This DIY lasertag project designed by [Nii], which ... An infrared LED points forward, and with the help of a lens, focuses the beam tightly enough to make aiming meaningful.

Here are the types of most interest to a DIY interior remodeler ... indoor and some outdoor applications. A cross-line laser shoots visible beams straight ahead in the horizontal and vertical ...

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 ...