Axially excited, tightly interlaced, chiral sculptured thin films for polarization-universal bandgaps |
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| Authors: | Akhlesh Lakhtakia |
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| Affiliation: | Computational & Theoretical Materials Sciences Group (CATMAS), Department of Engineering Science & Mechanics, Pennsylvania State University, University Park, PA 16802-6812, USA |
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| Abstract: | A tightly interlaced chiral sculptured thin film (STF), whose unit cell comprises one structural period each of two otherwise identical chiral STFs but of opposite structural handedness, exhibits a polarization-universal bandgap on axial excitation. This bandgap lies wholly inside the Bragg regime of either constituent chiral STF. |
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| Keywords: | Chiral superlattice Polarization-universal bandgap Sculptured thin film |
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