Tun Cao
Directive emission of red conjugated polymer embedded within zero index metamaterials
Cao, Tun; Zou, Yang; Adawi, Ali; Cryan, Martin J.
Abstract
Abstract: We numerically demonstrate an impedance-matched multilayer stacked fishnet metamaterial that has zero index with flat high transmittance from 600nm to 620nm. The effective refractive index(ππππ) is calculated to be β0.045 + 0.466i and the normalize effective impedance(ππππ/π0) is 0.956-0.368i at 610nm. The light emitted by a red conjugated polymer layer embedded in such a zero index metamaterial (ZIM) is concentrated in a narrow cone in the surrounding media, where the half-power beam width (HPBW) of the center lobe of the radiation pattern is around 25Β° in the wavelength range between 600nm and 620nm, giving directive emission in the visible region. This proposed light focusing system can be applied to sensing, beam collimating and filtering functionalities.
Citation
Cao, T., Zou, Y., Adawi, A., & Cryan, M. J. (2014). Directive emission of red conjugated polymer embedded within zero index metamaterials. Optics express, 22(19), 22699-22706. https://doi.org/10.1364/OE.22.022699
Journal Article Type | Article |
---|---|
Acceptance Date | Sep 8, 2014 |
Online Publication Date | Sep 11, 2014 |
Publication Date | Sep 22, 2014 |
Deposit Date | Oct 28, 2015 |
Publicly Available Date | Nov 23, 2017 |
Journal | Optics express |
Print ISSN | 1094-4087 |
Publisher | Optica |
Peer Reviewed | Peer Reviewed |
Volume | 22 |
Issue | 19 |
Pages | 22699-22706 |
DOI | https://doi.org/10.1364/OE.22.022699 |
Keywords | Red conjugated polymer, Zero index metamaterials |
Public URL | https://hull-repository.worktribe.com/output/380392 |
Publisher URL | https://www.osapublishing.org/oe/abstract.cfm?uri=oe-22-19-22699 |
Additional Information | Authors' accepted manuscript of article published in: Optics express, 2014, v.22, issue 19 |
Contract Date | Nov 23, 2017 |
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Copyright Statement
Β© 2014 Optical Society of America. One print or electronic copy may be made for personal use only. Systematic reproduction and distribution, duplication of any material in this paper for a fee or for commercial purposes, or modifications of the content of this paper are prohibited.
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