1. University of Shiga Prefecture, Department of Electronic Systems Engineering, School of Engineering, Hikone, Shiga, JapanbUniversity of Shiga Prefecture, Center for Glass Science and Technology, School of Engineering, Hikone, Shiga, Japan
2. University of Shiga Prefecture, Department of Electronic Systems Engineering, School of Engineering, Hikone, Shiga, Japan
3. University of Shiga Prefecture, Department of Materials Science, School of Engineering, Hikone, Shiga, Japan