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In ionizing radiation detection physics, a semiconductor detector is a device that uses a semiconductor (usually silicon or germanium) to measure the effect of incident charged particles or photons. Semiconductor detectors find broad application for radiation protection , gamma and X-ray spectrometry , and as particle detectors .
The ionization is considerably amplified within the tube by the Townsend discharge effect to produce an easily measured detection pulse, which is fed to the processing and display electronics. This large pulse from the tube makes the Geiger counter relatively cheap to manufacture, as the subsequent electronics are greatly simplified. [ 4 ]
Summary of particle detector types. Many of the detectors invented and used so far are ionization detectors (of which gaseous ionization detectors and semiconductor detectors are most typical) and scintillation detectors; but other, completely different principles have also been applied, like Čerenkov light and transition radiation.
Radiation detection. 1 language. Suomi; Edit links. Article; ... Ionization chambers; ... Semiconductor detectors This page was last edited on 28 January 2020, at 03: ...
The main usage of the described semiconductor detector type is in cosmic ray dosimetry. There exist multiple variants of Liulin-type detectors which extend its use cases to airliner dosimetry. For example, there exists a variant of open-source hardware AIRDOS instruments specially designed for multiple types of UAVs. [8] [9] AIRDOS04 instrument.
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.
This varying ionization produces varying charge, which the detector electronics measure for each incoming photon. [1] In the SDD, this material is high purity silicon with a very low leakage current. The high purity allows for the use of Peltier cooling instead of the traditional liquid nitrogen.
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