Grating Structure Broadband Absorber Based on Gallium Arsenide and Titanium. - Zhang, Cai; Chen, Yongheng; Yang, Hua; Wang, Shifa; Qin, Feng; Liu, Li; Yi, Zao; Zhang, Jianguo; Liu, Chao; Wu, Pinghui (Coatings (2079-6412), 2022)