All laser mirrors require antireflective coating on ... stress is the mounting of this mirror in the system. The cube or mount must not induce an uneven torque in the substrate.

This is exactly what [bitluni] did in a recent video, meshing together said laser diode, UV-sensitive PLA, stepper motors and two mirrors with an Arduino-based controller to create a rather ...

By contrast, an open-cavity laser has a gas-discharge tube ... To switch mirrors easily, [Les] crafted a rotating turret mount for six different mirrors. The turret fits in a standard optical ...