Fig. 1. Schematics of three-dimensional simulation models and their parameter setting. (a) Three-dimensional model of PSMS; (b) three-dimensional model of CSMS; (c) three-dimensional model of BSMS; (d) parameters setting of unit cell; (e) stretch; (f) excision; (g) unit cell of BSMS; (h) top view of BSMS cell

Fig. 2. Average reflectance contour plot of PSMS

Fig. 3. Reflectance contour plots of different moth-eye structures when S is fixed at 200 nm. (a) PSMS; (b) CSMS; (c) BSMS

Fig. 4. Reflectance curves of different moth-eye structures. (a) L=400 nm; (b) L=500 nm; (c) L=600 nm; (d) L=700 nm; (e) L=800 nm; (f) curves of average reflectance for L ranging from 300 nm to 1000 nm

Fig. 5. Effective refractive index curves of different moth-eye structures

Fig. 6. Electrical field intensity distributions of four structures on Y=0. (a) Slab; (b) PSMS; (c) BSMS; (d) CSMS