A method and device are provided for obtaining the energy of nuclear radiation from a scintillation detector system for the measurement of nuclear radiation the device comprising a scintillation crystal, a light readout detector and a fast digital sampling analog to digital converter. The method comprises obtaining the anode current at the LRD for at least one scintillation event with N photo electron charges at the entrance of the LRD, sampling the measured anode current, obtaining the function of the scintillation pulse charges Q.sub.dint(N, G) at the anode of the LRD from said scintillation events, obtaining the RMS of the noise power charge Q.sub.drms(N, G), obtaining the function Q.sub.dSN(N) by calculating the ratio of Q.sub.dint(N, G) and Q.sub.drms(N, G), obtaining the constant gradient k from the function Q.sub.dSN(N)=Q.sub.dint(N, G)/Q.sub.drms(N, G)=k*N, and obtaining N.

According to an embodiment, a radiation detection device includes a scintillator layer, a plurality of detectors, a setting unit, an identifier, and a corrector. The scintillator layer is configured to convert radiation into scintillation light. The detectors are arranged along a first surface facing the scintillator layer to detect light. The setting unit is configured to set one of the detectors as a first detector to be corrected. The identifier is configured to identify, out of the detectors, a second detector that detects a synchronization signal synchronizing with a first signal detected by the first detector. The corrector is configured to correct an energy spectrum of light detected by the first detector on the basis of a second signal serving as the synchronization signal in signals detected by the second detector, the first signal, and characteristic X-ray energy of a scintillator raw material constituting the scintillator layer.

The present disclosure relates to a detector apparatus. The detector apparatus may include a detecting module, an electronics module and a cooling assembly. The detecting module may be configured to detect radiation rays emitted from a subject and generate electrical signals in response to detection of radiation rays. The electronics module may be configured to process the electrical signals generated by the detecting module. The cooling assembly may be configured to cool the detecting module and the electronics module. The cooling assembly may include a first layer and a second layer. The first layer may be thermally connected with the detecting module, and the second layer may be thermally connected with the electronics module.

Systems and methods for a time of flight (TOF) positron emission tomography (PET) system is herein provided. In one example, an imaging system comprises one or more detector blocks, each detector block including an array of silicon photomultiplier (SiPM) devices coupled to an array of scintillation crystals with a one-to-one coupling arrangement, wherein each SiPM device of the array of SiPM devices transmits signals to independent front-end readout circuits of one or more analog application-specific integrated circuits (ASICs). The front-end readout circuits are configured to detect individual scintillating photons and suppress SiPM dark counts.

A radiation imaging apparatus including a sensor panel including a first surface provided with a pixel array and an electrical connector and a second surface, and a base configured to support the second surface through first and second members, is provided. In an orthogonal projection to the first surface, the electrical connector is provided between a region provided with the first member provided to overlap the pixel array and an outer edge of the panel and the second member is provided to overlap the electrical connector. The second member is fixed to at least one of the second surface, the base, and the first member, and a passage extending from the first member to the outer edge is provided between the second surface and the base not to overlap the second member in an orthogonal projection to the first surface.

According to one embodiment, a converter array includes a first substrate, multiple sets of a plurality of analog-digital converters and a switch. The multiple sets are arranged on the first substrate in array. The switch is configured to switch a connection relationship between the plurality of analog-digital converters to process signals from photodiodes smaller in number than the analog-digital converters.

A radiation detection module according to an embodiment includes an array substrate including multiple photoelectric converters, a scintillator that covers a region in which the multiple photoelectric converters are located and that has larger dimensions than the region in which the multiple photoelectric converters are located when viewed in plan, and a light-absorbing part that is located on the scintillator and is capable of absorbing visible light. The light-absorbing part is located outward of the region in which the multiple photoelectric converters are located when viewed in plan.

A positron emission tomography (PET) scanner may include a plurality of gamma radiation detector modules arranged to form a detector ring. Each detector module may include an array of elongated scintillation crystals. With respect to the detector ring, each elongated scintillation crystal includes a proximal end-face, two axially oriented lateral faces, two transaxially oriented lateral faces, and a distal end-face radially oriented into the detector ring to receive a gamma photon. An array of photosensors is positioned along a first of the axially oriented lateral faces of each elongated scintillation crystal to detect scintillation photons. A reflective material is positioned on the proximal end-face, the distal end-face, the transaxially oriented lateral faces, and a second of the axially oriented lateral faces of each elongated scintillation crystal to internally reflect scintillation photons. In various embodiments, a dual-channel processing circuit provides distinct timing and energy signals from the photosensors.

A radiation detection system that includes a radiation detector, a photo multiplier tube, and a pulse height analyzer. The radiation detector is configured to emit light when exposed to radiation. The photo multiplier tube is configured to convert the light to an electrical signal. The pulse height analyzer is configured to output at least one value associated with an amount of radiation detected based on at least in part on the electrical signal.

An X-ray device including a sensing panel and a scintillator layer is provided. The sensing panel includes a substrate and a first pixel. The first pixel is disposed on the substrate and includes a first light sensing component and a first switch component. The first switch component is disposed on the first light sensing component. The scintillator layer is disposed on the sensing panel, and the first switch component is disposed between the scintillator layer and the first light sensing component.