Ying Wu | Scholars@Duke

Ying Wu
Professor of Physics

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 Appointments & Affiliations

Professor of Physics, Physics, Trinity College of Arts & Sciences 2013

Contact Information

210 Fel Bldg, Fel Laboratory, Lasalle Street Extension, Durham, NC 27708-0319
Box 90319, Durham, NC 27708-0319
wu@phy.duke.edu (919) 660-2654

Background
Education, Training, & Certifications
- Ph.D., Duke University 1995
- M.A., Duke University 1991
- B.S., Beijing University (China) 1988
Duke Appointment History
- Associate Professor of Physics, Physics, Trinity College of Arts & Sciences 2007 - 2013
- Assistant Professor of Physics, Physics, Trinity College of Arts & Sciences 2001 - 2007
Academic Positions Outside Duke
- Staff Physicist, Lawrence Berkeley National Laboratory. 1999 - 2001
Recognition
In the News
- FEB 21, 2014 Duke Research Blog
  
  Touring the Planet’s Most Powerful Gamma Ray Source
Awards & Honors
Research
Selected Grants
- A Cost-effective High-configurable Iris Diaphragm Beam Halo Detector awarded by Euclid TechLabs, LLC 2020 - 2022
- Development of Tunable, Precision Permanent Magnet Phase Shifter for X-Ray FEL awarded by Electron Energy Corporation 2019
- Studies of Nuclear Structure Using Neutrons and Charged Particles awarded by Department of Energy 1997 - 2019
- International Workshop on the Next Generation Gamma-ray Sources awarded by Department of Energy 2015 - 2017
- Cross-disciplinary Training in Medical Physics awarded by National Institutes of Health 2007 - 2013
- Biomedical and Biological Research Applications of a Storage-Ring Free-Electron Laser awarded by Air Force Office of Scientific Research 2000 - 2008
- Novel Research Opportunities Using the Duke Storage-Ring FEL awarded by Air Force Office of Scientific Research 2004 - 2006
- 3D Magnetic Field Effects on the Beam Dynamics in the Next Generation High Energy Physics Accelerator awarded by Department of Energy 2001 - 2003
Publications & Artistic Works
Selected Publications
- Academic Articles
  - Liu, P., J. Yan, H. Hao, and Y. K. Wu. “Phase retrieval for short wavelength orbital angular momentum beams using knife-edge diffraction.” Optics Communications 474 (November 1, 2020). https://doi.org/10.1016/j.optcom.2020.126077.
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  - Yan, J., H. Hao, S. Huang, J. Li, V. N. Litvinenko, P. Liu, S. F. Mikhailov, et al. “Polarization control of a free-electron laser oscillator using helical undulators of opposite helicities.” Physical Review Accelerators and Beams 23, no. 6 (June 1, 2020). https://doi.org/10.1103/PhysRevAccelBeams.23.060702.
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  - Li, X., M. W. Ahmed, A. Banu, C. Bartram, B. Crowe, E. J. Downie, M. Emamian, et al. “Compton scattering from He 4 at the TUNL HIγ S facility.” Physical Review C 101, no. 3 (March 1, 2020). https://doi.org/10.1103/PhysRevC.101.034618.
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  - Gai, M., D. Schweitzer, S. R. Stern, A. H. Young, R. Smith, M. Cwiok, J. S. Bihalowicz, et al. “Time Projection Chamber (TPC) detectors for nuclear astrophysics studies with gamma beams.” Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment 954 (February 21, 2020). https://doi.org/10.1016/j.nima.2019.01.006.
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  - Yan, J., J. M. Mueller, M. W. Ahmed, H. Hao, S. Huang, J. Li, V. N. Litvinenko, et al. “Precision control of gamma-ray polarization using a crossed helical undulator free-electron laser.” Nature Photonics 13, no. 9 (September 1, 2019): 629–35. https://doi.org/10.1038/s41566-019-0467-6.
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  - Pan, Z., J. Byrd, H. Hao, W. Huang, D. Li, C. Sun, Y. K. Wu, and C. Tang. “Design and dynamic studies for a compact storage ring to generate gamma-ray light source based on Compton backscattering technique.” Physical Review Accelerators and Beams 22, no. 4 (April 18, 2019). https://doi.org/10.1103/PhysRevAccelBeams.22.040702.
