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Letian Wang
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RESEARCH                                                                              

Graduate:
  • Phase change silicon for optical memory and active photonics(submitted)
    • Nanosecond resolved probing of single nano disk phase transformation dynamics 
    • Applications in optical memory and active metasurfaces
  • Micron scale thermometer for probing ultrafast laser induced temperature
    • A micron scale Pt temperature thermometer on transparent substrate (submitted)
    • Nanosecond resolved ultrafast probing with micron scale Pt sensor(submitted)
    • ps laser induced temperature field probing (in preparation)
  • Laser based fabrication of nanoscale resonator and photonics metasurfaces
    • Laser induced sub-wavelength ordering of single silicon nano resonators[Nanoscale]
    • Optical modulated assembly and phase-switching of silicon nanoparticle of nanoparticle array[ACS Nano]
    • ​Laser direct writing of photonics metasurfaces on VO2[Advanced Materials]
  • Laser Shaping of 3D nano-printed polymer structure (​in progress)
    • ​Both in-plane and z-dependent laser irradiation can arbitrary shape the polymer structure and induced enhanced mechanical properties
  • Direct templating of semiconductor nanocrystals through laser melting [Detail]
    • Pulse duration and size dependency of the crystallization of silicon nano dots (in preparation)
  • In-situ and ex-situ characterization of laser interaction of Ag and Cu films[1. APL, 2. submitted to APL]

Undergraduate:
  • Network Analysis and Graph Theories
    • Academic Scholar and Research Paper Network Analysis -US ICM Contest- Finalist (0.1%) [Detail]​
    • Startup Affiliation Network in United States- Economics Minor Degree Paper
  • Flow Distribution Effect on Porous Media Thermocline Thermal Storage[Detail]
    • CFD simulator Fluence +User Defined C code
    • First authored a full-article in Applied Energy.
  • Thermal conductance of  CNT bundles[Detail]
    • Thermal Conductor Network, Matlab Sparse Matrix Solution
    • Outstanding degree paper in Tsinghua University.
  • Effective Medium Approximation Modeling for Impedance of Micro-channel Two-phase Flow - Summer Intern [Detail]


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