Roger E Allen

Title: The Innovations of Roger E. Allen

Introduction

Roger E. Allen is a prominent inventor based in Alexandria, VA, known for his significant contributions to the field of laser technology. With a total of 13 patents to his name, Allen has made remarkable advancements that have implications in various applications.

Latest Patents

Among his latest patents is the "Rare earth ion doped CW cascade fiber laser." This invention presents a continuous wave (CW) activator ion doped fiber laser that operates at a normally self-terminating laser transition, achieving a slope efficiency greater than that of traditional self-terminating fiber lasers. By simultaneously stimulating two laser transitions, Allen's design effectively depopulates the lower level of the self-terminating transition, enabling continuous wave operation. Another notable patent is the "Erbium-doped fluorozirconate fiber laser pumped by a diode laser source." This room temperature laser system produces a CW laser emission at approximately 2.7 microns, utilizing a laser diode source and a fiber laser doped with erbium activator ions.

Career Highlights

Roger E. Allen works for the United States as represented by the Secretary of the Navy. His work has been instrumental in advancing laser technologies that are crucial for various military and civilian applications.

Collaborations

Throughout his career, Allen has collaborated with notable individuals such as Leon Esterowitz and Melvin R. Kruer, contributing to the development of innovative laser systems.

Conclusion

Roger E. Allen's contributions to laser technology through his patents and collaborations highlight his role as a leading inventor in the field. His work continues to influence advancements in laser applications, showcasing the importance of innovation in technology.