Dual-Wavelength Digital Holography Based on Phase-Division Multiplexing Using Four Wavelength-Multiplexed Phase-Shifted Holograms and Zeroth-Order Diffraction-Image Suppression. - Tatsuki Tahara; Reo Otani; Yasuhiko Arai; Yasuhiro Takaki (Int. J. Autom. Technol., 2017)