Professor Yidong Tan from Tsinghua University gave an academic report titled “Laser interferometry ultra-precision measurement technology, instruments, and applications” in Room 109, Mingli Building, Xianlin Campus, on May 12, 2026, at 13:30. Professor Dongmei Guo of the School of Computer and Electronic Information hosted the report.

In this report, Professor Tan showcased his team's latest achievements in the field of laser precision measurement. The report elaborated on the entire chain of work, from fundamental theoretical innovation and core instrument development to application breakthroughs, focusing on three areas: laser interferometry, laser feedback measurement, and novel vortex beam interferometry. Professor Tan concluded by stating that the team adheres to a development path of "technological breakthrough—instrument development—application breakthroughs." In the future, they will promote the transformation of their achievements into fields such as lithography machines, gravitational wave detection, and aerospace, achieving independent control over high-end measurement instruments.

Short Bio:
Yidong Tan is a professor and doctoral supervisor in the Department of Precision Instruments at Tsinghua University, primarily engaged in teaching and research in laser technology and precision measurement. He has received funding from the National Natural Science Foundation of China's Excellent Young Scientists Fund and the Royal Society's Newton Advanced Fellowship program. He is the leader of an innovation team funded by the Ministry of Education and has been selected for the Ministry of Education's National High-Level Talent Program. As the principal investigator, he has led over 40 projects, including those funded by the National Natural Science Foundation of China, key technology research projects in the field of testing instruments funded by the Equipment Development and Research Center and the State Administration of Science, Technology and Industry for National Components, the State-owned Assets Supervision and Administration Commission's Major Innovation LHT Project, the Ministry of Science and Technology's Key Research and Development Program, and major scientific instrument projects.