Roger David Hersch

Title: Innovations of Roger David Hersch

Introduction

Roger David Hersch is a prominent inventor based in Epalinges, Switzerland, known for his significant contributions to optical technologies. With 35 patents to his name, Hersch has developed innovative methods that bridge the gap between visual art and practical applications. His work has implications in various fields, including design and information technology.

Latest Patents

Among his most recent patents are groundbreaking advancements in visual effects and information encoding. One notable innovation is the "Fabrication of moiré on curved surfaces," where he introduces a method for designing and creating level-line moirés on curved surfaces. This technology utilizes a partially absorbing or light-deviating curved base layer, superimposed with a curved revealing layer consisting of transparent lines or cylindrical lenses. By carefully adjusting the distances between these layers, he achieves exquisite moiré patterns, showcased through both rendered simulations and physical fabrications.

Another patent, "Two-dimensional codes hidden as scattered line segments," unveils techniques for concealing QR codes within a visible layer of randomly arranged line segments. By employing specific scattering parameters stored in a key, these hidden codes can be detected using a smartphone, which rectifies the visual layer to reveal the encoded information. This innovation facilitates secure communication between physical documents and digital databases.

Career Highlights

Hersch has had an esteemed career, prominently associated with the École Polytechnique Fédérale de Lausanne (EPFL), one of the leading research institutions in Switzerland. His expertise and research have significantly advanced the fields of optics and material science. His inventive spirit and technical acumen have resulted in a diverse portfolio of patents that enhance both functional and aesthetic elements of modern technology.

Collaborations

Throughout his career, Roger David Hersch has collaborated with notable colleagues, including Sylvain Chosson and Romain Rossier. These partnerships reflect a commitment to innovation and the pursuit of excellence in developing groundbreaking technologies that impact various sectors.

Conclusion

Roger David Hersch’s contributions to the field of optical technologies illustrate the power of innovation in solving complex challenges. With numerous patents reflecting his ingenuity, his work continues to inspire future generations of inventors and researchers. Through his notable advancements, he plays a vital role in shaping both the artistic and functional landscapes of technology.