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   ICON Scintillator CsI(Tl),CsI(Tl)scintillation crystal, Thallium activated Cesium Iodide
 
 
 
 
  • High light output
  • Emission wavelength at 550 nm
  • Compatible with photodiode readout
  •  
    Description  
     

    Scintillator CsI(Tl)'s maximum of the broad emission situated at 550nm which allows Si-photodiodes to be used to detect the emission. The use of a scintillator-photodiode pair makes it possible to diminish significantly the size of the detecting system (due to the use of photodiode instead of PMT), to do without high-voltage supply source, and to use detecting systems in magnetic fields. The high radiation resistance (up to 102 Gy) allows CsI(TI) to be used in nuclear, medium, radiation detection and high-energy physics etc. Special treatment ensures obtaining of CsI(TI) scintillators with a low afterglow (less than 0.1% after 5 ms) for the use in safety inspection and imaging.

    So far we can offer Czochralski method and Bridgman growth crystals to meet different application, it's widely used in High energy physics, radiation detection and medical& safety inspection imaging.

    Properties:

    Density [g/cm3]
    4.51
    Melting point [K]
    894
    Thermal expansion coefficient [K-1]
    54 x 10-6
    Cleavage plane
    none
    Hardness (Mho)
    2
    Hygroscopic
    Slightly
    Wavelength of emission maximum [nm]
    550
    Lower wavelength cutoff [nm]
    320
    Refractive index at emission maximum
    1.79
    Primary decay time [µs]
    1
    Afterglow (after 6ms) [%]
    0.5 - 5.0
    Light yield [photons/MeVγ]
    52- 56 x103
    Photoelectron yield [% of NaI(Tl)] (y rays)
    45

    Spectrum at  Cs137, 662Kev

     
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