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- Woodpile photonic crystal for beam collimation
- Maigyte, Lina; Trull, Jose; Mizeikis, Vygantas; Malinauskas, Mangirdas; Juodkazis, Saulius; Cojocaru, Crina M.; Rutkauskas, Marius; Peckus, Martynas; Sirutkaitis, Valdas; Staliunas, Kestutis
- We report and analyze experimental observation of the formation of a narrow, well collimated laser beam at optical frequency behind the woodpile photonic crystal fabricated using a femtosecond laser multi-photon polymerization technique. We show that the collimation depends on the input laser beam focusing conditions. We discuss the experimental results and give theoretical interpretation.
- Publication type
- Conference paper
- Research centre
- Swinburne University of Technology. Faculty of Engineering and Industrial Sciences. Centre for Micro-Photonics
- Proceedings of SPIE: proceedings of the Photonic Crystal Materials and Devices X Conference, Brussels, Belgium, 16-19 April 2012 / Hernan Ruy Miguez, Sergei G. Romanov, Lucio Claudio Andreani and Christian Seassal (eds.), Vol. 8425, paper no. 842511
- Publication year
- Beam shaping; Collimation; Modulated materials; Photonic crystals
- 0277-786X (series ISSN)
- 9780819491176, 0819491179
- Publisher URL
- Copyright © 2012 Society of Photo-Optical Instrumentation Engineers. This paper was originally published in Proceedings of SPIE (Vol. 8425), and is available from: http://dx.doi.org/10.1117/12.922276. The published version is reproduced in accordance with the copyright policy of the publisher. One print or electronic copy may be made for personal use only. Systematic electronic or print reproduction and distribution, duplication of any material in this paper for a fee or for commercial purposes, or modification of the content of the paper are prohibited.
- 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, the EC Seventh Framework Programme LASERLAB-EUROPE (grant agreements no. 228334), and the European Union Structural Funds project 'Postdoctoral Fellowship Implementation in Lithuania'.
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