Thesis: Theoretical analysis of the flow past a single sphere moving in a micro-tube National Taiwan University, Taipei, Taiwan

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1 Sy-Bor Wen, Ph. D. Assistant Professor, Department of Mechanical Engineering TAMU 3123, Texas A&M University College Station, TX (979) ; Education: University of California at Berkeley, CA Ph.D. in Mechanical Engineering Dissertation: Experimental and theoretical study of laser ablation processes including vapor plume expansion, cooling, and condensation with an ambient gas National Taiwan University, Taipei, Taiwan M.S. in Mechanical Engineering Thesis: Theoretical analysis of the flow past a single sphere moving in a micro-tube National Taiwan University, Taipei, Taiwan B.S. in Mechanical Engineering Research Interest: 1. Micro/Nano scales near and far field laser detection and processing 2. Laser based micro/nano scale chemical analysis 3. Nanomaterial synthesis with single/multiple pulsed laser ablation 4. Experimental/ theoretical study of near field radiation and applications in energy harvest 5. Coarse-grained molecular dynamics simulation and mesoscale explosive boiling 6. Micro/Nanoscale conductive and radiative energy transport and conversion 7. Fast macro to micro scales 2D thermal imaging 8. Design and fabrication of nano-optical devices and the application in direct nano fabrication 9. Long distance femtosecond laser plasma filamentation and the application in remote sensing Research Experience: 2007-present TEXAS A&M UNIVERSITY, College Station, TX Assistant Professor Lawrence Berkeley National Laboratory, CA Postdoctoral Fellow in Environmental Energy Technologies Division Studying nanoscale laser ablation, patterning and their applications in chemical analysis Lawrence Berkeley National Laboratory, CA Graduate Student Researcher in Environmental Energy Technologies Division Studying dynamic behaviors of laser induced plasma and nanoparticle generation process with laser ablation 1

2 Teaching Experience: National Taiwan University, Taipei, Taiwan Teaching Assistant at Department of Mechanical Engineering Courses participated: Engineering statistics, thermodynamics, heat transfer, mechanical design, mechanical material science and mechanical experiments Society Memberships: American Society of Mechanical Engineering (ASME) Honors and Awards: Experimental and theoretical study of optical and thermal energy transport in nano-optical devices, NSF CAREER, Sy-Bor Wen, May 1, 2009 to April 30, Control the interactions of following laser pulses with existing laser plasma filaments to better guide and focus laser energy for remote sensing and remote chemical analysis, LBNL, Sy-Bor Wen, March 19, 2012 to March 31, 2012, $82, (to be renewed every half year). Archival Journal Publications: 1) Jo, Y. K*, Wen, S. B., Formation of core shell micro/nano particles through pulsed-laser deposition in liquid, Journal of Physics D: Applied Physics 46, (2013). 2) Sundaram, V. M*, Wen, S. B., Fabrication of micro-optical devices at the end of a multimode optical fiber with negative tone lift-off e-beam lithography, Journal of Micromechanics and Microengineering 22, (2012). 3) Wen, S. B, Chen, Chien-Fen*, Mao, Xianglei, Russo, R. E., Guiding and focusing of a nanosecond infrared laser within transient hollow plasma femtosecond filament channels, J. Phys. D: Appl. Phys , ) Soni A.*, Wen, S. B. Nonintrusive temperature measurement of NSOM probes with thermoreflectance imaging, J. Phys. D: Appl. Phys , ) Jo, Y. K.*, Wen, S. B. Direct generation of core/shell nanoparticles from double pulse laser ablation in a background gas, J. Phys. D: Appl. Phys , ) Sundaram, V. M*, Wen, S. B. An easy method to perform e-beam negative tone lift-off fabrication on dielectric material with a sandwiched conducting polymer layer, J. Micromech. Microeng , ) Wen, S. B. Numerical Analysis of optical and thermal energy transport from a NSOM probe to a pure silicon target under intense ns pulsed light, J. Phys. D: Appl. Phys ,

