Affiliation: | 1.Faculty of Technology, Structures and Construction Technology, University of Oulu, P.O. Box 7300, FI-90014, Oulu, Finland ;2.Public Works Research Institute, 1-6 Minamihara, Tsukuba, Ibaraki, 300-2621, Japan ;3.Unit of Measurement Technology (MITY), University of Oulu, Technology Park 127, FI-87400, Kajaani, Finland ;4.Center for Integrated Research and Innovation (CIRNOV), University of Ahmad Dahlan, Jalan Cendana No 9A, Semaki, Yogyakarta, 55166, Indonesia ;5.National Institute of Advanced Industrial Science and Technology/Geological Survey of Japan (AIST/GSJ) Central 7, 1-1-Higashi, Tsukuba, Ibaraki, 305-8567, Japan ;6.National Institute of Advanced Industrial Science and Technology (AIST), AIST Tsukuba East, 1-2-1 Namiki, Tsukuba, Ibaraki, 305-8564, Japan ;7.Optical Informatio Processing and Systems Engineering Division, The Graduate School for the Creation of New Photonics Industries, 1955-1, Kurematsucho, Nishi-ku, Hamamatsu, Shizuoka, 431-1202, Japan ;8.Department of Optical Engineering/Center for Optical Research and Education (CORE), Utsunomiya University, 7-1-2, Yoto, Utsunomiya, Tochigi, 321-8585, Japan ; |