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LaBr3 - 1.5 x 1.5

Lanthanum Bromide Scintillation Detector

Model LaBr3(Ce) Scintillation Detector is a medium-resolution scintillation detector featuring a 1.5 x 1.5 in.


Tag Features

  • Approximately half the FWHM of comparable sized NaI(Tl) detectors above 350 keV
  • Higher efficiency than similarly sized NaI(Tl) detectors – 1.2-1.65 times above 350 keV
  • Room temperature operation and same form factor as NaI(Tl) detectors
  • Directly compatible with traditional scintillation detector electronics and multi-channel analyzers
  • All-metal housing with a magnetic/light shield


Model LaBr3(Ce) Scintillation Detector is a medium-resolution scintillation detector featuring a 1.5 x 1.5 in. LaBr3(Ce) crystal in a hermetically sealed aluminum housing, including a photomultiplier tube, an internal magnetic/light shield, and a 14-pin connector.

The LaBr3(Ce) detector is completely compatible with the signal processing electronics normally used with NaI(Tl) scintillation detectors. However, the performance of the LaBr3(Ce) device is superior to that of NaI(Tl) detectors. No adapters are required for direct connection of tube base preamplifiers or MCAs to the 14-pin PMT base. The better resolution, efficiency and relatively short decay time (16 ns) allow these detectors to be used with more complex spectra than scintillation detectors based on NaI(Tl) as well as in other applications previously thought to be too demanding for any scintillation detector. On the other hand, the LaBr3(Ce) detectors are not well-suited for low-level application due to their relatively high intrinsic background from the decay of 138La.

Model LaBr3(Ce) detector plugs directly into the Model 2007 Tube Base as well as into Model 2007P combination tube base and preamplifier. Model 2007/2007P preamplifiers connect to an MCA or other standard signal processing electronics.

However, the most powerful combination is to use the LaBr3(Ce) detector with the Osprey® MCA – the Mirion all-in-one HVPS, preamplifier, and digital MCA.

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