Reliability is increasingly important as industrial and defense laser applications move to higher power levels. A practical understanding of beam propagation is essential for validating system performance, monitoring focus behavior, and diagnosing changes before they affect the application. Knowing what happens around the laser's focused spot can be as critical as what happens at focus.
 
This webinar examines how non-contact, real-time caustic measurements simplify beam-quality characterization for lasers operating at a few hundred watts up to multiple kilowatts. We discuss the advantages of rapid, repeatable measurements for commissioning, periodic checks, and troubleshooting, as well as avoiding direct contact with the beam and eliminating dependence on beam-sampling optics. The session also covers Rayleigh Scatter imaging and related high-power measurement and beam-dump solutions.