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  - Li, B., H. Hao, J. Y. Li, and Y. K. Wu. “Transverse beam profile measurement system for the Duke storage ring.” Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment 911 (December 11, 2018): 45–50. https://doi.org/10.1016/j.nima.2018.09.102.
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  - Li, W., H. Hao, S. F. Mikhailov, V. Popov, W. M. Li, and Y. K. Wu. “Compensation for booster leakage field in the Duke storage ring.” Chinese Physics C 41, no. 1 (January 1, 2017). https://doi.org/10.1088/1674-1137/41/1/017002.
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  - “Study of magnetic hysteresis effects in a storage ring using precision tune measurement.” Chinese Physics C 40, no. 12 (December 1, 2016). https://doi.org/10.1088/1674-1137/40/12/127002.
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  - Yan, J., H. Hao, J. Y. Li, S. F. Mikhailov, V. G. Popov, N. A. Vinokurov, S. Huang, J. Wu, S. Günster, and Y. K. Wu. “Storage ring two-color free-electron laser.” Physical Review Accelerators and Beams 19, no. 7 (July 1, 2016). https://doi.org/10.1103/PhysRevAccelBeams.19.070701.
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  - Laskaris, G., X. Yan, J. M. Mueller, W. R. Zimmerman, W. Xiong, M. W. Ahmed, T. Averett, et al. “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 750 (November 12, 2015): 547–51. https://doi.org/10.1016/j.physletb.2015.09.065.
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  - Wu, Y. K., J. Yan, H. Hao, J. Y. Li, S. F. Mikhailov, V. G. Popov, N. A. Vinokurov, S. Huang, and J. Wu. “Widely Tunable Two-Color Free-Electron Laser on a Storage Ring.” Physical Review Letters 115, no. 18 (October 26, 2015): 184801. https://doi.org/10.1103/physrevlett.115.184801.
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  - Weller, H. R., M. W. Ahmed, and Y. K. Wu. “Nuclear Physics Research at the High Intensity Gamma-Ray Source (HIγS).” Nuclear Physics News 25, no. 3 (January 1, 2015): 19–24. https://doi.org/10.1080/10619127.2015.1035932.
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  - Laskaris, G., Q. Ye, B. Lalremruata, Q. J. Ye, M. W. Ahmed, T. Averett, A. Deltuva, et al. “Spin-dependent cross sections from the three-body photodisintegration of He 3 at incident energies of 12.8 and 14.7 MeV.” Physical Review C Nuclear Physics 89, no. 2 (February 11, 2014). https://doi.org/10.1103/PhysRevC.89.024002.
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  - Huang, S., J. Y. Li, B. Jia, and Y. K. Wu. “Relative spectral response measurement of spectrometers using undulator radiation.” Journal of Instrumentation 9, no. 3 (January 1, 2014). https://doi.org/10.1088/1748-0221/9/03/P03002.
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  - Leviner, L. E., C. E. Aalseth, M. W. Ahmed, F. T. Avignone, H. O. Back, A. S. Barabash, M. Boswell, et al. “A segmented, enriched N-type germanium detector for neutrinoless double beta-decay experiments.” Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment 735 (January 1, 2014): 66–77. https://doi.org/10.1016/j.nima.2013.08.081.
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  - Xu, W., J. Y. Li, S. L. Huang, W. Z. Wu, H. Hao, P. Wang, and Y. K. Wu. “Conditioning of BPM pickup signals for operations of the Duke storage ring with a wide range of single-bunch current.” Chinese Physics C 38, no. 10 (January 1, 2014). https://doi.org/10.1088/1674-1137/38/10/107003.
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  - Hao, H., S. F. Mikhailov, J. Li, and Y. K. Wu. “Design of a soft orbit bump for FEL mirror protection at duke FEL/HIGS facility.” Ipac 2013: Proceedings of the 4th International Particle Accelerator Conference, December 24, 2013, 2006–8.
