Abstract:
Provided is an image sensor including a sensor substrate including a first photosensitive cell and a second photosensitive cell which are configured to sense light incident on the sensor substrate, a color separating lens array configured to change a phase of first wavelength light and a phase of second wavelength light such that the first wavelength light travels to the first photosensitive cell and the second wavelength light travels to the second photosensitive cell, and a spectrum shaping layer including a plurality of nanostructures respectively having a first refractive index, and a dielectric material provided between the plurality of nanostructures and having a second refractive index, the spectrum shaping layer being provided between the sensor substrate and the color separating lens array and configured to shape a spectral profile of the light incident on the sensor substrate by reflecting and/or absorbing portion of light passing through the color separating lens array.
Abstract:
An image sensor includes: a light detector including a plurality of photosensitive cells configured to sense light; a color separation lens array provided above the light detector and including a plurality of pattern structures, the color separation lens array being configured to collect light having different wavelength spectra respectively on at least two photosensitive cells of the plurality of photosensitive cells; and a variable interlayer element configured to adjust an optical distance between the light detector and the color separation lens array.
Abstract:
Provided is an image sensor including a color separating lens array. The image sensor includes a sensor substrate including a plurality of first photosensitive cells and a plurality of second photosensitive cells configured to sense light, and a color separating lens array including a plurality of first regions respectively corresponding to the plurality of first photosensitive cells and each including a first fine structure, and a plurality of second regions respectively corresponding to the plurality of second photosensitive cells and each including a second fine structure that is different from the first fine structure, wherein, among incident light incident on the color separating lens array, light of a first wavelength and light of a second wavelength are branched into different directions and focused on the first photosensitive cells and the second photosensitive cells.
Abstract:
An image sensor is provided. The image sensor may include; an optical detection device layer including a plurality of optical detection devices; a filter array layer including a plurality of color filters and at least one infrared filter, and disposed on the optical detection device layer; and a plurality of beam splitters disposed in a plurality of pixels, the plurality of pixels being in contact with an infrared ray pixel including the at least one infrared ray color filter, and that are configured to change a direction of an infrared ray component of incident light towards the infrared ray pixel.
Abstract:
A spectral detector includes a grating panel including a first grating pattern having a first period, a second grating pattern having a second period that is different from the first period, and a light exit surface through light exits the grating panel, and an optical measurement panel arranged to face the light exit surface of the grating panel, and configured to measure a change in intensity of first light passing through the first grating pattern according to a propagation distance of the first light, and to measure a change in intensity of second light passing through the second grating pattern according to a propagation distance of the second light.
Abstract:
An image sensor, and an apparatus and method of acquiring an image by using the image sensor are provided. The image sensor includes a color filter having an array of a plurality of types of color filter elements, where each of the color filter elements transmits visible light in a certain wavelength band and blocks visible light outside the certain wavelength band; a photoelectric conversion cell array that detects light that has been transmitted through the color filter; and a modulator, disposed on the photoelectric conversion cell array, which changes a rate of light transmitted to the photoelectric conversion cell array based on an applied voltage.
Abstract:
An image sensor includes a pixel array including a first pixel row, in which a plurality of first pixels and a plurality of second pixels are alternately arranged, and a second pixel row, in which a plurality of second pixels and a plurality of third pixels are alternately arranged; first color separation elements configured to allow light having a second wavelength band, among incident light, to pass therethrough and travel in a downward direction, and to allow a mixture of light having a first wavelength band and light having a third wavelength band, among the incident light, to pass therethrough and travel in a lateral direction; and first color filters on at least a portion of the plurality of first pixels, the first color filters being configured to transmit only the light having the first wavelength band.
Abstract:
A thermal radiation sensor may include a thermal absorption layer, an optical resonator surrounding the thermal absorption layer, and a plasmonic absorber provided on the thermal absorption layer, and thus, the thermal radiation sensor may have high sensitivity and may be miniaturized.