An imaging device includes: a scintillator layer; and an array of photodiode elements; wherein the scintillator layer is configured to receive radiation that has passed through the array of photodiode elements. An imaging device includes: a scintillator layer having a plurality of scintillator elements configured to convert radiation into photons; and an array of photodiode elements configured to receive photons from the scintillator layer, and generate electrical signals in response to the received photons; wherein at least two of the scintillator elements are separated by an air gap. An imaging device includes: a first scintillator layer having a plurality of scintillator elements arranged in a first plane; and a second scintillator layer having a plurality of scintillator elements arranged in a second plane; wherein the first scintillator layer and the second scintillator layer are arranged next to each other and form a non-zero angle relative to each other.

A multi-functional and multi-modality radiation detector (10) is provided. The radiation detector (10) comprises at least two detector units (12a, 12b) having photosensitive pixels (14) and at least one scintillation device (20) optically coupled to the photosensitive pixels (14). The detector units (12a, 12b) are arranged next to each other on a substrate foil (24). Therein, the scintillation devices (20) of the detector units (12a, 12b) are spaced apart from each other, such that the radiation detector (10) is bendable. This allows the radiation detector (10) to be used in many different geometrical configurations.

An intraoral sensor includes an image sensor, an FOP, a scintillator, a case, and a signal cable. The FOP includes a first main surface, a second main surface, and a plurality of lateral surfaces. The first main surface and the second main surface have a polygonal shape. An edge of the second main surface is constituted by a plurality of corner portions, and a plurality of side portions. The scintillator is provided on the second main surface and the plurality of lateral surfaces in such a manner that a second corner portion out of the plurality of corner portions and a second ridge portion are exposed. The second corner portion located on a second direction side opposite to a first direction in which the signal cable extending beyond, and the second ridge portion constituted by the lateral surfaces adjacent to the second corner portion adjacent to each other.

A full-angle coincidence PET detector array, comprising the following components: a plurality of PET detection modules (2), wherein each of the PET detection modules (2) is composed of PET detection crystals (7), a photosensor array (5) and a light guide (6); and the plurality of PET detection modules (2) are adjacent to each other to form an integrally closed detection chamber. A full-angle coincidence PET detection method, comprising the following steps: 1) the step of assembling the detection chamber; 2) the step of placing a detection object; and 3) the step of acquiring an image. The cross-sectional area of all voids is smaller than the area of the smallest of the PET detection crystals (7) when the detection chamber is in a closed state; and the integrally closed detection chamber is of a cylindrical shape, a capsular shape, an ellipsoidal shape or a regular polygonal prism shape.

Disclosed are a ray converter and a ray detection panel device. The ray converter (100, 100′) includes a substrate (110) and a conversion body (120). The substrate (110) includes a medium carrier. The medium carrier has a mesoporous structure distributed in an array. A pore of the mesoporous structure extends from an entrance end of the substrate (110) to an exit end of the substrate (110). The conversion body (120) is filled in the pore. The ray detection panel device includes a ray converter (100, 100′) and a light sensor.

Detector module designs for radiographic imaging include first and second layers of scintillator rods or pixel arrays oriented in first and second directions. The first and second directions are transversely oriented to define a light sharing region between the first and second layers. Encoding features may be disposed in, on or between the first and second layers, and configured to modulate propagation of optical signals therealong or therebetween.

A detector for electromagnetic radiation is disclosed. The detector includes: a first electrode layer including at least one first electrode pixel and a second electrode pixel. A second electrode and a first layer including at least one first perovskite are situated between the at least one first electrode pixel of the first electrode layer and the second electrode. Further, a second layer including at least one second different perovskite, is situated between the second electrode pixel of the first electrode layer and the second electrode. In another embodiment, a detector for electromagnetic radiation is disclosed where a first layer including at least one first perovskite, is situated between the at least one first electrode pixel of the first electrode layer and the second electrode, and between the second electrode pixel of the first electrode layer and the second electrode. A method for the production is also disclosed.

Provided is a radiation image detector, including: a substrate; an optical image detector located on the substrate; and a radiation conversion layer located above the optical image detector to convert radiation into visible light. The optical image detector includes a photosensitive pixel array formed by a plurality of photosensitive pixels arranged periodically; each photosensitive pixel includes a photoelectric conversion layer which is capable of converting the visible light into electric charges. The photoelectric conversion layer includes an active region and an inactive region. The active region occupies less than 70% of the area of the photoelectric conversion layer. Each photosensitive pixel further includes a light-guide layer located between the radiation conversion layer and the photoelectric conversion layer and configured to guide the visible light to the active region.

Provided is a radiation image detector, including: a substrate; a continued radiation conversion layer configured to convert radiation into visible light; an optical image detector on the substrate and between the radiation conversion layer and the substrate, wherein the optical image detector comprises an array of photosensitive pixels; a light-shielding structure located on a side of the plurality of photosensitive pixels facing away from the substrate, wherein the light-shielding structure has a plurality of openings to allow the visible light to reach the photosensitive pixels; and a light-collecting structure located between the radiation conversion layer and the light-shielding structure and comprising a plurality of convex lenses, wherein each convex lens has its optical axis perpendicular to the light-shielding structure and passing through one of the plurality of openings.

A radiation image detector is provided. The radiation image detector includes: a substrate, an optical image detector located on the substrate and including an array including photosensitive pixels, a radiation conversion layer, and pixelated light-collecting structures located between the photosensitive pixels and the radiation conversion layer and configured to guide visible light that would fall into a trench region or a side wall region to a central region. Each photosensitive pixel includes a first electrode including a first contact surface in direct contact with the photoelectric conversion layer, a photoelectric conversion layer including the central region and the side wall region, and a second electrode including a second contact surface in direct contact with the photoelectric conversion layer.