Thomas O'Brien, Jr

Title: Thomas O'Brien, Jr.: Innovator in Vertical-Cavity Surface-Emitting Lasers

Introduction

Thomas O'Brien, Jr. is a notable inventor based in Champaign, IL (US). He has made significant contributions to the field of vertical-cavity surface-emitting lasers, holding two patents that showcase his innovative work.

Latest Patents

O'Brien's latest patents focus on mode control in vertical-cavity surface-emitting lasers. The patents detail aspects such as a first distributed Bragg reflector, a second distributed Bragg reflector, and an active region with an oxide aperture positioned between the two reflectors. The inclusion of a dielectric layer is crucial, as its positioning relative to the reflectors and the oxide aperture leads to the suppression of higher modes in the laser device. These patents highlight the advanced technology and methodologies that O'Brien has developed.

Career Highlights

O'Brien is affiliated with the University of Illinois, where he continues to engage in research and development in his field. His work has contributed to advancements in laser technology, which have applications in various industries.

Collaborations

Some of O'Brien's notable coworkers include John M Dallesasse and Benjamin Kesler. Their collaborative efforts have further enhanced the research and innovations in vertical-cavity surface-emitting lasers.

Conclusion

Thomas O'Brien, Jr. is a distinguished inventor whose work in vertical-cavity surface-emitting lasers has led to significant advancements in the field. His contributions through patents and collaborations continue to influence technology and research.