1. Institute of Lighting and Energy Photonics, National Chiao Tung University, Tainan 71150, Taiwan
2. Department of Electrical Engineering, Yuan Ze University, Taoyuan 32003, Taiwan
3. Department of Applied Chemistry, Providence University, Taichung 43301, Taiwan
4. Department of Information Science and Technology, Vanung University, Taoyuan 32061, Taiwan
5. Department of Aeronautical and Opto-Mechatronic Engineering, Vanung University, Taoyuan 32061, Taiwan