New 50mm PDM with 37 channels

Geometry of PDM-37-50The mirror has 37 PZT actuators forming a hexagonal grid with 6.9 mm pitch. Free actuator stroke is approximately 7 µm, the stroke difference between the neighbor actuators reaches 2 µm.

The mirror is driven by a 40-ch HV amplifier unit, controlled from a computer USB port via a 40-ch 12-bit USB DAC module.

The case of the mirror has the same sizes as that of 109-ch PDM -- 100x100x60mm. Please download its technical drawing for more details. Front view of 79-channel PDM