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 ...

High stable common-path digital holographic interferometers can be widely applied in long-term time-lapsing interferometric measurements, three-dimensional imaging, and quantitative phase imaging.

Photonic integrated circuits are revolutionizing sensing and measurement, enhancing FMCW LiDAR and vibrometry with precision, ...

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 ...

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 ...

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 ...

Single-molecule methods were born out of the desire to follow the dynamics of molecular processes in real time and the impossibility of synchronizing the behaviour of molecules in an ensemble. Most ...

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 ...

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 ...

What's behind the IEEE 802.3cz Multi-Gigabit Glass Optical Fiber Automotive Ethernet standard. Optical vs. electrical links in automotive Ethernet. Details behind various compliance and conformance ...