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SPCMs have extremely high single-photon detection efficiency, and are much more sensitive than the PMT in the visible range.


New Silicon Photomultiplier Modules (SiPMs) operate at extremely high gains and provide another high PDE low light level detection solution.

Avalanche photodiodes (APDs) provide higher sensitivity than standard photodiodes - ideal for extreme low-level detection and photon counting, APDs are generally recommended for high bandwidth applications or where internal gain is needed to overcome high preamplifier noise. These products can be found in the Detectors section.

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+44(0) 118 984 5280