Company Filing History:
Years Active: 2024
Title: Innovations of Honglong Chang in Acousto-Optic Gyroscopes
Introduction
Honglong Chang is a prominent inventor based in Xi'an, China. He has made significant contributions to the field of acousto-optic gyroscopes, holding a total of 2 patents. His work focuses on enhancing the sensitivity and precision of gyroscopic detection systems.
Latest Patents
One of his latest patents is the "Chip-level disc-type acousto-optic standing wave gyroscope." This invention includes a substrate shaped like a circular disc, with a gyroscope structure placed on its upper surface. The gyroscope structure comprises an acoustic wave drive module and an optical detection module, designed to improve the sensitivity of gyroscope detection. The acoustic wave drive module features an annular interdigitated transducer and a metal electrode layer group, while the optical detection module includes a series of optical waveguides and couplers.
Another notable patent is the "Chip-level resonant acousto-optic coupled solid-state wave gyroscope," which is based on MEMS technology. This gyroscope combines a surface acoustic progressive wave mode sensitive structure with a micro-ring resonant cavity optical detection structure. The invention utilizes the acousto-optic effect to convert mechanical strain into variations in the refractive index of an optical waveguide, thereby generating frequency modulation. This innovation significantly enhances the detection resolution and overall performance of the gyroscope.
Career Highlights
Honglong Chang is affiliated with Northwestern Polytechnical University, where he continues to advance research in acousto-optic technologies. His work has garnered attention for its potential applications in various fields, including navigation and aerospace.
Collaborations
He collaborates with notable colleagues such as Lu Tian and Qiang Shen, contributing to a dynamic research environment focused on cutting-edge innovations in gyroscopic technology.
Conclusion
Honglong Chang's contributions to the field of acousto-optic gyroscopes exemplify the impact of innovative research on technology. His patents reflect a commitment to enhancing the precision and sensitivity of gyroscopic systems, paving the way for future advancements in this area.