Startup from the University of Stuttgart receives investment from High-Tech Gründerfonds

22. April 2021

Twenty-One Semiconductors is a spin-off from the University of Stuttgart which manufactures new kinds of laser crystals for biomedical applications. It intends to use the financial support to start production.

Image: Hermann Kahle

Dr. Roman Bek (left) and Norbert Witz-Haszler
An optically pumped semiconductor laser. The laser crystal is stimulated by the green light of a pump laser and produces red laser light.
Image: Thomas Schwarzbäck
An optically pumped semiconductor laser with UV emission. The laser light is converted into ultraviolet radiation via an additional crystal in the laser resonator.
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