A detector is for electromagnetic radiation. In an embodiment, the detector includes a first, pixelated electrode layer, a second electrode, and a first layer including at least one first perovskite, located between the first, pixelated electrode layer and the second electrode. An embodiment further relates to a method for manufacturing a corresponding detector.

A radiation detection device includes a detection element including a substrate having a first surface and a second surface, a first electrode on the first surface, a second electrode adjacent to the first electrode in a first direction, a third electrode adjacent to the first electrode in a second direction; a fourth electrode adjacent to the third electrode in the first direction and adjacent to the second electrode in the second direction and a fifth electrode on the first surface and between the first and second electrode, between the first and third electrode, between the second and fourth electrode, and between the third and fourth electrode; a wiring layer on the second surface and including a first wiring, a second wiring, a third wiring, and a fourth wiring; and a circuit element opposite to the wiring layer and connected to the first to fourth wiring.

A radiation detection probe and a manufacturing method therefor, and a radiation detection chip. The method comprises: simulating each of a plurality of cadmium zinc telluride crystals having different three-dimensional sizes; obtaining the radiation response characteristics of each cadmium zinc telluride crystal; according to the radiation response characteristics, selecting a specific cadmium zinc telluride crystal from the plurality of cadmium zinc telluride crystals, wherein the specific cadmium zinc telluride crystal is a cadmium zinc telluride crystal having optimal performance indexes corresponding to the radiation response characteristics in the plurality of cadmium zinc telluride crystals; and configuring a first electrode and a second electrode for the specific cadmium zinc telluride crystal so as to constitute the radiation detection probe.

A radiation detection probe and a manufacturing method therefor, and a radiation detection chip. The method comprises: simulating each of a plurality of cadmium zinc telluride crystals having different three-dimensional sizes; obtaining the radiation response characteristics of each cadmium zinc telluride crystal; according to the radiation response characteristics, selecting a specific cadmium zinc telluride crystal from the plurality of cadmium zinc telluride crystals, wherein the specific cadmium zinc telluride crystal is a cadmium zinc telluride crystal having optimal performance indexes corresponding to the radiation response characteristics in the plurality of cadmium zinc telluride crystals; and configuring a first electrode and a second electrode for the specific cadmium zinc telluride crystal so as to constitute the radiation detection probe.

An apparatus for detecting a locating medium in tissue includes a probe, and a console. The probe includes a handle and a detector disposed on a distal end of the probe. The console is in communication and includes a display. The display has a first graphical representation and a second graphical representation. The first graphical representation is configured to depict a count real-time count based on a signal from the detector. The second graphical representation is configured to depict a target count.

The present disclosure provides a detection substrate, a manufacturing method thereof and a ray detector. The detection substrate includes: a base substrate; a plurality of independent first electrodes arranged on the base substrate on the same layer; a photoelectric conversion layer arranged on a whole face of sides, facing away from the base substrate, of the plurality of first electrodes; a ray absorption layer arranged on a side, facing away from the plurality of first electrodes, of the photoelectric conversion layer, wherein an orthographic projection of the ray absorption layer on the base substrate is overlapped with an orthographic projection of gaps between the first electrodes on the base substrate; and a second electrode arranged on a whole face of a side, facing away from the plurality of first electrodes, of the photoelectric conversion layer.

The present disclosure provides a detection substrate, a manufacturing method thereof and a ray detector. The detection substrate includes: a base substrate; a plurality of independent first electrodes arranged on the base substrate on the same layer; a photoelectric conversion layer arranged on a whole face of sides, facing away from the base substrate, of the plurality of first electrodes; a ray absorption layer arranged on a side, facing away from the plurality of first electrodes, of the photoelectric conversion layer, wherein an orthographic projection of the ray absorption layer on the base substrate is overlapped with an orthographic projection of gaps between the first electrodes on the base substrate; and a second electrode arranged on a whole face of a side, facing away from the plurality of first electrodes, of the photoelectric conversion layer.

An instrument and software methodology to detect a radioactive source and incorporates the following:

1) two radiation detectors in a co-axial configuration, housed in a handheld probe, and

2) a gamma detection control unit executing software algorithms to limit the functional field of view to the front aspect of the probe, vary the depth and width of the field of view to provide collimation without the use of metallic shielding, and allowing the instrument to measure the distance to the radiation source.

An instrument and software methodology to detect a radioactive source and incorporates the following:

1) two radiation detectors in a co-axial configuration, housed in a handheld probe, and

2) a gamma detection control unit executing software algorithms to limit the functional field of view to the front aspect of the probe, vary the depth and width of the field of view to provide collimation without the use of metallic shielding, and allowing the instrument to measure the distance to the radiation source.

In one aspect, an optical system is disclosed. In some embodiments, the optical system includes an optical waveguide, and at least two coupling means forming at least one confocal point being located within the optical waveguide, where a first coupling means of the at least two coupling means has a first focal length, and a second coupling means of the at least two coupling means has a second focal length. In some examples, the first coupling means is configured to couple and/or focus incident light to the optical waveguide, and the second coupling means is configured to emit and/or collimate light conveyed by the optical waveguide.