Novel NaI improved Ge–Ga–Te far-infrared chalcogenide glasses. - Cheng, Ci; Wang, Xunsi; Xu, Tiefeng; Sun, Lihong; Zhu, Qingde; Pan, Zhanghao; Nie, Qiuhua; Zhang, Peiqing; Wu, Yuehao; Dai, Shixun; Shen, Xiang; Zhang, Xianghua (Infrared Physics & Technology, 2015)