Three-dimensional circular spiral photonic crystal structures recorded by femtosecond pulses

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Please use this identifier to cite or link to this item: http://hdl.handle.net/1959.3/193407

Title: Three-dimensional circular spiral photonic crystal structures recorded by femtosecond pulses
Author(s): Seet, Kock Khuen; Mizeikis, Vygantas; Juodkazis, Saulius; Misawa, Hiroaki
Abstract: Photonic crystal structures having three-dimensional (3D) circular spiral architecture have large theoretical photonic band-gap but cannot be implemented by most of the existing microfabrication techniques. We have successfully used a highly versatile 3D microstructuring technique called femtosecond laser microfabrication to prepare templates of the circular spiral photonic crystals in a commercially available photoresist SU-8. The structures fabricated have good structural quality, are highly periodic and exhibit spectral signatures of photonic bands dispersion in the short infrared wavelength region.
Publication type: Journal article
Source: Journal of Non-Crystalline Solids, Vol. 352, no. 23-25 (Jul 2006), pp. 2390-2394
Publication year: 2006
FOR Code(s): 0912 Materials Engineering
Keyword(s): Laser lithography; Organics; Photonic band gap; Polymers
Publisher: Elsevier B.V.
ISSN: 0022-3093
Publisher URL: http://dx.doi.org/10.1016/j.jnoncrysol.2006.02.079
Peer reviewed