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Conference Paper
Quantum Electronics and Laser Science Conference
San Jose, California United States
May 6-11, 2012
ISBN: 978-1-55752-943-5
New Directions in Metamaterials (QM2E)

Tapered Gold Helices as High-Extinction-Ratio, Broadband Circular Polarizer

Justyna K. Gansel, Michael Latzel, Andreas Frölich, Johannes Kaschke, Michael Thiel, and Martin Wegener  »View Author Affiliations


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Tapering is shown to further extend the bandwidth of three-dimensional gold-helix metamaterials as broadband circular polarizers to about 1.5 octaves. Furthermore, the extinction ratio is improved. Theory and experiment show good agreement.

© 2012 OSA

OCIS Codes
(220.4000) Optical design and fabrication : Microstructure fabrication
(230.5440) Optical devices : Polarization-selective devices
(160.3918) Materials : Metamaterials

J. K. Gansel, M. Latzel, A. Frölich, J. Kaschke, M. Thiel, and M. Wegener, "Tapered Gold Helices as High-Extinction-Ratio, Broadband Circular Polarizer," in Conference on Lasers and Electro-Optics 2012, OSA Technical Digest (Optical Society of America, 2012), paper QM2E.4.

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