3 8) Wen, S. B., Direct numerical simulation of near field thermal radiation based on Wiener chaos expansion of thermal fluctuating current, Journal of Heat Transfer, 132, , ) Soni, A*, Sundaram, V. M.*, Wen, S. B., Generation of nano-patterns on a pure silicon wafer in air and argon with sub-diffraction limit nanosecond laser pulses, Journal of Physic D, Applied physics, 43, , ) Sundaram, V. M*, Soni, A*., Russo, R. E., Wen, S. B., Analysis of nano-patterning through near field effects with femtosecond and nanosecond lasers on semiconducting and metallic targets, Journal of Applied Physics, 107, , 2010 (selected in May 2010 issue of Virtual Journal of Ultrafast Science) 11) Wen, S. B., Greif, R., Combined wave based optical analysis and particle based thermal analysis of nanoscale ultrafast target heating of silicon utilizing a near field scanning optical probe and a femtosecond laser, Journal of Physics D, Applied Physics,075502, ) Wen, S. B., Mao, X. L., Greif, R., and Russo, R. E., Background gas effects on the generation of nanopatterns on a pure silicon wafer with multiple femtosecond near field laser ablation, Applied Physics Letters (91), , ) Wen, S. B., Mao, X. L., Greif, R., and Russo, R. E., Experimental and theoretical studies of particle generation after laser ablation of copper with a background gas at atmospheric pressure, J. Appl. Phys., 101, , ) Gonzalez J., Liu C., Wen S., Mao X., and Russo R.E. Glass particles produced by laser ablation for ICP-MS measurements. Talanta, ) Gonzalez J., Liu C., Wen S., Mao X., and Russo R.E. Metal particles produced by laser ablation for ICP-MS measurements. Talanta, ) Mao, X. L., Wen, S. B., and Russo, R. E., Time resolved laser-induced plasma dynamics, Appl. Surf. Sci., 253(15), 6316, ) Wen, S. B., Mao, X. L., Greif, R., and Russo, R. E., Analysis of laser ablation: contribution of ionization energy to the plasma and shockwave properties, J. Appl. Phys., 102, , ) Wen, S. B., Mao, X. L., Greif, R., and Russo, R. E., Expansion of the laser ablation vapor plume in to a background gas: Part I: Analysis, J. Appl. Phys., 101, , ) Wen, S. B., Mao, X. L., Greif, R., and Russo, R. E., Laser ablation induced vapor plume expansion into a background gas. II. Experimental analysis, J. Appl. Phys., 101, , ) Wen, S. B., Mao, X. L., Liu, C., Greif, R., and Russo, R. E., Expansion and radiative cooling of the laser induced plasma, conference paper, Jourmal of Physics: Conference Series 59, 343, ) Wen, S. B., Mao, X. L., Greif, R., and Russo, R. E., Radiative cooling of laser ablated vapor plumes: experimental and theoretical analysis, J. Appl. Phys., 100, ,

