Dr. Lei Raymond Cao is Professor and Program Director of the Nuclear Engineering Program at The Ohio State University (OSU). He also serves as the Director of OSU-Nuclear Reactor Lab. Dr. Cao received his B.S. degree in experimental nuclear physics from Lanzhou University (1994), MS in nuclear physics from CIAE (2002), and PhD from nuclear and radiological engineering program at University of Texas at Austin (2007). Prior to joining OSU, Dr. Cao was a research associate at Positron Emission Tomography lab at Harvard Medical School and then at the Center for Neutron Research, National Institute of Standards and Technology (NIST) at Maryland. Dr. Cao's major research interests focus on nuclear instrumentation and sensor, in-pile instrumentation, radiation effects, and nuclear analytical technologies. Dr. Cao has published ~ 95 peer-reviewed journal articles and ~ 50 conference proceedings. Dr. Cao is  on the executive committee of Isotope and Radiation Division (IRD) at the American Nuclear Society and also served the IRD chair during 2015-2016. He is Associate Editor for IEEE Transactions on Nuclear Science.


  • WBG Semiconductor Radiation Sensor

  • Nuclear Instrumentation

  • Radiation Effects and Survivability

  • Nuclear Voltaic Battery

  • Reactor and In-pile Instrumentation

  • Neutron Analytical Techniques (Neutron Depth Profiling, Prompt Gamma Neutron Activation Analysis)

  • Neutron Radiography and Tomography