OBTAIN a measurement, however rough then endeavour to get a better, was the advice that Lord Kelvin used to urge upon his students. Quantitative analysis is the natural supplement of qualitative ...

The Korea Research Institute of Standards and Science has successfully developed a length measurement system that achieves a level of precision approaching the theoretical limit allowed by quantum ...

Precision manufacturing relies on accurate and precise dimensional metrology for process monitoring and control. Simply put, it is impossible to sustain a manufacturing process that is both accurate ...

A laser Doppler vibrometer’s (LDV) real-time capability enables measurement times roughly six orders of magnitude smaller compared to any method that is based on strobe techniques or provides a ...

This article explains the benefits of the non-contact inspection method used by 3D optical profilers, and outlines the best practices and measurement results for some specialized PTB ...

For decades, astronomers have searched for signs of extraterrestrial intelligence using radio telescopes and optical instruments, scanning the skies for artificial signals. Now, researchers are taking ...

Optical PAM4 technology is going mainstream, being incorporated into Ethernet standards such as IEEE 802.3bs and 802.3cd (400G, 200G, 100G and 50G speeds). The characterization, compliance, and ...