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CsI(Tl) Detector

Advantage

1.Good energy resolution
2.Low cost

3.Stability 


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  • CsI(Tl) Cesium Iodine doping thallium is the most typical alkali halide scintillation crystal which wavelength is 550nm, It's best matchable for PD, SiPM etc. CsI(Tl) has high density, High Z, No cleavage plane, excellent detection effiency, it's widely used in high energy physics, Nuclear detector, Space detection, security inspection,SPECT and container checking etc.

    Properties:


    Densityg/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 (ns)

    1000

    Afterglow (after 30ms) [%]

    0.5 – 0.8

    Light Yield (photons/keV)

    52- 56

    Photoelectron Yield [% of NaI(Tl)] (for γ-rays)

    45



  • NaI(Tl) Detector(PMT Readout)

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    NaI(Tl) Detector(SIPM Readout)

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