Aripin Aripin
Department of Physics, Faculty of Mathematics and Natural Science-University of Haluoleo Jl. H.E. Mokodompit No. 1 Kendari 93232 Indonesia
Indonesia

S. Tani
Research Center for Development of Far Infrared Region, University of Fukui Bunkyo 3-9-1 Fukui 910-8507, Japan
Japan

S. Mitsudo
Research Center for Development of Far Infrared Region, University of Fukui Bunkyo 3-9-1 Fukui 910-8507, Japan
Japan

T. Saito
Research Center for Development of Far Infrared Region, University of Fukui Bunkyo 3-9-1 Fukui 910-8507, Japan
Japan

T. Idehara
Research Center for Development of Far Infrared Region, University of Fukui Bunkyo 3-9-1 Fukui 910-8507, Japan
Japan