Thesis: The Effect of Small Focus Diameters on the Geometry and Quality of Laser Welds

In cooperation with the Chair of Laser Technology (LLT), the Fraunhofer Institute for Laser Technology (ILT)—Europe’s leading center for contract research and development in the field of laser technology—is offering the opportunity to write a thesis on the topic: The Influence of Small Focus Diameters on the Geometry and Quality of Laser Welds.

The miniaturization of laser welds is crucial for various applications such as electromobility (fuel cells and batteries), medical technology, electrical engineering, as well as the jewelry, precious metals, and watchmaking industries. With your thesis, you will make a valuable contribution to innovation and the creation of unique selling points in these industries. Join our #OneTeam and write your thesis with us in Aachen.

Be part of change

• The goal of your work is to investigate the effect of small spot sizes (≤ 30 µm) on the geometry and quality of laser welds

• There are numerous open questions that you can address

• Your skills and interests will be taken into account in the detailed assignment description

What you contribute

• You are studying mechanical engineering or a related field and are interested in innovative laser-based manufacturing processes

• Motivation and a passion for exciting, hands-on work are among your strengths

• You are known for your independent and organized approach to work

What we offer

• Team spirit: Creative, interdisciplinary environment with a motivated team, flat hierarchies, and an informal culture.

• Workplace: Excellent range of machines and equipment, as well as first-class office facilities.

• Involvement: Practice-oriented thesis in an innovative applied research environment.

• Work-life balance: Benefit from flexible working hours based on trust.

• Getting there: Good transport connections, parking spaces directly in front of the institute, an e-charging station, and a parking garage.

The position is limited in duration until completion of the thesis. We value and promote the diversity of our employees' skills and therefore welcome all applications – regardless of age, gender, nationality, ethnic and social origin, religion, ideology, disability, sexual orientation and identity. Severely disabled persons are given preference in the event of equal suitability. Our tasks are diverse and adaptable – for applicants with disabilities, we work together to find solutions that best promote their abilities.

With its focus on developing key technologies that are vital for the future and enabling the commercial utilization of this work by business and industry, Fraunhofer plays a central role in the innovation process. As a pioneer and catalyst for groundbreaking developments and scientific excellence, Fraunhofer helps shape society now and in the future.

Ready for a change? Then apply now and make a difference! Once we have received your online application, you will receive an automatic confirmation of receipt. We will then get back to you as soon as possible and let you know what happens next.

If you have any questions about this position, please contact:

Alexander Schürmann M. Sc. Phone: +49 241/8906-438

Fraunhofer Institute for Laser Technology ILT www.ilt.fraunhofer.de

Requisition Number: 82721 Application Deadline: 10/31/2026