Feng Chang

Title: Innovations of Feng Chang in Laser Technology

Introduction

Feng Chang is a notable inventor based in Beijing, China. He has made significant contributions to the field of laser technology, particularly in the area of laser pulse equalization. His innovative work has led to the development of systems and methods that enhance the performance of laser systems.

Latest Patents

Feng Chang holds a patent for "Systems and methods for laser pulse equalization." This patent describes systems and methods that provide laser pulse equalization at different pulse repetition frequencies (PRFs). The technology involves initially pumping a lasing medium from a first pumping level to a peak pumping level. A controller is then utilized to continue pumping the lasing medium according to a pulse equalization pumping curve. This curve is determined based on testing laser pulse parameters at various PRFs to achieve optimal equalization results. The optimization metric evaluates the consistency of pulse energy levels, peak power levels, and pulse widths under different PRFs. The equalization pumping curve can take various forms, including linearly declining, exponentially declining, or parametrically declining curves.

Career Highlights

Feng Chang is currently employed at Electro Scientific Industries, Inc., where he continues to innovate in the field of laser technology. His work has been instrumental in advancing the capabilities of laser systems, making them more efficient and effective.

Collaborations

Feng Chang collaborates with several professionals in his field, including his coworker Yunlong Sun. Their combined expertise contributes to the ongoing development of cutting-edge laser technologies.

Conclusion

Feng Chang's contributions to laser technology through his patent on laser pulse equalization demonstrate his innovative spirit and commitment to advancing the field. His work at Electro Scientific Industries, Inc. continues to influence the future of laser applications.