期刊
OPTICS LETTERS
卷 35, 期 2, 页码 166-168出版社
OPTICAL SOC AMER
DOI: 10.1364/OL.35.000166
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- Deutsche Forschungsgemeinschaft (DFG)
- State of Baden-Wurttemberg
- European Commission [213390]
- Bundesministerium fur Bildung und Forschung (BMBF)
- DFG [DFG-Fr 1671/4-3]
We investigate three-dimensional photonic superlattices composed of polymeric helices in various spatial checkerboard-like arrangements. Depending on the relative phase shift and handedness of the chiral building blocks, different circular-dichroism resonances appear or are suppressed. Samples corresponding to four different configurations are fabricated by direct laser writing. The measured optical transmittance spectra are in good agreement with numerical calculations. (C) 2010 Optical Society of America
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