Laser Rapid Prototyping of Photonic Band-Gap Microstructures |
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| Authors: | MC Wanke O Lehmann K Muller Q Wen M Stuke |
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| Institution: | Max-Planck-Institut fur Biophysikalische Chemie, Post Office Box 2841, D-37018 Gottingen, Germany. E-mail: M. C. Wanke, mwanke@qi.ucsb.edu; M. Stuke, mstuke@gwdg.de |
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| Abstract: | Three-dimensional periodic microstructures of aluminum oxide, which are important for creating photonic band-gap structures (PBGs), were fabricated by laser rapid prototyping by means of laser-induced direct-write deposition from the gas phase. The structures consisted of layers of parallel rods forming a face-centered tetragonal lattice with lattice constants of 66 and 133 micrometers. These structures showed transmission minima centered around 4 terahertz (75 micrometers) and 2 terahertz (150 micrometers), respectively. PBGs will allow precise control of the optical properties of materials, including lasers without threshold. |
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