  - Li, J. Y., H. Hao, W. Z. Wu, S. Mikhailov, V. Popov, and Y. K. Wu. “Compensation schemes for operation of FEL wigglers on duke storage ring.” Ipac 2013: Proceedings of the 4th International Particle Accelerator Conference, December 24, 2013, 3270–72.
  - Mikhailov, S. F., H. Hao, J. Y. Li, V. G. Popov, P. W. Wallace, and Y. K. Wu. “Protection of VUV FEL mirrors using soft orbit bump at duke FEL / HIγS facility.” Ipac 2013: Proceedings of the 4th International Particle Accelerator Conference, December 24, 2013, 1301–3.
  - Wu, Y. K. “Accelerator physics and light source research program at duke university.” Ipac 2013: Proceedings of the 4th International Particle Accelerator Conference, December 24, 2013, 264–66.
  - Wu, Y. K., H. Hao, J. Li, S. Mikhailov, V. Popov, W. Z. Wu, J. Yan, et al. “Commissioning and operation of wiggler switchyard system for duke FEL and HIGS.” Ipac 2013: Proceedings of the 4th International Particle Accelerator Conference, December 24, 2013, 267–69.
  - Xu, W., W. Z. Wu, J. Y. Li, D. H. He, and Y. K. Wu. “A betatron tune measurement system based on bunch-by-bunch transverse feedback at the Duke storage ring.” Chinese Physics C 37, no. 7 (July 1, 2013). https://doi.org/10.1088/1674-1137/37/7/077006.
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  - Laskaris, G., Q. Ye, B. Lalremruata, Q. J. Ye, M. W. Ahmed, T. Averett, A. Deltuva, et al. “First measurements of spin-dependent double-differential cross sections and the Gerasimov-Drell-Hearn Integrand from 3He(γ,n)pp at incident photon energies of 12.8 and 14.7 MeV.” Physical Review Letters 110, no. 20 (May 17, 2013): 202501. https://doi.org/10.1103/physrevlett.110.202501.
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  - Zimmerman, W. R., M. W. Ahmed, B. Bromberger, S. C. Stave, A. Breskin, V. Dangendorf, Th Delbar, et al. “Unambiguous identification of the second 2+ state in 12C and the structure of the Hoyle state.” Physical Review Letters 110, no. 15 (April 10, 2013): 152502. https://doi.org/10.1103/physrevlett.110.152502.
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  - Xu, W., W. Z. Wu, D. H. He, and Y. K. Wu. “Design and optimization of a longitudinal feedback kicker cavity for the HLS-II storage ring.” Chinese Physics C 37, no. 3 (March 1, 2013). https://doi.org/10.1088/1674-1137/37/3/037003.
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  - Omer, M., H. Negm, H. Zen, T. Hori, T. Kii, K. Masuda, H. Ohgaki, et al. “Active interrogation of nuclear materials using LaBr3: Ce detectors.” Energy Procedia 34 (January 1, 2013): 50–56. https://doi.org/10.1016/j.egypro.2013.06.732.
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  - Hao, H., J. Li, and Y. K. Wu. “New storage ring lattice for the duke fel wiggler switchyard system.” Ipac 2012 International Particle Accelerator Conference 2012, December 1, 2012, 1272–74.
  - Mikhailov, S. F., J. Y. Li, V. G. Popov, P. W. Wallace, and Y. K. Wu. “Soft orbit bump for duke storage ring VUV FEL operation.” Ipac 2012 International Particle Accelerator Conference 2012, December 1, 2012, 1774–76.
  - Omer, M., H. Negm, H. Zen, T. Hori, T. Kii, K. Masuda, H. Ohgaki, et al. “Detection of photon-induced excitations in ²³⁵U with LaBr 3:Ce scintillating detectors.” Ieee Nuclear Science Symposium Conference Record, December 1, 2012, 55–58. https://doi.org/10.1109/NSSMIC.2012.6551059.
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  - Popov, V., S. Mikhailov, P. Wallace, and Y. Wu. “Cold cathode thyratron based high-voltage kicker generators at the duke accelerators: Six year experience.” Ipac 2012 International Particle Accelerator Conference 2012, December 1, 2012, 3698–3700.
