Abstract
Two holographic lithography systems are demonstrated for easy and large-area fabrication of 2D and 3D photonic crystal (PhC) microstructures in a polymer dispersed liquid crystal (PDLC) by applying a single top-cut hexagon prism. A six-beam system has been used to produce 2D hexagonal PhCs. By adding an additional mirror, a twelve-beam system is demonstrated to fabricate 3D PhCs with ultraviolet (UV) band-gap along the z direction. A good agreement is obtained for measured PhCs structure and theoretical results. Far-field diffraction patterns and electrical switching characteristics of the 2D and 3D PhC HPDLC films have been investigated.
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42.15.Eq; 42.40.Eq
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Sun, X., Tao, X., Ye, T. et al. 2D and 3D electrically switchable hexagonal photonic crystal in the ultraviolet range. Appl. Phys. B 87, 267–271 (2007). https://doi.org/10.1007/s00340-006-2547-9
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DOI: https://doi.org/10.1007/s00340-006-2547-9