Thermal emission properties of one-dimensional grating with different parameters
Lin Weixin1, Li Guozhou1, Li Qiang2, Hu Hongjin1, Han Fang1, Zhang Fanwei1, Wu Lijun1, †
       

(color online) Schematic of the simulated 1D tungsten grating. The geometry of the grating is defined by its period (a), width of the ridge (w), and groove depth (h).