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Semak, Vladimir V.

Semak, Vladimir V.

Associate Professor of Engineering Science and Mechanics and Senior Research Associate

Office phone: (814) 863-7669
Office address: 259 Applied Research Laboratory
E-mail: vxs21@psu.edu

Educational Background

  • Ph.D., Plasma Physics, Moscow Institute of Physics and Technology (MIsPhyT), 1991
  • M.Sc., Experimental Nuclear Physics, Moscow Institute of Physics and Technology (MIsPhyT), 1984

Years of Service with Penn State (11 years)

  • 2002 – Present Associate Professor, Department of Engineering Science and Mechanics and Senior Research Associate, Electro-Optics Center, PSU
  • 1998 – 2002 Senior Research Associate, Applied Research Laboratory, PSU

Other Related Experience — Teaching, Industrial, Etc.

  • 1997 – 1998 College Assistant Professor, Physics Departmentand, New Mexico State University, NM
  • 1996 – 1997 Research Assistant Professor, Center for Laser Applications, University of Tennessee Space Institute, TN
  • 1996 – 1996 Visiting Professor, Joining & Welding Research Institute, Osaka University, Japan
  • 1992 – 1995 Post Doctoral Fellow, Center for Laser Application, University of Tennessee Space Institute, TN

Recent Principal Publications

  • G. A. Knorovsky and V. V. Semak (2008) “Mechanisms of fusion microwelding,” Chapter 3, in book entitled Microjoining and nanojoining, edited by Y. Zhou. Woodhead Publishing Limited, Abington Hall, Abington, Cambridge, CB1 6AH, England.
  • B. R. Campbell, L. A. Forster, T. M. Lehecka, J. G. Thomas, V. V. Semak, and Dubowski (2008) “Shallow hole drilling with ultrashort pulse lasers,” in proceedings Proceedings of SPIE---Volume 6879 Photon Processing in Microelectronics and Photonics VII, edited by A. S. Holmes, M. Meunier, C. B. Arnold, H. Niino, D. B. Geohegan, F. Trä, and J. J. ger, 68790J Feb. 14.
  • V. V. Semak, J. L. Schiano, and Dubowski (2007) “Effect of amplified spontaneous emission pedestal on femtosecond laser pulse interaction,” in proceedings Proceedings of SPIE---Volume 6458 Photon Processing in Microelectronics and Photonics VI, edited by C. B. Arnold, T. Okada, M. Meunier, A. S. Holmes, D. B. Geohegan, F. Trä, and J. J. ger, 64580O Mar. 13.
  • B. R. Campbell, J. A. Palmer, and V. V. Semak (2007) “Peculiarity of metal drilling with a commercial femtosecond laser,” Applied Surface Science, 253(15), pp. 6334–6338.
  • V. V. Semak and T. F. Miller (2006) “Modeling of laser charring and material removal in fiberglass materials,” Journal of Directed Energy, 2, pp. 5–21.
  • V. V. Semak, B. R. Campbell, and J. G. Thomas (2006) “On the possible effect of pedestal pulse on material removal by ultrahigh intensity laser pulses,” J. Phys. D: Appl. Phys., 39, pp. 3440–3449.
  • V. V. Semak, J. G. Thomas, B. R. Campbell, and Dubowski (2005) “Comparison of drilling rates and material removal dynamics for nanosecond and femtosecond laser pulses,” in proceedings Proceedings of SPIE---Volume 5713 Photon Processing in Microelectronics and Photonics IV, pp. 516–521, edited by J. Fieret, P. R. Herman, T. Okada, C. B. Arnold, F. G. Bachmann, W. Hoving, K. Washio, Y. Lu, D. B. Geohegan, F. Trä, and J. J. ger.
  • V. V. Semak, J. G. Thomas, and B. R. Campbell (2004) “Drilling of steel and HgCdTe with the femtosecond pulses produced by a commercial laser system,” J. Phys. D: Appl. Phys., 37, pp. 2925–2931.
  • V. V. Semak, G. A. Knorovsky, D. O. MacCallum, and R. A. Roach (2003) “Effect of surface tension on melt pool dynamics during laser pulse interaction,” J. Phys. D: Appl. Phys., 39, pp. 590–595.

Consulting, Patents, and Scientific and Professional Society Memberships

  • U.S. Patent 6,813,533, VV Semak. Method for simulation of laser material deposition (2004)

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