The Silicone Photomultiplier (SiPM) is another technology that can be used to gather light from a scintillation detector. There are several advantageous features associated with these devices:
- Small form factor can help reduce system costs, e.g. when lead shielding is required to reduce background in a system
- Operation at low DC voltages (<100VDC)
- Arrays can be used to achieve performance near and sometimes exceed PMT performance
- SiPMs are not affected by B-fields.
One of the significant disadvantages is that the devices add noise to the spectrum at temperatures above 45-50°C.
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