1. KONICA MINOLTA Inc., 2970 Ishikawa, Hachioji, Tokyo 192-8505
2. Department of Applied Physics, Graduate School of Pure and Applied Sciences, University of Tsukuba, 1-1-1 Tennodai, Tsukuba, Ibaraki 305-8573
3. Institut de Recherche XLIM, UMR CNRS No. 7252, 123 Avenue Albert Thomas, 87060 Limoges CEDEX, France
4. Institute of Applied Physics, University of Tsukuba, 1-1-1 Tennodai, Tsukuba, Ibaraki 305-8573
5. Tsukuba Research Center for Interdisciplinary Materials Science (TIMS), 1-1-1 Tennodai, Tsukuba, Ibaraki 305-8573