*Yu-Hsuan Chuang1,2, Ying-Ju Tsai2,3, Yu-Zi Lin2, J. Andrew Yeh1, Yuan Luo2,4(1. Department of Power Mechanical Engineering, National Tsing Hua University, 2. Institute of Medical Device and Imaging, National Taiwan University, 3. Department of Electrical Engineering, National Taiwan University, 4. Molecular Imaging Center, National Taiwan University)