John R Feth

Title: Innovations of John R. Feth

Introduction

John R. Feth is a notable inventor based in Topanga, CA (US). He has made significant contributions to the field of optical fibers, holding a total of 4 patents. His work focuses on enhancing the functionality and efficiency of optical devices.

Latest Patents

Feth's latest patents include the "Form birefringent cutoff polarizer and method." This invention involves removing the cladding and a portion of the core of an optical fiber to create an interaction region. A form birefringent stack is then positioned on the exposed core, allowing for specific polarization characteristics. The stack's refractive index is designed to ensure that certain polarizations radiate from the fiber while others remain guided. Additionally, he has developed the "Form polarizing fibers and method of fabrication." This patent describes a polarizing optical fiber with a core made of multiple dielectric layers, each having different refractive indices. This design prevents energy from coupling between different polarization states, enhancing the fiber's performance.

Career Highlights

John R. Feth has worked at Litton Systems, Inc., where he has applied his expertise in optical technologies. His innovative approaches have contributed to advancements in the field, particularly in the development of specialized optical fibers.

Collaborations

Feth has collaborated with notable colleagues, including Chin-Lung Chang and Steven C. Furlong. Their combined efforts have led to significant advancements in optical technology.

Conclusion

John R. Feth's contributions to optical fiber technology through his patents and collaborations highlight his role as a key innovator in the field. His work continues to influence advancements in optical devices and systems.