1. Department of Materials Processing, Tohoku University, 6-6-02 Aoba, Aramaki-aza, Aoba-ku, Sendai, Miyagi 980-8579, Japan
2. Ball Wave Inc., Tohoku University Business Incubator T-Biz 501, 6-6-40 Aoba, Aramaki-aza, Aoba-ku, Sendai, Miyagi 980-8579, Japan
3. Institute of Fluid Science, Tohoku University, 2-1-1 Katahira, Aoba-ku, Sendai, Miyagi 980-8577, Japan