Mengnan Xiao

Title: Mengnan Xiao: Innovator in Optical MEMS Pressure Sensors

Introduction

Mengnan Xiao is a prominent inventor based in Tianjin, China. He has made significant contributions to the field of optical MEMS pressure sensors. His innovative work focuses on enhancing the accuracy and efficiency of pressure measurement systems.

Latest Patents

Mengnan Xiao holds a patent for a "Residual pressure measurement system for Fabry-Perot cavity of optical MEMS pressure sensor and method thereof." This invention discloses a sophisticated measurement system that includes a low-coherence light source, a 3 dB coupler, a MEMS pressure sensor, an air pressure chamber, a thermostat, a pressure control system, a cavity length demodulator, an acquisition card, and a computer. The method involves performing cavity length measurements using reflecting light at two different temperatures to calibrate the MEMS pressure sensor. This establishes a relationship between the absolute phase of a monochromatic frequency and the external pressure. The process includes linear fitting of measurement data to determine external pressure when cavity lengths are equal, ultimately calculating the residual pressure under flat diaphragm conditions.

Career Highlights

Mengnan Xiao is affiliated with Tianjin University, where he continues to advance research in the field of MEMS technology. His work has garnered attention for its practical applications in various industries, particularly in precision measurement.

Collaborations

Mengnan collaborates with notable colleagues, including Shuang Wang and Junfeng Jiang, who contribute to his research endeavors and innovations.

Conclusion

Mengnan Xiao's contributions to optical MEMS pressure sensors exemplify the importance of innovation in technology. His patent reflects a commitment to improving measurement systems, showcasing his role as a key inventor in this field.