Jeffrey E Ungar

Title: Innovations by Jeffrey E. Ungar in Semiconductor Laser Technology

Introduction

Jeffrey E. Ungar is a notable inventor based in Los Angeles, California, recognized for his contributions to semiconductor laser technology. With a total of two patents to his name, Ungar has made significant advancements in high power semiconductor lasers, which have applications in various fields.

Latest Patents

Ungar's latest patents include a high power semiconductor laser and a single frequency high power semiconductor laser. The high power semiconductor laser features a heterostructure design that allows for high power output while minimizing the risk of catastrophic optical mirror damage. This is achieved through a wide output facet that reduces power density. The design incorporates a trapezoidal gain medium layer that facilitates single transverse mode oscillation, ensuring efficient performance.

The single frequency high power semiconductor laser also employs a distributed feedback heterostructure. This design ensures a single frequency output at high power, utilizing a similar trapezoidal gain medium layer. The incorporation of a distributed feedback grating allows for the selection of a single longitudinal oscillation mode, which is crucial for maintaining stability in the laser output.

Career Highlights

Jeffrey E. Ungar has been associated with Ortel Corporation, where he has contributed to the development of advanced laser technologies. His work has been instrumental in enhancing the performance and reliability of semiconductor lasers, making them more effective for various applications.

Collaborations

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Conclusion

Jeffrey E. Ungar's innovations in semiconductor laser technology have paved the way for advancements in high power laser applications. His patents reflect a deep understanding of laser mechanics and a commitment to improving technology in this field.