A beam profiler is an essential tool for any laser user. Carlos Roundy describes the options available and how to pick the right profiler for your application. Every laser user knows that they need a ...

For many centuries, the principle of triangulation - that is the geometric measurement using three-point relationships - has been relatively well known. In Europe, the land survey method established ...

Whether it's adjusting a telescope or focusing a laser beam to a small spot, wavefront sensing can help. Xavier Levecq explains the technique and the options available. Measuring the wavefront ...

High-precision magnetic sensors rely on uniform light to polarize atomic spins, yet most laser beams naturally deliver energy unevenly, limiting ...