Concept Laser Gmbh

Jonathan William Ortner

Tobias Bokkes

Juergen Werner

Dominic Graf

Lisa Pastuschka

An apparatus for additively manufacturing three-dimensional objects may include at least one calibration unit, at least one irradiation device, and a determination device. The least one calibration unit may include at least one calibration region arranged in the beam guiding plane, and the at least one calibration region may include a plurality of sub-regions differing in respect of at least one optical property. The at least one irradiation device may be configured to guide a plurality of energy beams across the at least one calibration region comprising the plurality of sub-regions, and a plurality of calibration signals may be generated by the plurality of sub-regions being irradiated with the plurality of energy beams. The determination device may be configured to determine the plurality of calibration signals and to determine a calibration status of the irradiation device based at least in part on the determined plurality of calibration signals.

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Bamberg, Germany

Jonathan William Ortner