Abstract
The spectral position of the stop bands in photonic crystals based on artificial opals filled with an alcohol solution of potassium iodide is investigated. The energy-band structure of samples with quartz globules 230 nm in diameter is modeled based on the dispersion equation. The spectral position of the stop bands in the [111] direction at different solution concentrations is determined. The conditions for forbidden-band “collapse” are established. The possibility of applying artificial opals in optical cavities of lasers of different types is analyzed.
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