  - Xu, W., D. He, W. Z. Wu, J. Li, and Y. K. Wu. “Electron beam diagnostics based on transverse feedback system at duke storage ring.” Ipac 2012 International Particle Accelerator Conference 2012, December 1, 2012, 849–51.
  - Sun, C., and Y. K. Wu. “Theoretical and simulation studies of characteristics of a Compton light source.” Physical Review Special Topics Accelerators and Beams 14, no. 4 (April 21, 2011). https://doi.org/10.1103/PhysRevSTAB.14.044701.
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  - Wu, W. Z., Y. Kim, J. Y. Li, D. Teytelman, M. Busch, P. Wang, G. Swift, I. S. Park, I. S. Ko, and Y. K. Wu. “Development of a bunch-by-bunch longitudinal feedback system with a wide dynamic range for the HIGS facility.” Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment 632, no. 1 (March 2011): 32–42. https://doi.org/10.1016/j.nima.2010.12.077.
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  - Quarati, F. G. A., A. Owens, P. Dorenbos, J. T. M. De Haas, G. Benzoni, N. Blasi, C. Boiano, et al. “High energy gamma-ray spectroscopy with LaBr3 scintillation detectors.” Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment 629, no. 1 (February 11, 2011): 157–69. https://doi.org/10.1016/j.nima.2010.11.035.
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  - Mikhailov, S. F., V. G. Popov, J. Li, and Y. K. Wu. “Study of FEL mirror degradation at the DUKE FEL and higs facility.” Ipac 2010 1st International Particle Accelerator Conference, December 1, 2010, 2275–77.
  - Sun, C., J. Li, W. Z. Wu, S. F. Mikhailov, V. G. Popov, Y. K. Wu, J. Zhang, H. L. Xu, and A. W. Chao. “Electron beam polarization measurement using touschek lifetime technique.” Ipac 2010 1st International Particle Accelerator Conference, December 1, 2010, 262–64.
  - Sun, C., and Y. K. Wu. “A semi-analytical algorithm for modelling Compton gamma-ray beams.” Ipac 2010 1st International Particle Accelerator Conference, December 1, 2010, 265–67.
  - Wu, Y. K. “Accelerator physics research and light source development at Duke University.” Ipac 2010 1st International Particle Accelerator Conference, December 1, 2010, 2648–50.
  - Jia, B., J. Li, S. Huang, S. C. Schmidler, and Y. K. Wu. “Electron beam energy spread measurements using optical klystron radiation.” Physical Review Special Topics Accelerators and Beams 13, no. 8 (August 4, 2010). https://doi.org/10.1103/PhysRevSTAB.13.080702.
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  - Jia, B., Y. K. Wu, J. J. Bisognano, A. W. Chao, and J. Wu. “Influence of an imperfect energy profile on a seeded free electron laser performance.” Physical Review Special Topics Accelerators and Beams 13, no. 6 (June 16, 2010). https://doi.org/10.1103/PhysRevSTAB.13.060701.
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  - Sun, C., J. Zhang, J. Li, W. Z. Wu, S. F. Mikhailov, V. G. Popov, H. L. Xu, A. W. Chao, and Y. K. Wu. “Polarization measurement of stored electron beam using Touschek lifetime.” Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment 614, no. 3 (March 11, 2010): 339–44. https://doi.org/10.1016/j.nima.2010.01.034.
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  - Bernstein, A. M., M. W. Ahmed, S. Stave, Y. K. Wu, and H. R. Weller. “Chiral dynamics in photopion physics: Theory, experiment, and future studies at the HIγS facility.” Annual Review of Nuclear and Particle Science 59 (December 1, 2009): 115–44. https://doi.org/10.1146/annurev.nucl.010909.083220.
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  - Sun, C., and Y. K. Wu. “A 4D Monte Carlo Compton scattering code.” Ieee Nuclear Science Symposium Conference Record, December 1, 2009, 477–80. https://doi.org/10.1109/NSSMIC.2009.5401609.
