1. Characterization Technology Group, Matsushita Technoresearch, Inc., 3-1-1 Yagumo-Nakamachi, Moriguchi, Osaka 570-8501, Japan, AV Core Technology Development Center, Matsushita Electric Industrial Co., Ltd., Osaka, Japan, CREST-JST, Faculty of Liberal Arts and Sciences, Osaka Prefecture University, Osaka, Japan, Graduate School of Science, Osaka Prefecture University, Osaka, Japan, Graduate School of Science, Osaka University, Osaka, Japan, and Japan Synchrotron Radiation Research Institute, Hyogo, Japan