Guanhua Feng

Title: The Innovative Contributions of Guanhua Feng

Introduction

Guanhua Feng, an accomplished inventor based in Dover, NJ, has made significant strides in the realm of optical sensor technology. With a portfolio that includes two patents, Feng's work exemplifies the intersection of innovation and engineering.

Latest Patents

Feng’s latest contributions consist of two advanced inventions: the Aligned Embossed Diaphragm-Based Fiber Optic Sensor and a MEMS Fiber Optic Microphone. The Aligned Embossed Diaphragm-Based Fiber Optic Sensor is an interferometric sensor that merges the principles of Fabry-Perot and Michelson/Mach-Zehnder technologies. This economical sensor boasts high efficiency and reliability, fabricated using micro-electromechanical systems (MEMS) technology. The DFOS design features a cavity between a silicon diaphragm and the endface of a single-mode optic fiber, providing precise control over the gap width ranging from 1 micron to 10 microns. This system ensures Q-point stability as it operates in liquid mediums by utilizing microchannels to maintain consistent pressure across the diaphragm.

Feng's second patent, the MEMS Fiber Optic Microphone, focuses on the theory, design, fabrication, and characterization of a diaphragm-fiber optic microphone. By leveraging MEMS technology, it features a compact 1.9 mm x 1.9 mm diaphragm that effectively captures acoustic waves, showcasing the capability of the microphone to reproduce audible sounds with remarkable clarity through Fabry-Perot interference.

Career Highlights

Guanhua Feng contributes his expertise to the New Jersey Institute of Technology, where he engages in groundbreaking research and development in optical sensor technologies. His impressive knowledge and innovative approach have positioned him at the forefront of invention in this field.

Collaborations

Feng collaborates with esteemed colleagues, including Ken K Chin and Harry Roman, emphasizing a commitment to teamwork and shared discovery in the arena of optical engineering. These partnerships enhance his research endeavors and broaden the impact of his technological advancements.

Conclusion

With a focus on MEMS and fiber optic technologies, Guanhua Feng embodies the spirit of innovation in modern engineering. His contributions through inventions like the DFOS and MEMS Fiber Optic Microphone have not only advanced sensor technology but also set a foundation for future developments in the field. As his career progresses, Feng remains a significant figure in the pursuit of new and effective technological solutions.