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  - Pietralla, N., T. C. Li, M. Fritzsche, M. W. Ahmed, T. Ahn, A. Costin, J. Enders, et al. “Competition between excited core states and 1 ℏ ω single-particle excitations at comparable energies in ²⁰⁷Pb from photon scattering.” Physics Letters, Section B: Nuclear, Elementary Particle and High Energy Physics 681, no. 2 (October 26, 2009): 134–38. https://doi.org/10.1016/j.physletb.2009.09.059.
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  - Huang, S., J. Li, and Y. K. Wu. “Water-cooled, in-cavity apertures for high power operation of FEL oscillators.” Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment 606, no. 3 (July 21, 2009): 762–69. https://doi.org/10.1016/j.nima.2009.04.017.
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  - Sun, C., Y. K. Wu, G. Rusev, and A. P. Tonchev. “End-to-end spectrum reconstruction method for analyzing Compton gamma-ray beams.” Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment 605, no. 3 (July 1, 2009): 312–17. https://doi.org/10.1016/j.nima.2009.03.237.
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  - Sun, C., J. Li, G. Rusev, A. P. Tonchev, and Y. K. Wu. “Energy and energy spread measurements of an electron beam by Compton scattering method.” Physical Review Special Topics Accelerators and Beams 12, no. 6 (June 18, 2009). https://doi.org/10.1103/PhysRevSTAB.12.062801.
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  - Rusev, G., A. P. Tonchev, R. Schwengner, C. Sun, W. Tornow, and Y. K. Wu. “Multipole mixing ratios of transitions in ¹¹B.” Physical Review C Nuclear Physics 79, no. 4 (April 1, 2009). https://doi.org/10.1103/PhysRevC.79.047601.
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  - Weller, H. R., M. W. Ahmed, H. Gao, W. Tornow, Y. K. Wu, M. Gai, and R. Miskimen. “Research opportunities at the upgraded HIγS facility.” Progress in Particle and Nuclear Physics 62, no. 1 (January 1, 2009): 257–303. https://doi.org/10.1016/j.ppnp.2008.07.001.
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  - Blackston, M. A., M. W. Ahmed, B. A. Perdue, H. R. Welller, B. Bewer, R. E. Pywell, W. A. Wurtz, et al. “Erratum: First observation of the splittings of the E1 p-wave amplitudes in low energy deuteron photodisintegration and its implications for the Gerasimov-Drell-Hearn sum rule integrand (Physical Review C (2008) 78 (034003)).” Physical Review C Nuclear Physics 78, no. 6 (December 1, 2008). https://doi.org/10.1103/PhysRevC.78.069905.
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  - Huang, S., G. Swift, and Y. K. Wu. “Controlling wiggler harmonic radiation to reduce damage to FEL cavity mirrors.” 30th International Free Electron Laser Conference, Fel 2008, December 1, 2008, 135–38.
  - Mikhailov, S. F., V. G. Popov, S. Huang, J. Li, and Y. K. Wu. “A pass-by-pass gain measurement technique for oscillator FELs.” 30th International Free Electron Laser Conference, Fel 2008, December 1, 2008, 139–42.
  - Blackston, M. A., M. A. Ahmed, B. A. Perdue, H. R. Weller, B. Bewer, R. E. Pywell, W. A. Wurtz, et al. “First observation of the splittings of the E1 p-wave amplitudes in low energy deuteron photodisintegration and its implications for the Gerasimov-Drell-Hearn Sum Rule integrand.” Physical Review C Nuclear Physics 78, no. 3 (September 17, 2008). https://doi.org/10.1103/PhysRevC.78.034003.
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  - Hartman, S. M., S. F. Mikhailov, V. Popov, and Y. K. Wu. “A physics based approach for ramping magnet control in a compact booster.” Proceedings of the Ieee Particle Accelerator Conference, December 1, 2007, 515–17. https://doi.org/10.1109/PAC.2007.4440263.
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  - Huang, S., J. Li, and Y. K. Wu. “A direct electron beam energy spread measurement system for beam instability and FEL research.” Proceedings of the Ieee Particle Accelerator Conference, December 1, 2007, 4045–47. https://doi.org/10.1109/PAC.2007.4440051.
