title: Laser Rapid Prototyping of Photonic Band-Gap Microstructures
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.
authors.affiliation: 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
authors.initials: MC
authors.lastname: Wanke
authors.initials: O
authors.lastname: Lehmann
authors.initials: K
authors.lastname: Muller
authors.initials: Q
authors.lastname: Wen
authors.initials: M
authors.lastname: Stuke