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1 results about "Proportional counter" patented technology
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The proportional counter is a type of gaseous ionization detector device used to measure particles of ionizing radiation. The key feature is its ability to measure the energy of incident radiation, by producing a detector output pulse that is proportional to the radiation energy absorbed by the detector due to an ionizing event; hence the detector's name. It is widely used where energy levels of incident radiation must be known, such as in the discrimination between alpha and beta particles, or accurate measurement of X-ray radiation dose.
Particle beam energy monitoring device and method
This invention relates to a particle beam energy monitoring device and method. The device includes a tissue equivalent proportional counter, a data acquisition module, and a processing module. The tissue equivalent proportional counter is connected to the data acquisition module, and the processing module is connected to the data acquisition module. The tissue equivalent proportional counter is used to receive irradiation from a particle beam and generate an ionization signal under the irradiation of the particle beam. The data acquisition module is used to acquire the ionization signal output by the tissue equivalent proportional counter and obtain the pulse amplitude spectrum of the particle beam based on the ionization signal. The processing module is used to determine the energy of the particle beam in real time based on the pulse amplitude spectrum of the particle beam.
Owner:SHANGHAI ADVANCED RES INST CHINESE ACADEMY OF SCI