Journal
OPTICS LETTERS
Volume 35, Issue 10, Pages 1593-1595Publisher
OPTICAL SOC AMER
DOI: 10.1364/OL.35.001593
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Funding
- European Commission
- Bundesministerium fur Bildung und Forschung
- Helmholtz-Hochschul-Nachwuchsgruppe [VH-NG-232]
- Department of Energy (Basic Energy Sciences) [DE-AC02-07CH11358]
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Coupled split-ring-resonator metamaterials have previously been shown to exhibit large coupling effects, which are a prerequisite for obtaining large effective optical activity. By a suitable lateral arrangement of these building blocks, we completely eliminate linear birefringence and obtain pure optical activity and connected circular optical dichroism. Experiments around a 100 THz frequency and corresponding modeling are in good agreement. Rotation angles of about 30 for 205 nm sample thickness are derived. (C) 2010 Optical Society of America
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