Abstract: An imaging device includes: a photoelectric conversion layer in which photoelectric conversion devices that convert received light into charge are arranged in a planar fashion; and a conductor structure layer provided on an upper surface or a lower surface of the photoelectric conversion layer and formed by stacking plural conductor layers having conductor metals with concavo-concave structures at predetermined periodic intervals within a plane in parallel to light receiving surfaces of the photoelectric conversion devices.

Abstract: An imaging device includes: an imaging area in which a plurality of pixels used to acquire an image are provided; a spectrum area in which a plurality of pixels used to acquire a color spectrum are provided; and a filter that is formed above the pixels provided in the spectrum area and allows an electromagnetic wave with a desired wavelength to pass, wherein the filter is formed of a plasmon resonator that is a conductive metal structure having an unevenness structure at a predetermined pitch, and the imaging area and the spectrum area are provided on a single chip.

Abstract: A two-dimensional solid-state imaging device includes: pixel regions arranged in a two-dimensional matrix, wherein each pixel region has a plurality of subpixel regions, a metal layer with an opening of an opening size smaller than the wavelength of an incoming electromagnetic wave and a photoelectric conversion element are arranged with an insulating film interposed therebetween, at least one photoelectric conversion element is arranged in the opening provided at a portion of the metal layer in each subpixel region, a projection image of the opening is included in a light receiving region of the photoelectric conversion element, the opening is arrayed so as to cause a resonance state based on surface plasmon polariton excited by the incoming electromagnetic wave, and near-field light generated near the opening in the resonance state is converted to an electrical signal by the photoelectric conversion element.

Abstract: A two-dimensional solid-state image capture device includes pixel areas arranged in a two-dimensional matrix, each pixel area being constituted by multiple sub-pixel regions, each sub-pixel region having a photoelectric conversion element. A polarization member is disposed at a light incident side of at least one of the sub-pixel regions constituting each pixel area. The polarization member has strip-shaped conductive light-shielding material layers and slit areas, provided between the strip-shaped conductive light-shielding material layers. Each sub-pixel region further has a wiring layer for controlling an operation of the photoelectric conversion element, and the polarization member and the wiring layer are made of the same material and are disposed on the same virtual plane.

Abstract: An optical element includes a first filter having the function to transmit a component at a lower frequency than a first cutoff frequency in incident light, a second filter having the function to transmit a component at a higher frequency than a second cutoff frequency in the incident light, and a light-receiving element for photoelectrically converting the components transmitted through the first filter and the second filter in the incident light. A metal optical filter composed of a conductor thin film is used as at least one of the first filter and the second filter.

Abstract: A solid-state imaging device includes: a light-receiving element making a photoelectric conversion and being disposed in each of a plurality of pixels, wherein a honeycomb structure in which a predetermined pixel is surrounded with six pixels neighboring the predetermined pixel out of the plurality of pixels or a structure in which one to three pixels out of the six neighboring pixels are omitted from the honeycomb structure is used as a basic unit.

Abstract: A two-dimensional solid-state image pickup device includes a plurality of pixel regions arranged in a two-dimensional matrix in X and Y directions. Each of the pixel regions includes at least a light-receiving element, and a light-condensing element. The light-condensing element is a sub-wavelength lens including protrusions each having a size equivalent to or smaller than a wavelength of an electromagnetic wave incident on the light-receiving element. Each of the protrusions has a rounded edge.