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Three-dimensional photonic crystal structures achieved with self-organization of colloidal particles |
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| Authors: | Song J. Sun H. Xu Y. Fu Y. Matsuo S. Misawa H. Du G. |
| Affiliation: | (1) State Key Laboratory on Integrated Optoelectronics, Jilin University, Changchun, 130023, China;(2) Satellite Venture Business Laboratory, The University of Tokushima, 2-1 Minamijyosanjima, Tokushima, 770-8506, Japan;(3) Department of Ecosystem Engineering, Graduate School of Engineering, The University of Tokushima, 2-1 Minamijyosanjima, Tokushima, 770-8506, Japan |
| Abstract: | Three-dimensional polystyrene/air photonic crystal structure with different particle diameters: 200, 270 and 340 nm was achieved. Strong photonic band gap effect reflected with transmission minimum down to –16 dB was observed. The central wavelengths of the valleys of spectra were well fitted with theoretical calculation. The augmentation of band gap effect versus particle diameter was attributed to an improved self-assembling of particles. An analysis of transmission spectra is also presented. The agreement between the results of experiment and numerical analysis is good. |
| Keywords: | photonic crystal self-organization transmission spectrum |
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