Dongqing Cao

Title: The Innovative Contributions of Dongqing Cao

Introduction

Dongqing Cao is a prominent inventor based in San Jose, California, known for his significant contributions to optical technology. With a total of 13 patents to his name, he has made remarkable advancements in the field of imaging and optical elements. His work has been instrumental in developing technologies that enhance the functionality and efficiency of optical systems.

Latest Patents

One of Dongqing Cao's latest patents is a freeform diffractive optical element (DOE) designed for use in optical transmitters. This innovative DOE achieves similar functionality to traditional glass DOEs while being compatible with a molding process that allows for high-quality manufacturing at lower costs. The method involves preselecting a computer-generated hologram (CGH) to obtain a target freeform DOE design, smoothing the surface profile, and utilizing a fabrication process to produce the DOE.

Another notable patent involves imaging pixels with depth sensing capabilities. This technology includes depth sensing pixels that convert incident light into image signals, utilizing an imaging lens to focus light onto the imager. Each pixel features a microlens that directs light through a color filter onto two photosensitive regions, enabling the determination of depth and color information based on the output signals from these regions.

Career Highlights

Throughout his career, Dongqing Cao has worked with several notable companies, including Semiconductor Components Industries, LLC and Aptina Imaging Corporation. His experience in these organizations has allowed him to refine his skills and contribute to cutting-edge optical technologies.

Collaborations

Dongqing has collaborated with talented individuals in the field, including Gennadiy A Agranov and Junichi Nakamura. These collaborations have fostered innovation and have led to the development of advanced optical solutions.

Conclusion

Dongqing Cao's contributions to optical technology through his patents and collaborations highlight his role as a leading inventor in the field. His innovative work continues to influence advancements in imaging and optical systems, showcasing the importance of creativity and research in technology development.