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Fabrication of Two-Dimensional Photonic Crystals with Triangular Rods by Single-Exposure Holographic Lithography |
| PU Yi-Ying;LIANG Guan-Quan;MAO Wei-Dong;DONG Jian-Wen;WANG He-Zhou |
| State Key Laboratory of Optoelectronic Materials and Technologies, Sun Yat-sen University, Guangzhou 510275 |
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| Cite this article: |
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PU Yi-Ying, LIANG Guan-Quan, MAO Wei-Dong et al 2007 Chin. Phys. Lett. 24 983-985 |
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Abstract We demonstrate a single-exposure holographic fabrication of two-dimensional photonic crystal with round-cornered triangular `atoms' arranged in a triangular lattice. Simulation results show that double absolute photonic band gaps exist in this structure. Our experimental results show that holographic lithography can be used to fabricate photonic crystals not only with various lattice structures but also with various kinds of structures of the atoms, to obtain absolute band gaps or a particular band gap structure. Furthermore, the single-exposure holographic method not only makes the fabrication process simple and convenient but also makes the structures of the atoms more perfect.
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| Keywords:
42.70.Qs
42.40.Kw
42.40.My
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Received: 15 November 2006
Published: 26 March 2007
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| PACS: |
42.70.Qs
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(Photonic bandgap materials)
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42.40.Kw
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(Holographic interferometry; other holographic techniques)
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42.40.My
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(Applications)
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