レーザを用いた材料加工機械の光学素子、光学素子を備えるレーザ加工ヘッド及びレーザを用いた材料加工機械を運転する方法

摘要

An optical element for installation in a laser processing machine has a surface that is optically unused and/or not subject to a laser beam during operation of the laser processing machine when the optical element is installed in the laser processing machine, and a transponder disposed in a region on or near the surface and containing readable information relating to the optical element.