4 22) Zeng, X.Z., Mao, X.L., Mao, S.S., Wen,S.B., Greif, R., and Russo, R.E., Laser-induced shockwave propagation from ablation in a cavity, Appl. Phys. Lett., 88, , ) Mao, X.L., Zeng, X.Z., Wen, S.B., and Russo, R.E., Time-resolved plasma properties for double pulsed laser-induced breakdown spectroscopy of silicon, Spectrochim. Acta, Part B, 60, , ) Wen, S.B., Mao, X.L., and Russo, R.E., Comment on "three-dimensional analysis of laser induced plasmas in single and double pulse configuration," Spectrochim. Acta, Part B, 60, , ) Zeng, X.Z., Mao, X.L., Wen, S.B., Greif, R., and Russo, R.E., Energy deposition and shock wave propagation during pulsed laser ablation in fused silica cavities, J. Phys. D: Appl. Phys., 37, , ) Wen, S.B. and Lai, C.L., Theoretical analysis of flow passing a single sphere moving in a micro-tube, Proc. R. Soc. London, Ser. A, 459, , 2003 National/International Presentations: November 2012 Laser induced nano-droplet ejection for the construction of nano-inkjet, 2012, ASME International Mechanical Engineering Congress & Exposition, Houston, TX October 2012 November 2011 October 2011 November 2010 July 2009 September 2008 August 2008 June 2006 Guiding and focusing of nanosecond laser pulse with transient hollow plasma channels, 4 th international symposium on filamentation, Tucson, Arizona Laser induced nano-droplet ejection, 2011, ASME International Mechanical Engineering Congress & Exposition, Denver, CO (paper accepted, presentation missed) Experimental and theoretical study of nanoscale laser ablation with near field effects and its applications, invited presentation at Federation of Analytical Chemistry and Spectroscopy Societies (FACSS), Reno NV Characteristics of nano-patterning with plasmonic zone plates, 2010, ASME International Mechanical Engineering Congress & Exposition, Vancouver, British Columnar, Canada (paper accepted, presentation missed) Characteristics of nanopattens and the associated thermal mechanisms during near field laser-material interaction of nanosecond laser on different targets, 2009 ASME Summer Heat Transfer Conference, San Francisco CA Experimental and theoretical studies of the dynamics of laser induced plasma and the associated particle generation process, invited presentation at Federation of Analytical Chemistry and Spectroscopy Societies (FACSS), Reno NV Experimental and theoretical analysis of nanoscale crater generation with a near field scanning optical tip, 2008 ASME summer heat transfer conference at Jacksonville, Fl. Experimental and theoretical study of laser ablation processes including vapor plume expansion, cooling, and condensation with an ambient gas, 4

5 September 2005 Invited presentation at the Symposium on Numerical modeling of the interactions of laser pulses with a solid and with plasma at the University of Antwerp in Belgium. Expansion and radiative cooling of the laser induced plasma, paper presented at the International Conference of Laser Ablation (COLA 05) in Banff, Canada Synergistic Activities: Participated in Course Development Enhancement Program at TAMU ( ) Participated in One Week Program for teaching and research enhancement at TAMU (January 2008) Revised the curriculum of graduate level heat transfer course at TAMU with the enhancement in the material of thermal radiation (Spring 2008) Advised the establishment of thermal radiation based temperature measurement for undergraduate heat transfer laboratory at TAMU (Summer 2008) One month collaborating graduate student research with Dr. Richard E. Russo at Lawrence Berkeley National Laboratory on nanoscale laser ablation with near field scanning optical microscope probes (Summer 2008,2011) Visiting scholar of EETD division of Lawrence Berkeley National laboratory (summer 2008, 2009, 2010, 2011, 2012) Advised six high school teachers for Enrichment Experiences in Engineering (E3) program at TAMU focusing on nanoscale optical-thermal energy transport (Summer ) Advising undergraduate and graduate students at TAMU focusing on fundamental studies of energy transport in near field nano-optical devices. This research is supported by NSF CAREER award ( ) Invited presentations in FACSS for nanoscale energy transport and near field laser ablation (2009,2011) Organizing sessions of heat transfer during material processing in ASME summer (SHT 2008,2009) and winter (IMECE) conferences ( ) Presentation of large scale parallel simulation of mesoscle fluid dynamics with dissipative particle dynamics in TAMU supercomputer center (spring 2012) Graduate Advisor: Ralph Greif, Mechanical Engineering, University of California at Berkeley, Berkeley, CA Postdoctoral Sponsor: Richard E. Russo, Environmental Energy Technology, Lawrence Berkeley National Laboratory, Berkeley, CA 5

6 Students: Matthew M. Godfrey M.E. (2008 graduated) Mechanical Engineering, Texas A&M Zhen Ning Yu M.E. (2009 graduated) Mechanical Engineering, Texas A&M Vijay M. Sundaram M.S. (2010 graduated) Mechanical Engineering, Texas A&M Vijay M. Sundaram Ph.D. (2013 expected) Mechanical Engineering, Texas A&M Young Kyong Jo Ph. D. (2012 graduated) Mechanical Engineering, Texas A&M Alok Soni Ph. D. (2013 expected) Mechanical Engineering, Texas A&M Yu Yang Ph. D. (2014 expected) Mechanical Engineering, Texas A&M Chien-Fan Chen Ph. D. (2014 expected) Mechanical Engineering, Texas A&M 6