Custom Scintillation Detectors

Silicon Photomultiplier Readout

Silicon Photomultipliers (SiPMs) offer an alternative to the readout of scintillation crystals with Photomultiplier Tubes (PMTs). SiPMs are especially ideal in applications where a compact package and low voltage operation are crucial. The energy resolution and noise level achievable with SiPM readout varies with the type of scintillator, crystal dimensions, and the surface area covered by the SiPMs.

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Large Volume Scintillation Detectors

Large volume scintillation crystals can be coupled to Photomultiplier Tubes (PMTs), or Silicon Photomultipliers (SiPMs). Both methods can be integrated in detector assemblies with front-end electronics. Assemblies can be constructed with integrated, or demountable PMTs, terminated in 14 pins, or they can be constructed with a complete set of electronics. Also, large volume scintillators can now be read out via SiPMs with energy resolution comparable to PMTs. Contact BNC to discuss your application and requirements as many options are possible..

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Cerium Bromide

CeBr3 crystals offer an alternative to NaI(Tl) and other high resolution scintillators for gamma spectroscopy applications. CeBr3 scintillation crystals are characterized by their high resolution, fast decay time, and low intrinsic background properties. With a background count as low as <0.001 c/cc/s in the Ac-227 complex, CeBr3 presents a distinct advantage over other high resolution scintillators which suffer from this activity. CeBr3 crystals are available either canned or fully assembled with light readout (PTM or SiPM) and front-end electronics.

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Compton Suppressors

Compton Suppressors or Anti-Compton Shields (ACS) are used to suppress unwanted background in gamma spectrometry performed with Ge detectors. The detection of low intensity gamma ray lines is complicated in spectrometry performed with High Purity Germanium (HPGe) detectors by the presence of Compton scattered gamma rays of higher energies. At energies above a few hundred keV, the main interaction in the relatively low Z High Purity Germanium (HPGe) crystal is via Compton interaction.

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