THORLABS SPCM50A/M Single Photon Counting Modules (350-900 nm, M4 Tap)

Detector Type: Si Avalanche Photodetector

Wavelength Range: 350 nm - 900 nm

Active Detector Size: Ø50 µm

Typical Photon Detection Efficiency: 35% @ 500 nm

Dark Count Rate: 150 Hz (Typical) 200 Hz (Max)

Max Count Rate: 22 MHz

See the manual for complete specifications.



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