Identifying and fixing in-plane positioning and stability issues on a microscope using machine-readable patterned...

Area of Science:

• Microscopy
• Metrology
• Instrumentation

Background:

• Accurate in-plane positioning is critical for high-resolution microscopy.
• Current methods can be complex and time-consuming.
• Commercially available solutions for precise positioning are needed.

Purpose of the Study:

• To evaluate the efficacy of machine-readable encoded patterned scales for in-plane microscope positioning.
• To determine if positioning performance is solely dependent on stage capabilities.
• To identify and address system-level factors affecting positioning accuracy.

Main Methods:

• Utilized commercially available machine-readable patterned scales with absolute position information.
• Employed microscope cameras and custom software to capture and analyze scale images.
• Investigated positioning performance across different microscopy systems.

Main Results:

• Demonstrated simple and fast in-plane positioning experiments using the developed system.
• Identified positioning performance as a system issue, influenced by factors beyond stage performance.
• Discovered and resolved software and hardware glitches limiting positioning accuracy.
• Showcased the capability to investigate vibrations and quantify their impact on image blurring.

Conclusions:

• Machine-readable scales offer a robust solution for accurate microscope in-plane positioning.
• System-level analysis is crucial for optimizing microscopy positioning performance.
• This approach facilitates vibration analysis and settling time determination in microscopy.