SiPM Based Alpha / Beta Detectors

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SiPM-Based Alpha/Beta Scintillation Detectors

These thin SiPM-based scintillation detectors are designed for simultaneous alpha and beta radiation detection. They incorporate a silicon photomultiplier (SiPM) readout, integrated temperature-compensated bias generator, and low-noise preamplifier in a compact assembly.

Key Features of SiPM Alpha/Beta Detectors
  • Thin Profile Design — Low-profile construction suits portable instruments, surface contamination monitors, and space-constrained setups.
  • Integrated Electronics — Built-in temperature-compensated SiPM bias supply and preamplifier simplify system integration and reduce external component needs.
  • Alpha/Beta Discrimination — Effective separation of alpha and beta events through pulse height or shape analysis, depending on scintillator selection.
  • SiPM Readout Advantages — Compact size, low-voltage operation, magnetic field immunity, and solid-state reliability compared to traditional PMT-based detectors.

Configurations are available with thin plastic scintillators or specialized coatings optimized for alpha/beta response. The design supports easy integration into handheld probes, fixed monitors, or automated counting systems.

Specifications

Pulse rise time (0-100%)

150 ns (betas) 530 ns (alphas)

Pulse fall time (1/e)

1.2 µs (betas) 530 ns (alphas)

Gain

Approx. 75 mV/MeV(betas) Approx. 500mV /5.48 MeV (alphas)

Noise level

< 50 keV (betas) @ 22 degrees C

Background (LB)

0.00125 c/s/cc Ac-227

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Frequently Asked Questions (FAQ)

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