Spatial coherence means that there is a well-defined beam with well-defined phase across it. For many lasers, the divergence of the laser beam is as low as 1–2 times the diffraction limit ...

depending on the transmitted laser beam divergence, the FOV of the receiving telescope and the angle between the axes of the laser beam and telescope. The processed data are already corrected for this ...

When the high-intensity laser struck the water sheet ... Compared to experiments using solid targets, the water sheet reduced ...

Knowledge of a laser beam's shape and output-power distribution is critical for optimizing laser performance. Neil Savage summarizes the latest beam-profiling products on the market. People using ...