1. Department of Engineering Science, Graduate School of Informatics and Engineering, The University of Electro-Communications, Chofu, Tokyo 182-8585, Japan
2. Department of Organic and Polymeric Materials, School of Materials and Chemical Technology, Tokyo Institute of Technology, Ookayama, Meguro-ku, Tokyo 152-8550, Japan
3. National Metrology Institute of Japan, AIST, Tsukuba, Ibaraki 305-8563, Japan
4. Daikyo Nishikawa Corporation, Higashi Hiroshima, Hiroshima 739-0049, Japan
5. Department of Chemistry, Tokyo Institute of Technology, 2-12-1 Ookayama, Meguro-ku, Tokyo 152-8551, Japan