The resonances of dielectric sphere shielded by one dimensional photonic crystal
Keywords:dielectric resonator, modes, Q-factor, photonic crystal, infrared wavelength range
The problem of quality factor rising for low permittivity dielectric resonator (DR), most significant in millimeter and infrared wavelength ranges, has been solved. Maxwell equations for multi-layer dielectric structure realizing spherical DR screening by 1-D photonic crystal has been solved. Received data are allowing to assert that lattice forming on the DR surface can adduce to significant increasing of it Q-factor for resonances with large values of radial indexes. It's noting a possibility significant frequency spectrum depression in comparison to other resonance types.
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