684349.fig.026a
(a)
684349.fig.026b
(b)
684349.fig.026c
(c)
684349.fig.026d
(d)
Figure 26: Angular dependence of diffraction efficiency for a transmission H-PDLC grating, illustrating angular bandwidth for various and . Key parameters: (external), , = 633 nm, = 0.020, (a) = 20 μm, = 0.026, (b) =16 μm, = 0.034, (c) = 10 μm, = 0.052, and (d) = 6 μm, = 0.088.