Efim L Portnoi

Title: Efim L Portnoi: Innovator in Laser Technology

Introduction

Efim L Portnoi is a notable inventor based in St.-Petersburg, Russia. He has made significant contributions to the field of laser technology, particularly with his innovative designs that enhance laser performance. His work has implications for various applications in optics and photonics.

Latest Patents

Efim L Portnoi holds a patent for a "Phased matched surface emitting diode laser." This invention defines a laser cavity using gratings that provide distributed feedback within the cavity, oscillating at a predetermined wavelength. Notably, at least one of the gratings deflects a portion of the light wave at an angle to the plane of the active layer, facilitating surface emission of the laser beam. To further enhance the output of the laser cavity, an additional grating is positioned on the side of the active layer opposite to the first gratings. This innovative design showcases his expertise in optimizing laser technology.

Career Highlights

Throughout his career, Efim L Portnoi has focused on advancing laser technology. His patent reflects his commitment to improving the efficiency and functionality of laser systems. His work is recognized within the scientific community for its potential to influence future developments in the field.

Collaborations

Efim has collaborated with notable colleagues, including Mikhail A Kaliteevski and Olga G Sheremet. These partnerships have likely contributed to the depth and breadth of his research and innovations.

Conclusion

Efim L Portnoi is a distinguished inventor whose work in laser technology has paved the way for advancements in the field. His patented designs demonstrate a commitment to innovation and excellence in engineering.