THORLABS SPDMA Single Photon Detection Module (350-1100 nm)

Detector Type: Si Avalanche Photodetector

Wavelength Range: 350 nm - 1100 nm

Active Detector Size: Ø500 µm

Gain Adjustment Factor (Typical): 4

Typical Photon Detection Efficiency (@ Max Gain):

- 58% @ 500 nm

- 66% @ 650 nm

- 43% @ 820 nm

Dark Count Rate:

- <75 Hz (Typical); <400 Hz (Max) @ Min Gain

- <300 Hz (Typical); <1500 Hz (Max) @ Max Gain

Count Rate: 20 MHz (Typical @ Max Gain)

(a) See the manual for complete specifications.

MANUAL: