TNP #24 – Teardown & Experiments with the Melles-Griot Triple-Channel Piezoelectric Controller

In this episode Shahriar presents a three channel Melles-Griot piezoelectric controller which can be used in conjunction with piezoelectric actuator for exceptionally precise movements. The instrument is capable of producing three independent voltages up to 75V per channel. In addition, the unit can use external SUM/DIFF analog signals and adjust the output voltages accordingly.
The instrument is used with a Thor Labs XYZ stage to achieve sub-micron movement accuracy and control. The reverse effects also shown where a mechanical shock to to the XYZ stage produces pulses of voltage.

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