Lessmüller Lasertechnik GmbH

Lessmüller Lasertechnik GmbH is a Munich-based developer and manufacturer of sensor systems and laser welding optics for quality assurance in industrial welding. Established in 1990, the company focuses on automated process monitoring and control. Its portfolio includes systems for seam tracking, penetration depth measurement, welding monitoring and seam inspection, built on Optical Coherence Tomography, camera systems with controlled external light, and photodiodes. Five high-precision systems are offered for laser welding quality assurance: OCT 250 for inline penetration depth measurement and seam tracking, LSO modular welding optic with integrated sensor technology, OCTSCAN 2.5 scanner optic with built-in OCT, and WELDCHECK for weld seam inspection. Products integrate with existing production facilities and are deployed worldwide in body construction, powertrain, e-mobility, white goods, mechanical engineering, medical technology, battery manufacturing and hairpin welding.