Publications [#357708] of Michael E. Gehm

Papers Published

1. Tuo, M; Zhang, J; Liang, M; Ng, W-R; Gehm, M; Xin, H, THz photoconductive antenna array based near field imaging, International Conference on Infrared, Millimeter, and Terahertz Waves, IRMMW-THz 2013 (August, 2015), IEEE [doi]
   (last updated on 2024/12/31)

   Abstract:
   In this work, a 2 × 2 photoconductive antenna (PCA) array is used in a THz near field imaging setup as THz emitters while the sample is placed close to the antenna array (the antenna-sample distance is about 10 μm). A microlens array is used to couple and focus femto-second laser pulse onto each antenna. The response of a sample of gold pattern on quartz is measured. A FDTD model combined with HFSS simulation is used to predict the time domain current and near field scanning result. Good agreement between simulation and experiment is obtained.