Is your laser beam optimized for your application? In this video, we explain M2, the single value that describes how your beam correlates to a true TEM00 single-mode Gaussian beam. M2 describes how well your beam is focused on a surface. Knowing your beams M2 value allows you control the success of your laser application. Learn why laser developers and manufacturers rely on M2 measurements to design and maintain the quality of their lasers, and how knowing M2 can benefit you.