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Laser-based Micromachining  

  • Cao, Y. and Shin, Y.C., “Etching of Long Fiber Polymeric Composite Materials by Nanosecond Laser Induced Water Breakdown Plasma” Applied Surface Science, in press.  http://dx.doi.org/10.1016/j.apsusc.2012.11.061
  • Hu, W., Shin, Y.C. and King, G.B., “Characteristics of Plume Plasma and Its Effects on Ablation Depth during Ultrashort Laser Ablation of Copper in Air”, Journal of Physics D: Applied Physics, 45, 355204, 2012. doi:10.1088/0022-3727/45/35/355204
  • Hu, W., Shin, Y.C. and King, G.B., “Investigation of Early Plasma Evolution Induced by Ultrashort Laser Pulses”, Journal of Visual Experiments, (65), e4033, DOI: 10.3791/4033 (2012).
  • Zhao, X. and Shin, Y.C., “A Two-dimensional Comprehensive Hydrodynamic Model for Femtosecond Laser Pulse Interaction with Metals”, Journal of Physics D: Applied Physics, 45 105201, 2012.  doi:10.1088/0022-3727/45/10/105201
  • Hu, W., Shin, Y.C. and King, G.B., “Effect of Air Breakdown with a Focusing Lens on Ultrashort Laser Ablation”, Applied Physics Letter, 99, 234104 (2011).  doi:10.1063/1.3665631.
  • Hu, W., Shin, Y.C. and King, G.B., “Early-state Plasma Dynamics with Air Ionization during Ultrashort Laser Ablation of Metal”, Physics of Plasmas, 18, 093302 (2011). doi:10.1063/1.3633067.
  • Zhao, X. and Shin, Y.C., “Femtosecond Laser Drilling of High Aspect Ratio Microchannels in Glass”, Applied Physics A, Volume 104, Number 2, 713-719, 2011. DOI: 10.1007/s00339-011-6326-z
  • Hu, W., Shin, Y.C. and King, G.B., “Energy Transport Analysis in Ultra-Short Pulse Laser Ablation through Combined Molecular Dynamics and Monte Carlo Simulation”, Physical Review B, 82, 094111, 2010. doi:10.1103/PhysRevB.82.094111.
  • Shelton, J.A. and Shin, Y.C., “Laser-Assisted Micro-Milling of Difficult-to-machine Materials in a Side Cutting Configuration”, Journal of Micromechanics and Microengineering, Vol. 20, 075012, 2010. doi: 10.1088/0960-1317/20/7/075012
  • Shelton, J.A. and Shin, Y.C., “Experimental Evaluation of Laser-Assisted Micro-Milling in a Slotting Configuration”, Trans. of the ASME, J. of Manuf. Science and Engineering, Volume 132, Issue 2, 021008, April 2010. http://dx.doi.org/10.1115/1.4001142
  • Hu, W., Shin, Y.C. and King, G.B., “Micromachining of Metals, Alloys and Ceramics by Picosecond Laser Ablation”, J. of Manuf. Science and Engineering, Trans. of the ASME, Volume 132, Issue 1, 011009, February 2010. doi:10.1115/1.4000836.
  • Hu, W., Shin, Y.C. and King, G.B., “Multi-burst Mode Pico-Second Laser Ablation for Improved Material Removal Rate”, Applied Physics, A, Volume 98, Number 2, Pages 407-415, February, 2010.  DOI: 10.1007/s00339-009-5405-x.
  • Wu, B. and Shin, Y.C., “A Simplified Model for High Fluence Ultra-short Pulsed Laser Ablation of Semiconductors and Dielectrics”, Applied Surface Science, Volume 255, Issue 9, 4996-5002, February 2009.  doi:10.1016/j.apsusc.2008.12.051 
  • Wu, B., Shin, Y.C., Pakhal, H., Laurendeau, N.M. and Lucht, R.P., “Modeling of the Plasma Induced by High-Power Nanosecond Laser-Metal Interactions in Air and Its Experimental Verification” Physical Review E, 76, 026405, 2007.
  • Wu, B., and Shin, Y.C., "A Simple Model for High Fluence Ultra-short Pulsed Laser Metal Ablation”, Applied Surface Science, 253, pp. 4079–4084, 2007.
  • Wu, B., and Shin, Y.C., "A Simple Two-Stage Model for the Formation and Expansion of the Plasma Induced by High Intensity Laser Metal Ablation in Vacuum”, Physics Letters A, 371, pp. 128–134, 2007.
  • Wu, B., and Shin, Y.C., "Absorption Coefficient of Aluminum near the Critical Temperature and the Consequences on High Power Nanosecond Laser Ablation”, Applied Physics Letters, 89, 111902, 2006.
  • Wu, B. and Shin, Y.C., “Modeling of Nanosecond Laser Ablation with Vapor Plasma Formation”, Journal of Applied Physics, 99, 084310, 2006.
