Xiangwan DU is an esteemed expert in nuclear physics engineering technology. He has primarily focused his research on nuclear weapon physics, high-power lasers, and energy strategies. As an academic leader, he spearheaded a laser research project under the auspices of China's National High-Tech Research and Development Program (863 Program), independently charting a path for China's development of advanced high-power laser technology that is technically feasible, grounded in key technologies, poised for cross-century development, and tailored to China's national conditions.

 Through his efforts, numerous neutron physics challenges were addressed, and various testing programs were initiated and investigated. These endeavors led to significant improvements in neutron calculation speeds and the development of a comprehensive yet practical theoretical framework for nuclear test diagnostics. As a result, China's novel high-power laser technologies, including oxygen-iodine chemical lasers, have risen to the ranks of global leaders, marking a significant contribution to the country's nuclear weapons program and enhancing its position in the international arena of technological advancement.