Internal and external optics for coaxial high-power CO2 lasers

摘要

Abstract: The coaxial construction of a laser has proved to be a very interesting solution to achieve a very high laser power with comparatively small efforts. Optics for coaxial resonators have to be changed as well as the optics for the beam guidance. This new kind of laser is already being used to weld thick steal as well as various difficult materials. The fact that only two optical elements are used inside the resonator and another two optical elements outside makes the whole process very stable.!8