Yujia Sun

Title: Yujia Sun: Innovator in Grating Interferometry

Introduction

Yujia Sun is a prominent inventor based in Changchun, China. He has made significant contributions to the field of grating interferometry, holding a total of 3 patents. His work focuses on enhancing the precision of displacement measurement through innovative devices.

Latest Patents

One of his latest patents is the "Littrow grating interferometry device and use thereof." This invention relates to the technical field of grating interferometry and includes a two-frequency orthogonal polarization light source, a polarizing beam splitting prism, a reflection assembly, a detector, and two diffraction gratings with identical parameters. The device splits the output light into horizontally and vertically polarizing measuring light, which undergoes diffraction and interference, allowing for precise calculation of grating displacement.

Another notable patent is the "Bidirectional Littrow two-degree-of-freedom grating interference measurement device based on double gratings." This device features a transmission two-dimensional grating and a reflection two-dimensional grating. A dual-frequency laser creates four beams that interact with the gratings, forming stable interference signals that carry displacement information, which are then detected for measurement.

Career Highlights

Yujia Sun is affiliated with the Chinese Academy of Sciences, where he continues to advance research in his field. His innovative approaches have garnered attention and recognition within the scientific community.

Collaborations

He has collaborated with notable colleagues such as Wenhao Li and Wenyuan Zhou, contributing to the advancement of grating interferometry technologies.

Conclusion

Yujia Sun's contributions to grating interferometry demonstrate his commitment to innovation and precision in measurement technologies. His patents reflect a deep understanding of optical engineering and a drive to improve measurement techniques.