Controller boasts nanometre precision
A
PI (Physik Instrumente) product story
Edited by the Engineeringtalk editorial team
May 2, 2006
The new E-625 nanopositioning controller was specifically designed to drive the Pifoc family of piezoelectric Z-stack nanofocusing drives from PI.
PI (Physik Instrumente) introduces a new affordable nanopositioning controller for high-speed Z-stack image acquisition.
High speed Z-stack image acquisition is the basis for the generation of 3D views of bio-samples in high-resolution, optical microscopes.
Conventional Z-drives use a motorised actuator and motor controller to create numerous focus planes during focusing.
The individual "slices" are then processed with special software to form one 3D image.
Piezo controllers, together with piezo-actuated Z-stack drives, achieve significantly higher speed (typically 10 versus 100ms) and resolution (typically 1 versus 100nm) than motor drives/controllers and thus provide higher-quality images in less time.
The new E-625 nanopositioning controller was specifically designed to drive the Pifoc family of piezoelectric Z-stack nanofocusing drives from PI.
It can provide better than 1nm resolution and achieve very short response and settling times on the order of only 10ms.
The controller also boasts both a high-bandwidth analogue interface and a 20bit digital interface for maximum flexibility.
It integrates a low-noise piezo power amplifier, a high-speed servo controller and sensor electronics for absolute-measuring nanopositioning sensors.
Other applications include nanopositioning, scanning and alignment tasks in microscopy, biotechnology, optics, semiconductor technology and photonic packaging.
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Contact PI (Physik Instrumente)
Tel +44 1234 756360
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