Holographic Polymer-Dispersed Liquid Crystals: Materials, Formation, and Applications

Figure 26

Angular dependence of diffraction efficiency for a transmission H-PDLC grating, illustrating angular bandwidth for various 𝐿 and 𝑛₁. Key parameters: 𝜃_𝑏=𝜋/6 (external), 𝜑=𝜋/2, 𝜆₀ = 633 nm, 𝑎 = 0.020, (a) 𝐿 = 20 μm, 𝑛₁ = 0.026, (b) 𝐿 =16 μm, 𝑛₁ = 0.034, (c) 𝐿 = 10 μm, 𝑛₁ = 0.052, and (d) 𝐿 = 6 μm, 𝑛₁ = 0.088.

(a)

(b)

(c)

(d)