F-Theta lens with at least one first and a second optical assembly and a laser material processing device with an F-Theta lens

摘要

F-Theta lens (1) for focusing high performance lasers having the following characteristics:at least one first lens (4) comprising a first optical assembly stored in a first lens housing (2), the first lens (4) having at least one first surface (4A) and a second surface (4B) with approximately the same radius of curvature;andat least one lens (6,7) comprising a second optical assembly, the first and second lens housing being connected in a connecting area (V), and the lens adjacent to the connecting area in the first lens housing (4).