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Please use this identifier to cite or link to this item: http://hdl.handle.net/1959.3/236605
- Title
- Collimation and imaging behind a woodpile photonic crystal
- Author(s)
- Maigyte, L.; Cojocaru, C.; Trull, J.; Peckus, M.; Mizeikis, V.; Malinauskas, M.; Rutkauskas, M.; Juodkazis, S.; Staliunas, K.
- Abstract
- We investigate different linear effects that appear in the light beam propagation behind a three-dimensional woodpile photonic crystal. On one hand we report and analyse experimental observation of narrow and well collimated laser beam formation behind the photonic crystal. We show that this collimation depends on the input laser beam focusing conditions. On the other hand we also report the first theoretical and numerical observation double imaging formation behind the photonic crystal. That conclusion comes from the idea that the spatial dispersion possess multiple branches (Bloch branches), generally of different curvatures, for a fixed frequency.
- Publication type
- Conference paper
- Research centre
- Swinburne University of Technology. Faculty of Engineering and Industrial Sciences. Centre for Micro-Photonics
- Source
- Proceedings of the 2012 14th International Conference on Transparent Optical Networks (ICTON 2012), Coventry, United Kingdom, 02-05 July 2012 / Marek Jaworski and Marian Marciniak (eds.)
- Publication year
- 2012
- Keyword(s)
- Beam shaping; Collimation; Focusing; Modulated materials; Photonic crystals
- Publisher
- IEEE
- ISSN
- 2162-7339 (series ISSN)
- ISBN
- 9781467322270, 146732227X
- Publisher URL
- http://dx.doi.org/10.1109/ICTON.2012.6253921
- Copyright
- Copyright © 2012 IEEE.
- Additional information
- The authors acknowledge support from the Spanish Ministerio de Ciencia e Innovacion and European Union FEDER through projects FIS2008-06024-C03-C02, and FIS2011-29731-C02-01, by EC Seventh Framework Programme LASERLAB-EUROPE (grant agreements no 228334), and by European Union Structural Funds project 'Postdoctoral Fellowship Implementation in Lithuania'.
- Peer reviewed
