident light toward each of the photoelectric conversion elements of a corresponding photoelectric conversion element group, and in a plan view, relative positions of the corresponding photoelectric conversion element group and a structure group differ according to two-dimensional po

Abstract: An optical element includes a transparent layer which covers a pixel including a first photoelectric conversion element and a second photoelectric conversion element; and a plurality of structures disposed on the transparent layer or in the transparent layer in a plane direction of the transparent layer, in which the transparent layer includes a first region which guides incident light to the first photoelectric conversion element, and a second region which guides incident light to the second photoelectric conversion element, the plurality of structures are disposed in at least the second region among the first region and the second region, and the first region is smaller than the second region.

Abstract: An imaging element (100) includes: a pixel array (110) in which a plurality of pixels including photoelectric conversion elements are arranged in a two-dimensional array; and an optical element array (120) in which optical elements composed of a plurality of columnar structure bodies (160) arranged opposite to a pixel array (110) and guiding incident light to a corresponding photoelectric conversion element are arranged in a two-dimensional array, in which the plurality of columnar structure bodies (160) are formed in a width having a phase characteristic for guiding light to a photoelectric conversion element directly below a columnar structure body in accordance with an incident angle of the incident light of each columnar structure body (160) when viewed in a plan view and are formed at a same height when viewed in a side view.

Abstract: An imaging element (100) includes: a pixel array (110) in which a plurality of pixels including photoelectric conversion elements are arranged in a two-dimensional array; and an optical element array (120) in which optical elements composed of a plurality of columnar structure bodies (160) arranged opposite to a pixel array (110) and guiding incident light to a corresponding photoelectric conversion element are arranged in a two-dimensional array, in which the plurality of columnar structure bodies (160) are formed in a width having a phase characteristic for guiding light to a photoelectric conversion element directly below a columnar structure body in accordance with an incident angle of the incident light of each columnar structure body (160) when viewed in a plan view and are formed at a same height when viewed in a side view.

Abstract: An input/output, a wavelength multiplexer/demultiplexer, and a spatial light modulator are provided. The input/output is configured by an optical waveguide into which multiplex light with multiple wavelengths enters. The wavelength multiplexer/demultiplexer performs demultiplexing for forming a plurality of signal lights by spatially demultiplexing the multiplex light emitted from the input/output, by one diffraction, into light of each wavelength, and multiplexing for multiplexing the spatially demultiplexed plurality of signal lights that are different in wavelength. The wavelength multiplexer/demultiplexer is configured by a metasurface. The spatial light modulator reflects each of the plurality of signal lights in a set direction.

Abstract: A polarization imaging image-pickup system includes an image-pickup unit array that includes a plurality of image-pickup units arranged two-dimensionally, wherein the image-pickup units each include: one wavefront control element that includes a plurality of microscopic structures; and a pixel array that is arranged so as to face the wavefront control element, and includes a plurality of pixels that are associated with the wavefront control element and are two-dimensionally arranged, and light from an imaging object is spatially separated by the one wavefront control element into first polarized light, and a second polarized light that is in a direction orthogonal to the first polarized light or has a rotation direction opposite to a rotation direction of the first polarized light, the first polarized light is collected at a first collection position on the pixel array, and the second polarized light is collected at a second collection position on the pixel array.

Abstract: An imaging element (100) includes a pixel array (110) in which pixels (130) are placed in a two-dimensional array, the pixel including a photoelectric conversion element; and a polarization-wavelength separation lens array (120) opposed to the pixel array (110), the polarization-wavelength separation lens array (120) including polarization-wavelength separation lens (160) placed in a two-dimensional array, the polarization-wavelength separation lens (160) including a plurality of microstructures for condensing incident light at different positions on the pixel array (110) according to the polarization direction and wavelength components of the incident light.

Abstract: Provided is a highly-sensitive image-capture element and an image capture device that can be simply manufactured, have little polarization dependency, and have micro-spectroscopic elements capable of separating incident light into three wavelength ranges integrated facing a pixel array. An image capture element has a transparent layer having a low refractive index made of SiO2 or the like and a plurality of microlenses laminated on a pixel array in which pixels each including a photoelectric conversion element are disposed in an array. Inside the transparent layer having the low refractive index, micro-spectroscopic elements composed of a plurality of microstructures having constant thickness (length in a direction perpendicular to the pixel array) formed of a material such as SiN having a higher refractive index than that of the transparent layer is embedded.

