Roland Stierlin

Title: The Innovations of Roland Stierlin

Introduction

Roland Stierlin is a notable inventor based in Granichen, Switzerland. He has made significant contributions to the field of optical technology, holding a total of 3 patents. His work focuses on developing advanced current transformers that utilize the Faraday effect, showcasing his expertise in optical engineering.

Latest Patents

One of Stierlin's latest patents is an optical current transformer. This device measures the Faraday rotation of light in a waveguide that encloses the current. The waveguide is designed as an integrated-optics single-mode waveguide embedded in a substrate. This innovative design allows for the integration of additional elements such as polarizers, mirrors, and Y couplers into the substrate, resulting in a sensor element that is simple to produce and largely insensitive to environmental influences like temperature fluctuations and vibrations.

Another significant patent is for a rugged fiber-optical current sensor based on the Faraday effect. This fiber-optical current transformer operates in reflection mode and includes a sensor coil with a sensor fiber that detects current. A light source couples light into an incoming fiber, and a fiber-optical polarizer ensures the direction of polarization aligns with the birefringence axis of the fiber. The design incorporates a Y splitter that manages the light flow between the sensor fiber and the outgoing fiber, enhancing the device's functionality.

Career Highlights

Stierlin's career is marked by his innovative contributions to optical technology. His patents reflect a deep understanding of the principles of light and current measurement. He has worked diligently to create devices that are not only effective but also resilient to various environmental conditions.

Collaborations

Throughout his career, Stierlin has collaborated with esteemed colleagues such as Hubert Brandle and Klaus Bohnert. These partnerships have likely contributed to the advancement of his projects and the successful development of his patents.

Conclusion

Roland Stierlin's work in optical technology has led to significant advancements in current measurement devices. His innovative patents demonstrate his commitment to improving the reliability and efficiency of optical current transformers. His contributions continue to influence the field and inspire future innovations.