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- Formation of collimated beams behind the woodpile photonic crystal
- Trull, J.; Maigyte, L.; Mizeikis, V.; Malinauskas, M.; Juodkazis, S.; Cojocaru, C.; Rutkauskas, M.; Peckus, M.; Sirutkaitis, V.; Staliunas, K.
- We experimentally observe formation of narrow laser beams behind the woodpile photonic crystal, when the beam remains well collimated in free propagation behind the crystal. We show that the collimation depends on the input laser beam's focusing conditions, and we interpret theoretically the observed effect by calculating the spatial dispersion of propagation eigenmodes and by numerical simulation of paraxial propagation model.
- Publication type
- Journal article
- Research centre
- Swinburne University of Technology. Faculty of Engineering and Industrial Sciences. Centre for Micro-Photonics
- Physical Review A: Atomic, Molecular and Optical Physics, Vol. 84, no. 3 (Sep 2011), paper no. 033812
- Publication year
- FOR Code(s)
- 01 Mathematical Sciences; 02 Physical Sciences; 03 Chemical Sciences
- 2-photon polymerization; Light propagation; Self-collimation; Templates; Wavelength super-refraction
- American Physical Society
- Publisher URL
- Copyright © 2011 American Physical Society. The published version of the paper is reproduced here with the kind permission of the publisher.
- Additional information
- This work was supported by the Spanish Ministerio de Ciencia e Innovacion and European Union FEDER through Project FIS2008-06024-C03-02, Lithuanian State Science and Studies Foundation Grant B09/08, and FP7 (Laserlab-Europe, Grant Agreement No. 228334, OPTOBIO).
- Full text
- Peer reviewed