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The fabrication of photonic band gap materials with a two-dimensional defect
2003
Applied Physics Letters
Colloidal crystals with three-dimensional periodicities in the refractive index have a photonic band gap ͑PBG͒ in which electromagnetic waves are forbidden. We present a method to fabricate stacked colloidal crystals containing a two-dimensional defect as a middle layer by combining vertical deposition method with the Langmuir-Blodgett ͑LB͒ technique. The defect layer introduces an impurity mode within the optical stop band, which is observed as a defect peak ͑pass band͒ in the optical density
doi:10.1063/1.1578713
fatcat:nv7gcia6arddpdtmpiwndkokom