Why a larger beam results in a smaller spot size in laser designation?
In that blog post we cited NATO standard STANAG 3733, which required that the laser beam have a divergence small enough so that 90% of its energy is on target 95% of the time assuming a 2.3 x 2.3 m target. We went on to explain that most laser designators are designed to be used at distances up to 5 km. Therefore, one of the most critical factors when choosing a laser source is the beam d… Read More