Low-cost, open-source XYZ nanopositioner for high-precision analytical applications

Area of Science:

• Engineering and Physics
• Instrumentation and Measurement

Background:

• Nanoscale positioning is crucial for scientific research and industry, demanding high resolution and long working distances.
• Conventional friction-inertia nanopositioners are expensive due to complex mechanisms, precision machining, and assembly requirements.

Purpose of the Study:

• To design and present an open-source XYZ-axis nanopositioning system.
• To overcome the cost and complexity limitations of existing nanopositioners.

Main Methods:

• Development of a magnet-based stick-slip driving mechanism for XYZ nanopositioning.
• Performance validation through scanning, stepping operation modes, and resonant spectra analysis.

Main Results:

• The proposed XYZ nanopositioner achieves sub-nanometer resolution and a 12 kg payload capacity.
• The system is compact, low-cost, easy to assemble, and adjustment-free.
• Demonstrated applications in scanning electron microscopy, vibrometry, and atomic force microscopy.

Conclusions:

• The open-source XYZ nanopositioner offers a cost-effective, high-performance solution for nanoscale positioning.
• The design is versatile, with 11 variations for different applications including vacuum compatibility and 3D printing.