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  - Kim, Y., J. Li, and Y. Wu. “Growth time of the longitudinal coupled bunch mode beam instability at the Duke FEL facility.” Proceedings of the Ieee Particle Accelerator Conference, December 1, 2007, 4036–38. https://doi.org/10.1109/PAC.2007.4440049.
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  - Kim, Y., W. Wu, M. Busch, P. Wang, Y. K. Wu, D. Teytelman, I. S. Park, and I. S. Ko. “New generation digital longitudinal feedback system for Duke FEL and HIγS facilities.” Proceedings of the Ieee Particle Accelerator Conference, December 1, 2007, 518–20. https://doi.org/10.1109/PAC.2007.4440264.
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  - Li, J., P. Wang, and Y. K. Wu. “BPM signal conditioning for a wide range of single-bunch current operation in the Duke storage ring.” Proceedings of the Ieee Particle Accelerator Conference, December 1, 2007, 4042–44. https://doi.org/10.1109/PAC.2007.4440050.
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  - Li, J., S. F. Mikhailov, S. Huang, V. Popov, and Y. K. Wu. “Compensation of the beam dynamics effects caused by the extraction Lambertson septum of the HIGS booster.” Proceedings of the Ieee Particle Accelerator Conference, December 1, 2007, 3582–84. https://doi.org/10.1109/PAC.2007.4440499.
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  - Mikhailov, S. F., M. D. Busch, M. Emamian, S. M. Hartman, Y. Kim, J. Li, V. G. Popov, et al. “Commissioning of the booster injector synchrotron for the HIGS facility at Duke University.” Proceedings of the Ieee Particle Accelerator Conference, December 1, 2007, 1209–11. https://doi.org/10.1109/PAC.2007.4441032.
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  - Mikhailov, S. F., Y. K. Wu, J. Li, V. G. Popov, and S. M. Hartman. “Challenges for energy ramping in a compact booster synchrotron.” Proceedings of the Ieee Particle Accelerator Conference, December 1, 2007, 1212–14. https://doi.org/10.1109/PAC.2007.4441033.
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  - Popov, V., M. Busch, S. Hartman, J. Li, S. Mikhailov, P. Wallace, P. Wang, Y. K. Wu, and G. Y. Kurkin. “Electron beam diagnostics for compact 1.2 GEV booster synchrotron.” Proceedings of the Ieee Particle Accelerator Conference, December 1, 2007, 4051–53. https://doi.org/10.1109/PAC.2007.4440052.
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  - Popov, V., M. Busch, S. Hartman, S. Mikhailov, O. Oakeley, P. Wallace, and Y. K. Wu. “Power supply system for a compact 1.2 GEV booster synchrotron.” Proceedings of the Ieee Particle Accelerator Conference, December 1, 2007, 521–23. https://doi.org/10.1109/PAC.2007.4440265.
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  - Sun, C., and Y. K. Wu. “The feasibility study of measuring the polarization of a relativistic electron beam using a compton scattering gamma-ray source.” Proceedings of the Ieee Particle Accelerator Conference, December 1, 2007, 4057–59. https://doi.org/10.1109/PAC.2007.4440053.
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  - Wu, Y. K. “Accelerator physics research and light source development programs at Duke University.” Proceedings of the Ieee Particle Accelerator Conference, December 1, 2007, 1215–17. https://doi.org/10.1109/PAC.2007.4441034.
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  - Wu, Y. K., J. Li, V. Popov, S. F. Mikhailov, and P. Wang. “A tune measurement system for lowcurrent and energy ramping operation of a booster synchrotron.” Proceedings of the Ieee Particle Accelerator Conference, December 1, 2007, 4063–65. https://doi.org/10.1109/PAC.2007.4440054.
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  - Tonchev, A. P., C. Angell, M. Boswell, A. Chyzh, C. R. Howell, H. J. Karwowski, J. H. Kelley, W. Tornow, N. Tsoneva, and Y. K. Wu. “Study of collective dipole excitations below the giant dipole resonance at HIγS.” Aip Conference Proceedings 891 (April 4, 2007): 339–47. https://doi.org/10.1063/1.2713535.
