CsI(Tl) | Scintillation Crystal

CsI(Tl) | Scintillation Crystal

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CsI(Tl) | Scintillation Crystal can be used for gamma ray detection, advantageous in its high light output and broad emission spectrum.

SKU: SCN-CSI-TL Category:

Description

CsI(Tl) | Scintillation Crystal is one of the brightest scintillation crystals used for gamma ray detection. It has excellent mechanical properties, with a light yield four-times higher than that of BGO and a radiation length shorter than that of NaI(Tl). With a broad emission spectrum from 350nm to 700nm, CsI matches well with photodiodes and is suitable for detecting heavy charged particles under strong gamma ray backgrounds.

 

KEY FEATURES

  • High light yield
  • Broad emission spectrum
  • Matches well with photodiodes

 

MAIN APPLICATIONS

  • Medical imaging
  • Radiation detection
  • Safety inspection imaging
  • High-energy physics

 

Technical Specifications

Density

4.51 g/cm³
Melting Point

894 K
Refractive Index

1.78
Effective Atomic Number

54
Hardness

2 Mohs
Radiation Length

1.86 cm
Hygroscopicity

Slight
Cleavage

No
Wavelength

550 nm
Lower Wavelength Cutoff

350 nm
Decay Time

1000 ns
Light Output

59 photons/keV
Photoelectron Yield

47% ∝ NaI(Tl)
Thermal Expansion Coefficient

54 × 10⁻⁶/°C
Afterglow

0.5–5% @ 6 ms

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