this research about defect mode of mirror symmetry of slowly varying quasi-periodic one-dimensional photonic crystal shows that: with the periodicity increases of the mirror symmetry slowly varying quasi-periodic one-dimensional photonic crystal
the width of photonic band gap broadening by degrees. After the introduction of defect
the defect mode appears; and along with the increase of defect layers thicknesses and its medium refractive index
the wavelength of this defect mode moves to the long-wave direction.
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