Fitzpatrick Institute for Photonics Fitzpatrick Institute for Photonics
Pratt School of Engineering
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Ying Wu, Professor of Physics

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


Ph.D.Duke University1995
M.A.Duke University1991
B.S.Beijing University (China)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. G Laskaris, X Yan, JM Mueller, WR Zimmerman, W Xiong, MW Ahmed, T Averett, PH Chu, A Deltuva, C Flower, AC Fonseca, H Gao, J Golak, JN Heideman, HJ Karwowski, M Meziane, PU Sauer, R Skibiński, II Strakovsky, HR Weller, H Witała and YK Wu, Measurement of the doubly-polarized He3→(γ→,n)pp reaction at 16.5 MeV and its implications for the GDH sum rule, Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics, vol. 750 (November, 2015), pp. 547-551, ISSN 0370-2693 [doi]  [abs]
  2. YK Wu, J Yan, H Hao, JY Li, SF Mikhailov, VG Popov, NA Vinokurov, S Huang and J Wu, Widely Tunable Two-Color Free-Electron Laser on a Storage Ring., Physical review letters, vol. 115 no. 18 (October, 2015), pp. 184801, ISSN 0031-9007 [doi]  [abs]
  3. HR Weller, MW Ahmed and YK Wu, Nuclear Physics Research at the High Intensity Gamma-Ray Source (HIγS), Nuclear Physics News, vol. 25 no. 3 (July, 2015), pp. 19-24, ISSN 1061-9127 [doi]
  4. W Xu, J-Y Li, S-L Huang, WZ Wu, H Hao, P Wang and YK Wu, Conditioning of BPM pickup signals for operations of the Duke storage ring with a wide range of single-bunch current, Chinese Physics C, vol. 38 no. 10 (2014), pp. 107003-107003, ISSN 1674-1137 [doi]
  5. S Huang, JY Li, B Jia and YK Wu, Relative spectral response measurement of spectrometers using undulator radiation, Journal of Instrumentation, vol. 9 no. 03 (March, 2014), pp. P03002-P03002 [doi]

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