Optical lattice transformation from 2D to 3D by holographic interference
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Abstract:
The optical lattice transformation from 2 dimensions (2D) to 3 dimensions (3D) by holographic interference is studied. The 2D optical lattices can be formed by 3 noncoplanar beams, and in this paper by adding another three beams, a 3D interference lattice structure is obtained. The added beams and the original ones are mirror symmetry (by using a reflective mirror). The simulation results show that the lattices become ellipsoids from 2D columns, which are periodic in the z direction. The calculations and numerical simulations provide a useful theoretical guide for fabricating 3D photonic crystals (PCs).
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