Abstract: An image sensor of the present disclosure includes a two-dimensional pixel array in which a plurality of pixels including photoelectric conversion elements are arranged in the form of an array on a substrate, a transparent layer formed on the two-dimensional pixel array, and a two-dimensional spectroscopic element array in which a plurality of spectroscopic elements are arranged in the form of an array inside or on the transparent layer. Each spectroscopic element includes a plurality of microstructures made of a material having a higher refractive index than a refractive index of the transparent layer. The plurality of microstructures have a microstructure pattern. Each of the spectroscopic elements splits incident light into first to fourth deflected lights, which have different transmission directions, according to the wavelength region.

Abstract: Provided is a highly-sensitive image-capture element and an image capture device that can be simply manufactured, have little polarization dependency, and have micro-spectroscopic elements capable of separating incident light into three wavelength ranges integrated facing a pixel array. An image capture element has a transparent layer having a low refractive index made of SiO2 or the like and a plurality of micro-lenses laminated on a pixel array in which pixels each including a photoelectric conversion element are disposed in an array. Inside the transparent layer having the low refractive index, micro-spectroscopic elements composed of a plurality of microstructures having constant thickness (length in a direction perpendicular to the pixel array) formed of a material such as SiN having a higher refractive index than that of the transparent layer is embedded.

Abstract: An image capturing element according to the present disclosure includes a pixel array formed by a plurality of pixels arranged in an array on a substrate, each of the plurality of pixels including a photoelectric conversion element, a transparent layer formed on the pixel array, and a spectroscopic element array formed by a plurality of spectroscopic elements arranged in an array, and each of the plurality of spectroscopic elements is at a position corresponding to one of the plurality of spectroscopic elements inside or on the transparent layer. Each of the plurality of spectroscopic elements includes a plurality of microstructures formed from a material having a refractive index higher than a refractive index of the transparent layer. The plurality of microstructures have a microstructure pattern. Each of the plurality of spectroscopic elements separates incident light into deflected light beams having different propagation directions according to the wavelength and emits the deflected light beams.

Abstract: An image processing apparatus includes processing circuitry configured to: divide an input image into a plurality of areas to correspond to predetermined categories, using information of the image; set different image processing parameters for the divided areas corresponding to the predetermined categories, respectively; perform image processing on the divided areas using the image processing parameters corresponding to the divided areas; and combine the divided areas on which the image processing has been performed to form an image.

Abstract: An input/output, a wavelength multiplexer/demultiplexer, and a spatial light modulator are provided. The input/output is configured by an optical waveguide into which multiplex light with multiple wavelengths enters. The wavelength multiplexer/demultiplexer performs demultiplexing for forming a plurality of signal lights by spatially demultiplexing the multiplex light emitted from the input/output, by one diffraction, into light of each wavelength, and multiplexing for multiplexing the spatially demultiplexed plurality of signal lights that are different in wavelength. The wavelength multiplexer/demultiplexer is configured by a metasurface. The spatial light modulator reflects each of the plurality of signal lights in a set direction.

Abstract: An image processing apparatus includes processing circuitry. The processing circuitry is configured to detect a positional shift amount of each of a plurality of images; select a composite target image from the plurality of images based on the detected positional shift amount; and obtain a composite image based on the positional shift amount and the selected composite target image.

Abstract: A polarization imaging image-pickup system includes an image-pickup unit array that includes a plurality of image-pickup units arranged two-dimensionally, wherein the image-pickup units each include: one wavefront control element that includes a plurality of microscopic structures; and a pixel array that is arranged so as to face the wavefront control element, and includes a plurality of pixels that are associated with the wavefront control element and are two-dimensionally arranged, and light from an imaging object is spatially separated by the one wavefront control element into first polarized light, and a second polarized light that is in a direction orthogonal to the first polarized light or has a rotation direction opposite to a rotation direction of the first polarized light, the first polarized light is collected at a first collection position on the pixel array, and the second polarized light is collected at a second collection position on the pixel array.