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Ying K. Wu, Professor and Associate Director for Accelerators & Light Sources, DFEL (member, Faculty, Medical Physics Graduate Program) of Physics

Ying K. Wu
Contact Info:
Office Location:  210 FEL Building
Office Phone:  (919) 660-2654, (919) 660-2646
Email Address: send me a message


PhDDuke University1995
MADuke University1991
BSBeijing University (Peking University)1988

Beam physics
Nonlinear dynamics and complex systems
Research Interests: Accelerator Physics and Novel Light Source Development

Prof. Wu is interested in nonlinear dynamics of charged particle beams, coherent radiation sources, and the development of novel accelerators and light sources. One of his research focuses is to study the charged particle nonlinear dynamics using the modern techniques such as Lie Algebra, Differential Algebra, and Frequency Analysis. This direction of research will significantly further the understanding of the nonlinear phenomena in light source storage rings and collider rings, improve their performance, and provide guidance for developing next generation storage rings. The second area of research is to study and develop coherent radiation sources such as broad-band far infrared radiation from dipole magnets and coherent mm-wave radiation from a free-electron-laser (FEL). With this direction of research, he hopes to study the beam stability issues, in particular, the single bunch instabilities in the storage ring, develop diagnostics to monitor and improve the stability of the light source beams, and eventually develop novel means to overcome instabilities. These areas of research will provide foundations for developing a femto-second hard x-ray Compton back scattering radiation source driven by a mm-wave FEL - a next generation light source.

Current Ph.D. Students   (Former Students)

  • Wei Li  
  • Weizheng Zhou  
  • Jun Yan  
Postdocs Mentored

  • Wenzhong Wu (October, 2012 - April, 2014)  
  • Hao Hao (October, 2011 - October, 2014)  
  • Jingyi Li (2002/07-2005/07)  
Recent Publications   (More Publications)

  1. Xu Wei, Li Jing-Yi, Huang Sen-Lin, W.Z. Wu, H. Hao, P. Wang, Y.K. Wu, Conditioning of BPM pickup signals for operations of the Duke storage ring with a wide range of single-bunch current, Chinese Phys. C, vol. 38 no. 10 (2014), pp. 107003
  2. S. Huang, J. Y. Li, B. Jia, and Y. K. Wu, Relative spectral response measurement of spectrometers using undulator radiation, JINST, vol. 9 no. P03002 (2014) [doi]
  3. Xu Wei, W.Z. Wu, J.Y. Li, He Due-Hui, Y.K. Wu, Betatron Tune Measurement System Based on Bunch-by-bunch Transverse Feedback at Duke Storage Ring, Chinese Phys. C, vol. 37 (2013), pp. 077006
  4. Y.K. Wu, Matthew D. Busch, Mark Emamian, Joe Faircloth, Hao Hao, Jingyi Li, Stepan F. Mikhailov, Victor Popov, Gary Swift, Patrick Walter Wallace, Ping Wang, Jun Yan, Commissioning and Operation of Wiggler Switchyard System for Duke FEL and HIGS, Proceedings of the 2013 International Particle Accelerator Conference (IPAC'13), Shanghai, China, May 12 -- 17, 2013 (2013), pp. 267 -- 268
  5. Y.K. Wu, Accelerator Physics and Light Source Research Program at Duke University, Proceedings of the 2013 International Particle Accelerator Conference (IPAC'13), Shanghai, China, May 12 -- 17, 2013 (2013), pp. 264 -- 266

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