(a)

(b)

(c)

(d)

Figure 24: Angular dependence of diffraction efficiency for a transmission H-PDLC grating. Key parameters: (external), , = 10 μm, = 633 nm, = 0.020, (a) = 0.015, (b) = 0.025, (c) = 0.040, and (d) = 0.050.