Herbert Walter Klaus Petermann

Title: Herbert Walter Klaus Petermann: Innovator in Laser Technology

Introduction

Herbert Walter Klaus Petermann is a notable inventor based in Wedel, Germany. He has made significant contributions to the field of laser technology, particularly through his innovative patent that enhances the efficiency and versatility of laser light emission.

Latest Patents

Petermann holds a patent for a laser designed to emit light in the visible spectral range. This invention involves a rare earth doped anisotropic crystal arranged within a laser resonator. A pumping light source is utilized to energize the crystal, generating laser light in the visible spectrum. The unique feature of this invention is the absorption band of the rare earth doped anisotropic crystal, which extends over several nanometers. This allows for the use of pump light with a relatively broad wavelength range, reducing the precision required for the wavelength accuracy of the pumping light source. Consequently, this innovation enables the use of a greater variety of pumping light sources, thereby minimizing the number of rejects during the assembly of the laser.

Career Highlights

Petermann is associated with Koninklijke Philips Corporation N.V., a leading company in the technology and healthcare sectors. His work at Philips has allowed him to focus on advancing laser technology and its applications.

Collaborations

Throughout his career, Petermann has collaborated with esteemed colleagues such as Ulrich Weichmann and Matthias Alexander Wilhelm Fechner. These collaborations have contributed to the development and refinement of his innovative ideas.

Conclusion

Herbert Walter Klaus Petermann's contributions to laser technology exemplify the impact of innovation in the field. His patent not only enhances the functionality of lasers but also broadens the scope of their applications.