Quoc-Hung Phan is an Assistant Professor at the National United University. He received his B.S. degree in Mechanical Engineering from the HCM University of Technology, Vietnam in 2004, and his M.S. degree at the Department of Mechanical Engineering at Southern Taiwan University, Tainan, Taiwan, R.O.C. In 2016, he received his doctor’s degree at the Department of Mechanical Engineering, National Cheng Kung University. His research interests include optical biosensors, polarimetry, and noninvasive glucose monitoring devices.