1. NBT Project, Matsushita Electric Works Ltd., Kadoma, Osaka 571-8686, Japan (K.M., M.Tsurugi); Research Institute for Electronic Science, Hokkaido University, Sapporo 060-0812, Japan (M. Tamura); Department of Chemistry and Research Center for Near-Infrared Spectroscopy, School of Science and Technology, Kwansei-Gakuin University, Sanda 669-1337, Japan (Y.O.)