2D and 3D electrically switchable hexagonal photonic crystal in the ultraviolet range

X. Sun, Xiaoming Tao, T. Ye, P. Xue, Y. S. Szeto

Research output: Journal article publicationJournal articleAcademic researchpeer-review

24 Citations (Scopus)


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.
Original languageEnglish
Pages (from-to)267-271
Number of pages5
JournalApplied Physics B: Lasers and Optics
Issue number2
Publication statusPublished - 1 Apr 2007

ASJC Scopus subject areas

  • Physics and Astronomy (miscellaneous)
  • Physics and Astronomy(all)

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