High efficiency terahertz diffraction grating with trapezoidal elements*

Project supported by the National Key Research and Development Program of China (Grant No. 2017YFB05033) and the National Science Instruments Major Project of China (Grant No. 2012YQ130125).

Wu Yin-Zhong1, 2, Fan Quan-Pin2, Zhang Qiang-Qiang2, Wei Lai1, 2, Chen Yong2, Yang Zu-Hua2, †, Cao Lei-Feng1, 2
       

(color online) The simulated far-filed diffraction patterns at 10 THz.