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Updated: Jul 21, 2025

Author Spotlight: Introduction to Active Probe Atomic Force Microscopy with Quattro-Parallel Cantilever Arrays
Published on: June 13, 2023
Scanning Probe Microscopy controller with advanced sampling support
Miroslav Valtr1,2, Petr Klapetek1,2, Jan Martinek1
1Czech Metrology Institute, Okružní 31, 638 00 Brno, Czech Republic.
Abstract:
A low-cost Digital Signal Processor (DSP) unit for advanced Scanning Probe Microscopy measurements is presented. It is based on Red Pitaya board and custom built electronic boards with additional high bit depth AD and DA converters. By providing all the necessary information (position and time) with each data point collected it can be used for any scan path, using either existing libraries for scan path generation or creating adaptive scan paths using Lua scripting interface. The DSP is also capable of performing statistical calculations, that can be used for decision making during scan or for the scan path optimisation on the DSP level.
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