photon counting

How Does Photon Counting Work?

Photon counting typically involves a single-photon detector that converts incoming photons into electrical signals. These signals are then counted and analyzed. Common types of single-photon detectors include avalanche photodiodes (APDs), photomultiplier tubes (PMTs), and superconducting nanowire single-photon detectors (SNSPDs). Each of these detectors has its own advantages and limitations, making them suitable for different applications.

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