2 results about "Radiation Interaction" patented technology

A radiation detector (10) is provided with a scintillator (11), a light detector (12), and a processing unit (13). The processing unit (13) includes a signal waveform acquisition unit (14), a deconvolution calculation unit (15), and an interaction time detection unit (16). A signal waveform acquisition unit (14) acquires a waveform f (t) of an electric signal output from a photodetector (12). A deconvolution calculation unit (15) performs a deconvolution calculation of the impulse response function i (t) of the photodetector (12) on the electrical signal waveform f (t) acquired by the signal waveform acquisition unit (14). An interaction time detection unit (16) detects, as an interaction time, the time at which the waveform calculated by the deconvolution calculation unit (15) reaches a threshold value. As a result, a radiation detector capable of improving the temporal resolution of the detection of the radiation interaction timing in the scintillator is achieved.

A nuclear voltaic power source utilizing liquid xenon as a high-density scintillation transducer medium combined with radioisotopes for electrical power generation. Liquid xenon, maintained at cryogenic temperatures between −111.75 and −108.1 degrees Celsius, has a density of approximately 2942 kg / m3, providing roughly 545 times the radiation interaction density of gaseous xenon. Ionizing radiation from the radioisotope interacts with liquid xenon to form Xe2 excimers that emit VUV photons at approximately 175 nm with a yield of 46 photons / keV. These photons are absorbed by wide bandgap semiconductor converters (diamond, AlN, SiC, GaN) lining the containment structure, generating electron-hole pairs extracted as electrical current. The spherical containment geometry maximizes photon capture. Cryogenic thermal management using vacuum-jacketed insulation or active cooling maintains the liquid phase. Multiple cells may be connected in series-parallel arrays for scalable power output.