Guanghua Yi

Title: Innovations of Guanghua Yi in Fiber-Optic Piezoelectric Devices

Introduction

Guanghua Yi is a notable inventor based in Kingston, CA. He has made significant contributions to the field of piezoelectric devices, particularly through his innovative work involving optical fibers. His research focuses on creating efficient, simple, miniature, and economical piezoelectric and ultrasonic devices.

Latest Patents

Guanghua Yi holds 1 patent for his invention titled "Fiber-optic piezoelectric devices." This patent describes devices that utilize optical fibers coated with lead-zirconate-titanate (PZT) thin piezoelectric and ferroelectric films. The PZT thin films are fabricated using a sol-gel method, allowing optical fibers to be dipped into the PZT solution. Following this, an annealing and electric poling process is applied to achieve optimal piezoelectricity in the coated films. This innovative coating process can be implemented as an on-line method, enabling coating lengths that can exceed meters. The long coating length, combined with high piezoelectricity and the miniature, flexible nature of the devices, makes them suitable for various applications in medical, telecommunication, and sensor fields.

Career Highlights

Guanghua Yi is affiliated with Queen's University at Kingston, where he continues to advance his research in piezoelectric technology. His work has garnered attention for its potential applications and innovative approach to utilizing optical fibers in piezoelectric devices.

Collaborations

Some of his notable coworkers include Cheng-Kuei Jen and Michael Sayer, who have contributed to his research endeavors and innovations in the field.

Conclusion

Guanghua Yi's contributions to fiber-optic piezoelectric devices represent a significant advancement in technology, showcasing the potential for innovative applications in various industries. His work continues to inspire future research and development in this important area.