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  - Wu, Y. K., N. A. Vinokurov, S. Mikhailov, J. Li, and V. Popov. “High-gain lasing and polarization switch with a distributed optical-klystron free-electron laser.” Physical Review Letters 96, no. 22 (June 9, 2006): 224801. https://doi.org/10.1103/physrevlett.96.224801.
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  - Li, T. C., N. Pietralla, A. P. Tonchev, M. W. Ahmed, T. Ahn, C. Angell, M. A. Blackston, et al. “First evidence for spin-flip M1 strength in Ar40.” Physical Review C Nuclear Physics 73, no. 5 (May 15, 2006). https://doi.org/10.1103/PhysRevC.73.054306.
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  - Werner, V., N. Pietralla, P. Von Brentano, U. Kneissl, H. H. Pitz, A. Tonchev, M. W. Ahmed, et al. “New findings for mixed-symmetry states.” Aip Conference Proceedings 819 (March 13, 2006): 340–44. https://doi.org/10.1063/1.2187881.
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  - Arbuzov, V. S., A. Bushuev, N. Gavrilov, E. I. Gorniker, E. Kenjebulatov, M. A. Kholopov, A. A. Kondakov, et al. “Commissioning of the new RF system with the HOM damped RF cavity.” Proceedings of the Ieee Particle Accelerator Conference 2005 (December 1, 2005): 1555–56. https://doi.org/10.1109/PAC.2005.1590833.
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  - Busch, M., S. Mikhailov, M. Emamian, J. Faircloth, S. Hartman, J. Li, V. Popov, et al. “Status of the booster injector for the duke fel storage ring.” Proceedings of the Ieee Particle Accelerator Conference 2005 (December 1, 2005): 3544–46. https://doi.org/10.1109/PAC.2005.1591533.
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  - Hartmant, S. M., S. F. Mikhailov, and Y. K. Wu. “A control system for the duke booster synchrotron.” Proceedings of the Ieee Particle Accelerator Conference 2005 (December 1, 2005): 3792–94. https://doi.org/10.1109/PAC.2005.1591620.
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  - Kurkin, G., I. Pinaev, S. Hartman, S. Mikhailov, and Y. Wu. “A new timing system for the Duke booster and storage ring.” Proceedings of the Ieee Particle Accelerator Conference 2005 (December 1, 2005): 3159–60. https://doi.org/10.1109/PAC.2005.1591398.
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  - Litvinenko, V. N., Y. Wu, B. Burnham, G. A. Barnett, and J. M. Madey. “Picosecond, tunable, high-brightness hard x-ray inverse Compton source at Duke storage ring.” Proceedings of Spie the International Society for Optical Engineering 2521 (January 1, 1995): 2–12. https://doi.org/10.1117/12.218350.
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  - Wu, Y., V. N. Litvinenko, and J. M. J. Madey. “Study of undulator influence on the dynamic aperture for the Duke FEL storage ring.” Nuclear Inst. and Methods in Physics Research, A 341, no. 1–3 (March 1, 1994): 363–66. https://doi.org/10.1016/0168-9002(94)90383-2.
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  - Burnham, B., N. Hower, V. N. Litvinenko, J. M. J. Madey, and Y. Wu. “Specific features of magnet design for the Duke FEL storage ring.” Proceedings of the Ieee Particle Accelerator Conference 4 (December 1, 1993): 2889–91.
  - Wu, Y., V. N. Litvinenko, and J. M. J. Madey. “Lattice and dynamic aperture of the Duke FEL storage ring.” Proceedings of the Ieee Particle Accelerator Conference 1 (December 1, 1993): 218–20.
  - Wu, Y., V. N. Litvinenko, E. Forest, and J. M.J. Madey. “Dynamic aperture study for the Duke FEL storage ring.” Nuclear Inst. and Methods in Physics Research, A 331, no. 1–3 (July 1, 1993): 287–92. https://doi.org/10.1016/0168-9002(93)90060-U.
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  - Litvinenko, V. N., J. M. J. Madey, S. V. Benson, B. Burnham, and V. Wu. “DUKE storage ring FEL program.” Proceedings of Spie the International Society for Optical Engineering 1552 (December 1, 1991): 2–6. https://doi.org/10.1117/12.50586.
