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Proceedings Paper

Application of pressure to shift the bandgap in polystyrene-based photonic crystals
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Paper Abstract

We describe a simple technique for the selective area modification of the bandgap in planar 3-D photonic crystals (PhC). The PhCs are grown by controlled drying of monosized polystyrene spheres. Uniaxial pressure of 41 MPa can produce a shift in the bandgap of ~90 nm from 230 nm spheres. An unexpected broadening of the bandgap is attributed to the change in topology associated with large necks formed between spheres at pressures greater than 10 MPa.

Paper Details

Date Published: 15 September 2004
PDF: 5 pages
Proc. SPIE 5450, Photonic Crystal Materials and Nanostructures, (15 September 2004); doi: 10.1117/12.546533
Show Author Affiliations
Nigel P. Johnson, Univ. of Glasgow (United Kingdom)
Ali Z. Khokhar, Univ. of Glasgow (United Kingdom)
Martyn A. McLachlan, Univ. of Glasgow (United Kingdom)
David W. McComb, Imperial College London (United Kingdom)
Richard M. De La Rue, Univ. of Glasgow (United Kingdom)

Published in SPIE Proceedings Vol. 5450:
Photonic Crystal Materials and Nanostructures
Richard M. De La Rue; Pierre Viktorovitch; Clivia M. Sotomayor Torres; Michele Midrio, Editor(s)

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