The arrangement comprises a filter region (10) filtering electromagnetic radiation and a shielding component (20) inhibiting propagation of electromagnetic radiation. The filter region comprises a central filter region (11) and a separate peripheral filter region (13). The shielding component comprises an aperture (21). The aperture is arranged above the central filter region. The central filter region and the peripheral filter region are optimized for different angles of incidence (α, β) and provided for measurements by individual sensor regions (18, 19).

A liquid-crystal based color switch for use with an image sensor having sub-diffraction-limited (SDL) pixels. The color switch may switch between a first mode where green light is passed (and blue and red light is blocked) and a second mode where blue and red light is passed (and green light is blocked). The color switch may include an achromatic switch (such as a liquid crystal switch) and retarder stack filter that are both sandwiched between a first and a second polarizer. The SDL pixels may be distributed so that green subpixels are never adjacent to other green subpixels in the same row or column, so that red subpixels are always adjacent to green subpixels in the same row or column, and so that blue subpixels are always adjacent to green subpixels in the same row or column.

A spectrometry apparatus includes a light incident section on which incident light from an image pickup target is made incident, an image pickup section provided on an optical path of the incident light input from the light incident section, a variable wavelength interference filter configured to transmit light having a predetermined wavelength from the incident light input from the light incident section and capable of changing the wavelength of the light to be transmitted, and a filter-position switching section configured to advance and retract the variable wavelength interference filter to and from an optical path of the incident light.

Disclosed herein is an ambient light sensor formed by a substrate, and an inner central area defined on the substrate, and a concentric polygonal shape defined on the substrate about the inner central area. The concentric polygonal shape is defined by concentric polygonal isolation regions and spoke shaped isolation regions extending through respective corners of the concentric polygonal isolation regions to the inner central area to thereby divide the concentric polygonal shape into a plurality of concentric polygonal regions, with each of the plurality of concentric polygonal regions divided into a plurality of trapezoidal sections. A plurality of photodiodes ae formed on the substrate such that each of the plurality of trapezoidal sections contains at least one photodiode. A color filter is applied to the plurality of trapezoidal sections and their respective photodiodes to thereby form a plurality of color channels.

A filter array according to one aspect of the present disclosure is provided with filters arranged two-dimensionally. The filters include multiple types of first filters having mutually different transmission spectra, of which each transmission spectrum includes first peaks, and multiple types of second filters having mutually different transmission spectra, of which each transmission spectrum includes one or more second peaks. The number of the first peaks in the transmission spectrum of each of the multiple types of first filters is greater than the number of the one or more second peaks in the transmission spectrum of each of the multiple types of second filters, and the multiple types of first filters and the multiple types of second filters are disposed in a mixed arrangement.

A mechanism is described for facilitating chromatic adaptation of display contents based on chromatic monitoring of environmental light at computing devices. A method of embodiments, as described herein, includes receiving sensory input data indicating one or more ambient colors based on real-time or periodic chromatic monitoring of environmental light surrounding the apparatus. The method may further include referring the sensory input data against contents of a lookup table to determine color compensation of content based on the one or more ambient colors, and dynamically facilitating chromatic adaptation of existing colors of the content based on the color compensation to compensate the content. The method may further include rendering the compensated content to be displayed via a display device.

An optical detector device may receive a spectroscopic measurement from a multispectral sensor. The optical detector device may determine, based on the spectroscopic measurement, a particulate size of a particulate. The optical detector device may determine, based on the spectroscopic measurement, an identification of the particulate. The optical detector device may determine, based on the particulate size and the identification of the particulate, that an alert condition is satisfied. The optical detector device may trigger an alert based on determining that the alert condition is satisfied.

The present disclosure relates to methods and systems for obtaining image information of an organism including a set of optical data; calculating a growth index based on the set of optical data; and calculating an anticipated harvest time based on the growth index, where the image information includes at least one of : (a) visible image data obtained from an image sensor and non-visible image data obtained from the image sensor, and (b) a set of image data from at least two image capture devices, where the at least two image capture devices capture the set of image data from at least two positions.

A photodetection element includes a magnetic element including a first ferromagnetic layer to which light is applied, a second ferromagnetic layer, and a spacer layer sandwiched between the first ferromagnetic layer and the second ferromagnetic layer; a first electrode in contact with a first surface of the magnetic element, the first surface being located on a first ferromagnetic layer side of the magnetic element in a lamination direction; a second electrode in contact with a second surface of the magnetic element, the second surface being opposite to the first surface; and a first high thermal conductivity layer disposed outside of the first ferromagnetic layer and having higher thermal conductivity than the first electrode.

A sensor device may determine a first optical sensor value associated with a first displacement and a second optical sensor value associated with a second displacement, wherein the first displacement is between an emitter associated with the first optical sensor value and a sensing location used to determine the first optical sensor value, wherein the second displacement is between an emitter associated with the second optical sensor value and a sensing location used to determine the second optical sensor value, and wherein the first displacement is different from the second displacement. The sensor device may determine one or more measurements using the first optical sensor value and the second optical sensor value, wherein the one or more measurements relate to a first penetration depth associated with the first optical sensor value, and a second penetration depth associated with the second optical sensor value.