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Efficiency detecting low-level radiaton

High detection efficiency


The well-type NaI(Tl) scintillator is a g ray detector with a cylindrical part (well) that is set concentrically in a cylindrical NaI(Tl) crystal.
This assembly is housed in aluminium cases.
For measurements, specimen is entered to well part and light output can be obtained from the optical window mounted at the other face.
This design is especially useful when low-level radiation must be efficiently detected.