BAND-GAP STRUCTURE ANALYSIS OF PHOTONIC CRYSTAL WITH MULTIPLE OPTICAL LAYERS LENGTHS FOR TERAHERTZ FREQUENCY RANGE
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The article deals with formulas deduced for the infinite photonic crystal for exact definition of band-gap boundaries and width, center and edges of photonic crystal stopband with multiple optical layers lengths in twolayer cell in the frequency range from 0.1 to 1 THz. The formulas were tested by numerical simulation of photonic crystals using the transmission matrix method and method of finite-difference time-domain for the first, second and third multiplicity of optical layers lengths in two-layer cell of the photonic crystal. The formulas for the second multiplicity were experimentally confirmed.
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