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- Conference Papers
  - Płaczek, W., A. Abramov, S. E. Alden, R. Alemany Fernandez, P. S. Antsiferov, A. Apyan, H. Bartosik, et al. “Gamma factory at CERN - Novel research tools made of light.” In Acta Physica Polonica B, 50:1191–1203, 2019. https://doi.org/10.5506/APhysPolB.50.1191.
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  - Yan, J., H. Hao, S. Mikhailov, V. Popov, S. Huang, J. Y. Li, V. N. Litvinenko, N. A. Vinokurov, and Y. K. Wu. “Polarization control of storage ring FELs using cross polarized helical undulators.” In Proceedings of the 38th International Free Electron Laser Conference, Fel 2017, 235–39, 2017. https://doi.org/10.18429/JACoW-FEL2017-TUC01.
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  - Li, W., H. Hao, W. Xu, and Y. K. Wu. “Direct and high resolution beta-function measurements for storage ring lattice characterization.” In Ipac 2016 Proceedings of the 7th International Particle Accelerator Conference, 3272–74, 2016.
  - Hao, H., S. Mikhailov, V. Popov, Y. K. Wu, and J. Li. “Characterizing betatron tune knobs at Duke storage ring.” In 6th International Particle Accelerator Conference, Ipac 2015, 672–74, 2015.
  - Li, W., J. Li, H. Hao, S. F. Mikhailov, V. Popov, and Y. K. Wu. “Measuring Duke storage ring lattice using tune based technique.” In 6th International Particle Accelerator Conference, Ipac 2015, 293–96, 2015.
  - Mikhailov, S. F., H. Hao, V. G. Popov, and Y. K. Wu. “Developing an improved pulsed mode operation for Duke storage ring based FEL.” In 6th International Particle Accelerator Conference, Ipac 2015, 1860–62, 2015.
  - Wallace, P. W., M. Emamian, H. Hao, S. F. Mikhailov, V. Popov, Y. K. Wu, and J. Li. “Extending ok5 wiggler operational limit at duke fel/higs facility.” In 6th International Particle Accelerator Conference, Ipac 2015, 1863–65, 2015.
  - Wu, Y. K. “Light source and accelerator physics research program at Duke university.” In 6th International Particle Accelerator Conference, Ipac 2015, 1866–68, 2015.
  - Yan, J., Y. K. Wu, S. Mikhailov, H. Hao, V. Popov, J. Li, J. Wu, N. A. Vinokurov, and S. Huang. “Experimental study of a two-color storage ring FEL ?” In 6th International Particle Accelerator Conference, Ipac 2015, 1198–1200, 2015.
  - MacDowell, A. A., J. Feng, A. Demello, A. Doran, R. Duarte, E. Forest, N. Kelez, et al. “Progress on PEEM3 - An aberration corrected X-ray photoemission electron microscope at the ALS.” In Aip Conference Proceedings, 879:1341–44, 2007. https://doi.org/10.1063/1.2436312.
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  - Feng, J., A. A. MacDowell, R. Duarte, A. Doran, E. Forest, N. Kelez, M. Marcus, et al. “An Aberration Corrected Photoemission Electron Microscope at the Advanced Light Source.” In Aip Conference Proceedings, 705:1070–73, 2004. https://doi.org/10.1063/1.1757983.
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  - Pinayev, I. V., M. Emamian, V. N. Litvinenko, S. H. Park, and Y. Wu. “System for the control and stabilizing of OK-4/Duke FEL optical cavity.” AIP, 1998. https://doi.org/10.1063/1.57040.
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  - Burnham, B., V. N. Litvinenko, J. M. J. Madey, and Y. Wu. “Microbunching in storage ring.” In Micro Bunches Workshop, edited by E. B. Blum, M. Dienes, and J. B. Murphy, 215–24. AIP PRESS, 1996.
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Teaching & Mentoring
Recent Courses
Advising & Mentoring
- From 2001 to 2017:
  - Postdoctoral fellows mentored: Four (4)
  - PhDs graduated: Ten (10) (supervised and co-supervised)
  - Master students graduated: One (1)
  - Undergraduate students mentored: Thirteen (13)
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Advising & Mentoring

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