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- Title
- Multiple higher-order stop gaps in infrared polymer photonic crystals
- Author(s)
- Gu, Min; Straub, Martin Hermann; Ventura, Michael
- Abstract
- Engineering of stop gaps between higher photonic bands provides an alternative to miniaturization of photonic crystals. Femtosecond laser microfabrication of highly correlated void channel polymer microstructures results in photonic crystals with large stop gaps and a multitude of higher-order gaps in the mid- and near-infrared spectral regions. The gap wavelengths obey Bragg's law. Consistent with theory, varying the woodpile structure unit cell allows for tuning the number of higher-order gaps, and transitions from mere resonant Bragg scattering to stop band total reflection are observed.
- Publication type
- Journal article
- Research centre
- Swinburne University of Technology. School of Biophysical Science and Electrical Engineering. Centre for Micro-Photonics
- Source
- Physical Review Letters, Vol. 91, no. 4 (July 2003)
- Publication year
- 2003
- Keyword(s)
- Photonic crystals; Infrared spectra; Photonic band gap
- Publisher
- American Physical Society
- ISSN
- 0031-9007
- Publisher URL
- http://dx.doi.org/10.1103/PhysRevLett.91.043901
- Copyright
- Copyright © 2003 The American Physical Society. Published version of this paper reproduced with the kind permission of the publisher.
- Full text
- Peer reviewed
