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The Bragg diffraction in synthetic opal as a 3D photonic crystals has been analyzed using the weak disorder model in various approximations. For a one-domain crystal, the photonic bandgap is… Click to show full abstract
The Bragg diffraction in synthetic opal as a 3D photonic crystals has been analyzed using the weak disorder model in various approximations. For a one-domain crystal, the photonic bandgap is calculated in the regime of reflection along the 〈111〉 axis. In the multidomain case, a considerable expansion of the photonic bandgap, the emergence of asymmetry, and the photon band shift to the short-wavelength region are demonstrated. The results are compared with experimental dependences.
Keywords:
bandgap;
synthetic opal;
opal photonic;
crystal photonic;
photonic bandgap
Journal Title: Journal of Experimental and Theoretical Physics
Year Published: 2018
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Journal Title: Journal of Experimental and Theoretical Physics
Year Published: 2018
Link to full text (if available)
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recommendations!