Author Affiliations

Chun-Nien Liu,¹ Wen-Hsuan Hsieh,² Ying-Chien Tsai,³ Yi-Cheng Hsu,⁴ Che-Hsin Lin,⁵ and Wood-Hi Cheng¹

¹Graduate Institute of Optoelectronic Engineering, National Chung Hsing University, Taichung, 402, Taiwan

²Department of Photonics, National Sun Yat-Sen University, Kaohsiung, 804, Taiwan

³Department of Mechanical Engineering, Cheng-Shiu University, Kaohsiung 833, Taiwan

⁴Department of Biomechatronics Engineering, National Pingtung University of Science and Technology, Pingtung, 912, Taiwan

⁵Department of Mechanical and Electromechanical, National Sun Yat-sen University, Kaohsiung, 804, Taiwan