Figure 1
From: Measurement of focal light spot at single-photon level with silicon photomultipliers

Schematic diagram of the experimental setup. SiPM silicon photomultiplier, PC personal computer; the dotted box represents the microscope.
From: Measurement of focal light spot at single-photon level with silicon photomultipliers

Schematic diagram of the experimental setup. SiPM silicon photomultiplier, PC personal computer; the dotted box represents the microscope.