Yu Chun Chang

Title: **Innovator Spotlight: Yu Chun Chang**

Introduction

Yu Chun Chang, an accomplished inventor based in Campbell, CA, is recognized for his innovative contributions to the field of optical systems. With a total of two patents to his name, Chang's work focuses on the advancement of technologies used in correcting optical aberrations and enhancing the performance of optical transceivers.

Latest Patents

Yu Chun Chang's most recent patents showcase his engineering prowess. The first patent titled "Simple Low Cost Tip-Tilt Wavefront Sensor Having Extended Dynamic Range" reveals a low-cost, high-reliability system designed to correct aberrations in optical signals. This patent describes a foreoptic assembly, such as a telescope, that captures incoming optical signals, directing them to an active optical element like a fast steering mirror. The signal is processed by a diffractive optical element to accurately shape the image at a wavefront sensor, such as a quad-cell, which measures any aberrations. Meanwhile, the active optical element makes necessary adjustments to correct these aberrations, ensuring that the outgoing optical signal can be transmitted along the same path as the incoming signal, effectively accounting for any issues with the original signal.

The second patent, "Position Sensor for a Fast Steering Mirror," details a free-space optical transceiver that utilizes a repositionable mirror to facilitate the reception and transmission of light beams between transceivers. This invention incorporates a position sensor that evaluates the mirror's position along two axes, utilizing reflected sensor light for precise positioning without requiring direct alignment of the components. This innovative design enhances the responsiveness of the steering mirror while optimizing the overall structure of the system.

Career Highlights

Yu Chun Chang's career at Aoptix Technologies, Inc. has been marked by significant achievements. His focus on developing high-quality optical systems has established him as a key player in optical technology innovations. His ability to blend functionality with cost-effectiveness has been influential in the evolution of optical signal correction methods.

Collaborations

Throughout his career, Chang has collaborated with notable colleagues, including Siegfried Fleischer and Glenn Scott Gibb, Jr. These collaborations have enriched his work and contributed to advancements in the field of optics, demonstrating the importance of teamwork in technological innovation.

Conclusion

Yu Chun Chang's contributions to optical technology reflect his commitment to innovation and excellence. His patents are a testament to his ability to address complex challenges in optical systems, leading to improved performance and reliability. As he continues to push the boundaries of technology at Aoptix Technologies, Inc., the impact of his work will undoubtedly resonate within the industry and beyond.