Forest Detectors

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The common mechanism behind most detectors involves the "jiggling" of atomic electrons.

In the case of the He-3 tube the electrons are "jiggled" hard enough such that they are no longer bound to the atom.

Forest_He-3_Tubes

Forest_IonizationChambers


In the case of scintillator, the "jiggling" excites the electrons in the scintillator atoms such that the atoms give off light when they de-excite.

Forest_Scintilaltors


In semi-conductor (solid state) detectors, the electrons move into the conduction band of the material when they are "jiggled" by incident radiation.


Forest_SolidState_Detectors