Abstract
Transfer matrix method is used to discuss the effect inhibition of photonic crystals on atmospheric window emission (8–14 μm). According to the optical characteristics of the materials, germanium and zinc sulfide are used as the composing materials. The structure of the photonic crystals is optimized, and the optimal thickness values of the germanium and zinc sulfide are 0.63 and 1.11 μm respectively while the ratio of optical thickness is 1:1 and the period is 8. The photonic crystals are prepared by evaporation coating method, and the optical properties of the photonic crystals are measured, the inhibition of the photonic crystals to atmospheric window emission is verified.
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