Abstract
We have investigated an influence of magnetic materials embedded into opal lattices on transmissivity of three-dimensional magnetophotonic crystals. It was shown that increase of volume fraction of magnetite in the opal lattice leads to a dramatic decrease of transmitted light intensity in the visible region. Opal-dysprosium gallium garnet composites exhibit a broadening and shifting of the (111) photonic band gap with an increase of volume fraction of garnet. We also found considerable changes in the Faraday rotation inside the (111) photonic bandgap of an opal-magnetite magnetophotonic crystal. visible light: they can diffract light selectively in three-dimensional space and split a light beam into several beams. In comparison with known three-dimensional photonic crystals, we consider three-dimensional MPCs as more effective because their photonic properties are sensitive to magnetic and electric fields and they have the potential for use in a variety of optoelectronic devices.
