Youwei Yao

Title: Innovations of Youwei Yao in Optical Substrates

Introduction

Youwei Yao is a notable inventor based in Evanston, Illinois, recognized for his contributions to the field of optical substrates. With a total of two patents to his name, Yao has made significant advancements in the manipulation of stress in coatings, which are crucial for the performance of optical devices.

Latest Patents

Yao's latest patents focus on a stress manipulated coating for reshaping the figure of optical substrates. One patent describes a deposition system designed to form a stress distributed coating layer. This system includes a deposition apparatus with a source that restricts the flux of coating material towards the backside of an optical substrate. The apparatus also features a holder for the substrate, a drive system for relative translation, and a bias voltage power supply to apply voltage between the source and the substrate. The method involves depositing coating material at different locations on the substrate at varying bias voltages, resulting in a stress distributed coating layer.

Career Highlights

Yao is affiliated with Northwestern University, where he continues to innovate and contribute to research in optical technologies. His work has implications for various applications, enhancing the performance and efficiency of optical devices.

Collaborations

Yao has collaborated with esteemed colleagues such as Melville Paul Ulmer and Jian Cao, further enriching his research and development efforts in the field.

Conclusion

Youwei Yao's innovative work in the area of optical substrates demonstrates his commitment to advancing technology through his patents and collaborations. His contributions are paving the way for future developments in optical applications.