The decay time corresponding to the fast component of pure cesium iodide (CsI) is 16ns, and the emission peak is at 315nm. It can be used in fast time required, such as the electromagnetic calorimeter in the electron-positron collider. In addition, it has strong radiation resistance.
Cesium iodide (CsI) scintillator is an inorganic scintillator with cesium iodide (CsI) as matrix material, which can be divided into thallium activated (Tl) and sodium (Na) activated and both are colorless and transparent cubic scintillators.
It is characterized by high density, high average atomic number, high detection efficiency for γ-ray and X-ray. It has no cleavage and good processibility, can be made into various shapes. It is widely used in high energy physics, nuclear physics, space physics, security inspection (luggage & container), industrial level gauge and so on.
Cesium iodide (CsI) scintillator is an inorganic scintillator with cesium iodide (CsI) as matrix material, which can be divided into thallium (Tl) activated and sodium (Na) activated, and both are colorless and transparent cubic scintillators.
It is characterized by high density, high average atomic number, high detection efficiency for γ-ray and X-ray. It has no cleavage and good processibility, can be made into various shapes. It is widely used in high energy physics, nuclear physics, space physics, security inspection (luggage & container) , industrial level gauge and so on.
Sodium iodide (Tl) scintillator (NaI(Tl)) is a kind of traditional inorganic scintillator with good performance. NaI is the matrix material and doped with proper concentration of Tl. The emission peak wavelength is 415nm. It has high luminous efficiency, and can match well with PMT. It has good resolution to X-ray and γ-ray and good temperature change tolerance.
A composite scintillator is composed of two or more different scintillators (such as sodium iodide (NaI), cesium iodide (CsI) , plastic scintillators, etc.) through special packaging process. BHP has rich experience in compound scintillator packaging, with the maximum package diameter up to 200mm; The packaged product has excellent photoelectric performance, the non-uniformity of pulse amplitude position and counting rate position should be within 3%; In addition, the encapsulated product has excellent mechanical shock resistance and thermal vacuum performance, is mainly used in space exploration and other fields.
In petroleum logging, NaI(TI) scintillator works underground, and must withstand high temperature above 150°C, certain shock and vibration. The high-temperature NaI(TI) serials adopt polycrystals forged under high temperature, unique high-temperature resistant materials and reliable packaging technology. The working temperature range is -30°C~ +175°C. It has excellent mechanical shock resistance, temperature shock resistance and long lifetime. The while drilling serials can work at 175°C and 30g strong vibration. Products are mainly used in nuclear logging.
Rare earth Garnet Based Scintillator (RGBS) has the advantages of high density, high light output, short decay time and low radioactive background, and its chemical properties are stable, non-cleavage and non-hygroscopic. And it is easy to be processed and shaped, which expands its application scope. The main applications are radiation detection, high-energy physics, CT etc.
Cadmium tungstate (CWO) scintillator is a self-activated scintillator material. It has the characteristics of high density, high atomic number, low afterglow, strong irradiation resistance and no radioactive background.