NaI(Tl) Scintillators

  • The standard type NaI(Tl) scintillator is a g ray detector whose NaI(Tl) crystal is cut into a cylinder and housed in aluminum cases. For measurements, the radiation can enter from one face of the cylinder or the side, and light output can be obtained from the optical window mounted at the other face. The standard NaI(Tl) scintillator is used for scintillation measurement or scintillation spectrometer detector for ordinary g ray because its shape enables it to obtain a uniform light output and the best energy resolution.
  • In the soft X-ray NaI(Tl) scintillator, the NaI(Tl) crystal is cut into disk shape and housed in aluminum cases of shaped like a ring, beryllium or aluminum foil is used as the entrance window, and it is used for measuring soft X-rays at low energy levels.
  • 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.
  • The side-hole type NaI(Tl) scintillator is a detector with a side-hole passing vertically through the axis of the cylindrical NaI(Tl) crystal. It is housed in aluminum cases and, for measurements, light output can be obtained from an optical window mounted on one or both sides of the edges while passing the specimen through the side-hole.
  • The performance of SC1110 are the same as SC1101, but the sructure of SC1110 NaI(Tl) scintillator is more compact,the cylindrical size is consistent. They are suitable for well logging which is strict in dimension.
  • SC1110G、SC1111G、SC1112G NaI(Tl) scintillators have the features of high temperature resistant.They are widely used in oil well logging、coalfield well logging application. Respectively, their operating temperature are:-20℃~100℃、-20℃~150℃、-20℃~200℃. SC1113G NaI(Tl) scintillators have the features of high temperature resistance, vibration resistance and shock resistance, they are suitable for Measurement While Drilling(MWD), the operating temperature is -20℃~175℃.

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