Abstract: The present disclosure relates to a mount for an optical element for disposal, comprising an edge having an opening configured such that an optical element can be radially inserted into the mount. A first system may comprise the mount and an optical element for insertion into the mount, and a second system may comprise the first system and a device for receiving the mount. A laser processing head for laser material processing may comprise the second system.

Abstract: The present disclosure relates to a system for inserting a lens tube into an optical system, comprising an optical system housing having an opening for inserting a lens tube transverse to the beam direction of the optical system into a space behind the opening, with the space having lateral guiding and positioning elements; and the lens tube having sliding and sealing elements at its end face.

Abstract: The disclosure relates to a system and method for monitoring a high power laser beam in a laser material processing optical system, and provides a device and method for monitoring a high power laser beam. According to the present disclosure a detailed determination of properties of a high-power laser beam takes place in the direction of an optical fiber or laser beam entering a laser processing head connected to the laser source and these measurements can be performed during the processing operation. The device according to the present disclosure has optical sensors for measuring the intensity and respective current laser power.

Abstract: The disclosure relates to a system and a method for monitoring the state of optical elements of a device for laser material processing. According to the present disclosure a detailed monitoring of the state of optical elements of a device for laser material processing takes place by monitoring properties of laser radiation in the direction of an optical fiber or laser radiation entering a laser processing head connected to the laser source and these measurements, which can be performed during the processing process. The device according to the present disclosure has optical sensors for measuring the intensity and respective current laser power.