4D Photonics combines 25 years of experience in laser technology with customer-oriented solutions. We develop and manufacture customized systems for laser process monitoring. Customers use these WeldWatcher systems to monitor their laser processes in real-time worldwide.

The WeldWatcher is suited for a variety of applications – from microelectronics to components for e-mobility. Whether the materials used are steel, aluminum, copper or combinations thereof, the WeldWatcher is designed to meet customer requirements in fully automated production lines.

We, at 4D, always strive to find the best solution together with our customers. We adapt our systems to match the customer’s production network, using as few sensors as possible.