Inorganic Scintillator Detectors

INORGANIC SCINTILLATOR DETECTOR ASSEMBLIES FOR MULTIPLE APPLICATION

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DESCRIPTION:

Inorganic scintillators are composed by certain materials, which have the properties to emit light when ionizing radiation interact in it. The detection of ionizing radiation through scintillation light is one of the oldest techniques documented.

Efficient detection of Gamma rays requires the material of the scintillator to be with high density and high atomic number. Inorganic scintillation crystals meet the requirements of stopping power and optical transparency, their densities ranging from roughly 3 to 9 g/cm3 makes them very suitable to absorb penetrating radiation (Gamma  rays). Materials with high Z-values are used for Gamma ray spectroscopy at high energies (>1 MeV).

Since photoelectron statistics plays a key role in the accurate determination of the energy of the radiation, so the use of scintillation materials with a high light output is preferred for all spectroscopic applications. On the other side, fast light emission (through fluorescence process), improves the measurement of the ionizing radiation interaction time

APPLICATION:

Each scintillation crystal has its own specific application. For high resolution Gamma ray spectroscopy, NaI(Tl), or CsI(Na) (high light output) are normally used. CeBr3 has exceptional light emission and fast light deexcitation time. For high energy physics applications, the use of bismuth germanate Bi4Ge3O12 (BGO) crystals (high density and Z) improves the Gamma ray energy confinement. (BGO) crystals (high density and Z) improves the Gamma ray energy confinement.

NaI(Tl):

  • General scintillation counting
  • health physics
  • environmental monitoring
  • high temperature use

CsI(Tl):

  • Particle and high energy physics
  • general radiation detection
  • photodiode readout
  • phoswiches

BGO:

  • Particle physics
  • geophysical research
  • PET
  • anti-Compton spectrometers

CeBr3:

  • High resolution spectroscopy
  • fast timing
  • particle and high energy physics
  • ultra-low background

LaBr3:

  • Improved energy resolution
  • good linearity
  • homeland security
  • excellent performance in a wide temperature range

STANDARD SET:

The Inorganic scintillator assemblies are composed by the following components:

  • the crystal (e.g. NaI(Tl), CsI(Na)…)
  • A 14-pin 10 stages PMT

This can be matched with MCA PMT base GAMMA Stream, bPAD and bMCA.
The assembly can be also provided with a voltage divider, to be matched with TOPAZ-Pico MCA.

In addition to standard supply, the following accessories are available upon request:

  • GAMMA Stream active digital Multi-Channel Analyzer integrated in a 14-pin PMT base
  • bPAD compact microcontroller-based Single Channel Analyzer
  • bMCA digital Multi-Channel Analyzer integrated in a 14-pin PMT base
  • TOPAZ-Pico compact, stand-alone digital Multi-Channel Analyzer
Model Material Dimension Decay
Constant
Voltage
Divider
Energy Resolution
FWHM  at 662 keV
51B51/2M NaI(Tl) 2“ Ø x 2″ h 0.23 ms no < 7,5 %
51B51/2M-E1 NaI(Tl) 2” Ø x 2″ h 0.23 ms yes < 7,5 %
76B76/3M NaI(Tl) 3” Ø x 3″ h 0.23 ms no < 7,5 %
76B76/3M-E1 NaI(Tl) 3” Ø x 3″ h 0.23 ms yes < 7,5 %
51B51/2M-CS CsI(Tl) 2” Ø x 2″ h 0.6/3.4 ms no < 8 %
51B51/2M-E1-CS CsI(Tl) 2” Ø x 2″ h 0.6/3.4 ms yes < 8 %
76B76/3M-CS CsI(Tl) 3” Ø x 3″ h 0.6/3.4 ms no < 8 %
76B76/3M-E1-CS CsI(Tl) 3” Ø x 3″ h 0.6/3.4 ms yes < 8 %
51B51/2M-BGO BGO 2” Ø x 2″ h 0.3 ms no < 13 %
51B51/2M-E1-BGO BGO 2” Ø x 2″ h 0.3 ms yes < 13 %
76B76/3M-BGO BGO 3” Ø x 3″ h 0.3 ms no < 13 %
76B76/3M-E1-BGO BGO 3” Ø x 3″ h 0.3 ms yes < 13 %
38B38/2M-CEBR-LB-X CeBr3 1.5” Ø x 1.5″ h 19 ns no < 4,2 %
38B38/2M-E1-CEBR-LB-X CeBr3 1.5” Ø x 1.5″ h 19 ns yes < 4,2 %
25S25/1-5M-LABR LaBr3 1” Ø x 1″ h  ns no < 3,5 %
25S25/1-5M-E1-LABR LaBr3 1” Ø x 1″ h  ns yes < 3,5 %
38S38/2M-LABR LaBr3 1.5” Ø x 1.5″ h  ns no < 3 %
38S38/2M-E1-LABR LaBr3 1.5” Ø x 1.5″ h  ns yes < 3 %

Highlights

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2017-10-11T10:19:21+00:00