  • Chowdhury, I.H., Xu, X., and Weiner, A.M., 2005, "Ultrafast Double Pulse Ablation of Fused Silica," Appl. Phys. Lett., Vol. 86, pp. 151110-1-3. Also selected for publication at the May 2005 issue of Virtual Journal of Ultrafast Science.
  • Wu, A.Q., Chowdhury, I.H., and Xu, X, 2005, "Femtosecond laser absorption in fused silica," Phys. Rev. B. Vol. 72, pp. 0851281-7, also accepted for publication in the September 2005 issue of Virtual Journal of Ultrafast Science.
  • Cheng, C. and Xu, X., 2005, "Material Decomposition near Critical Temperature during Femtosecond Laser Ablation," Phys. Rev. B., Vol. 72, pp. 165415-1-15. Also selected for publication in the November 2005 issue of Virtual Journal of Ultrafast Science.
  • Chowdhury, I.H., Wu, A.Q., Weiner, A.M., and Xu, X., 2005, "Ultrafast Laser Absorption and Ablation Dynamics in Wide Band-gap Dielectrics," Appl. Phys. A., Vol. 81, pp. 1627 - 1632.
  • Kim, J., Berberoglu, H., and Xu, X., 2004, "Fabrication of Micro-structures in Photoetchable Glass-Ceramics using Excimer Laser and Femtosecond Laser," Journal of Microlithography, Microfabrication, and Microsystems, Vol. 3, pp. 478 - 485.
  • Cheng, C. and Xu, X., 2004, "Molecular Dynamic Simulation of Explosive Phase Change Induced by a Femtosecond Laser Pulse," Appl. Phys. A., Vol. 79, pp. 761 - 765.
  • Zhang, X.R., Xu, X., and Rubenchik, A.M., 2004, "Simulation of Microscale Densification during Femtosecond Laser Processing of Dielectric Materials," Appl. Phys. A., Vol. 79, pp. 945 - 948.
  • Xu, X., Cheng, C., and Chowdhury, I.H., 2004, "Molecular Dynamics Study of Phase Change Mechanisms during Femtosecond Laser Ablation," J. Heat Transfer, Vol. 126, pp. 727 - 734.
  • Chowdhury, H.I., and Xu, X., 2003, "Numerical Simulation of Ultrafast Laser Ablation of Metal," Num. Heat Transfer A, Vol. 44, pp. 219 - 232.
  • X. Wang, and Xu, X., 2003, "Nanoparticles Formed in Picosecond Laser Argon Crystal Interaction," Journal of Heat Transfer, Vol. 125, pp. 1147-1155.
  • Wang, X. and Xu, X., 2002, "Thermoelastic Wave in Metal Induced by Ultrafast Laser Pulses," J. Thermal Stress, Vol. 25, pp. 457 - 473.
  • Wang, X. and Xu, X., 2002, "Molecular Dynamics Simulation of Heat Transfer and Phase Change during Laser Materials Interaction," J. Heat Transfer, Vol. 124, Special Issue: Micro/Nanoscale Heat Transfer, pp. 265 - 274.
  • Xu, X., and Willis, D.A., 2002, "Non-equilibrium Phase Change in Metal Induced by Nanosecond Pulsed Laser Irradiation," J. Heat Transfer, Vol. 124, Special Issue: Micro/Nanoscale Heat Transfer, pp. 293 - 298.
  • Willis, D.A., and Xu, X., 2002, "Heat Transfer and Phase Change in Picosecond Laser Ablation of Nickel," Int. J. Heat Mass Transfer, Vol. 45, pp. 3911 - 3918.
  • Xu, X., 2002, "Phase Explosion and Its Time Lag in Nanosecond Laser Ablation," Appl. Surf. Sci., Vol. 197 - 198, pp. 61 - 66.
  • Willis, D.A., and Xu, X., 2002, "In-Situ Photography Study of Pico-second Laser Ablation," Appl. Surf. Sci. , Vol. 197 - 198, pp. 118 - 123.
  • Wang, X. and Xu, X., 2002, "Molecular Dynamics Simulation of Thermal and Thermomechanical Phenomena in Picosecond Laser Material Interaction," Int. J. Heat Mass Transfer, Vol. 46, pp. 45 - 53.
  • Wang, X., Hu, H., Xu, X., 2001, “Photo-Acoustic Measurement of Thermal Conductivity of Thin films and Bulk Materials,” J. Heat Transfer, Vol. 123, pp. 138 - 144.
  • Wang, X., and Xu, X., 2001,"Thermoelastic Waves Induced by Pulsed Laser Heating," Appl. Phys. A., Vol. 73, pp. 107 – 114.
  • Xu, X., and Song, K.H., 2000, “Phase Change Phenomena during High Power Laser-Materials Interaction,” Materials Science & Engineering A., Vol. 292, pp. 162 - 168.
  • Willis, D.A. and Xu, X., 2000, “Transport Phenomena and Droplet Formation during Pulsed Laser Interaction with Thin Films,” J. Heat Transfer, Vol. 122, pp. 763 - 770.