Use of radially polarized beams in three-dimensional photonic crystal fabrication with the two-photon polymerization method

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Title: Use of radially polarized beams in three-dimensional photonic crystal fabrication with the two-photon polymerization method
Author(s): Jia, Baohua; Kang, Hong; Li, Jiafang; Gu, Min
Abstract: Radially polarized ultrafast laser beams are used in the fabrication of three-dimensional photonic crystals with the two-photon polymerization technique in organic-inorganic hybrid materials. It has been found that when a radially polarized beam is employed, the lateral size of the fabricated polymer rods is decreased by 27.5% from 138 to 100 nm under a threshold fabrication condition, leading to a 17.35% reduction in the filling ratio of the photonic crystal. A comparison of the stop gaps between radially polarized and linearly polarized beam illumination shows a higher suppression ratio in transmission and a wider wavelength range in the former case owing to the favorable tuning of the filling ratio of the three-dimensional photonic crystals.
Publication type: Journal article
Research centre: Swinburne University of Technology. Faculty of Engineering and Industrial Sciences
Source: Optics Letters, Vol. 34, no. 13 (2009), pp. 1918-1920
Publication year: 2009
FOR Code(s): 020504 Photonics, Optoelectronics and Optical Communications; 100711 Nanophotonics
Keyword(s): Microstructure fabrication; Optical design and fabrication; Photonic crystals; Three-dimensional fabrication
Publisher: Optical Society of America
ISSN: 0146-9592
Publisher URL: http://dx.doi.org/10.1364/OL.34.001918
Copyright: Copyright © 2009 Optical Society of America. Published version of the paper reproduced here in accordance with the copyright policy of the publisher. This paper was published in Optics Express and is made available as an electronic reprint with the permission of OSA. The paper can be found at the following URL on the OSA website: http://dx.doi.org/10.1364/OL.34.001918. Systematic or multiple reproduction or distribution to multiple locations via electronic or other means is prohibited and is subject to penalties under law.
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