TITLE

Mechanically flexible polymeric compound one-dimensional photonic crystals for terahertz frequencies

AUTHOR(S)
Jansen, Christian; Wietzke, Steffen; Astley, Victoria; Mittleman, Daniel M.; Koch, Martin
PUB. DATE
March 2010
SOURCE
Applied Physics Letters;3/15/2010, Vol. 96 Issue 11, p111108
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
We describe the fabrication and characterization of fully flexible one-dimensional photonic crystals for terahertz frequencies based on alternating layers of a highly refracting polymeric compound and a pure polymer. Due to the high permittivity contrast and low intrinsic material absorption, even a low number of layers yields structures with a pronounced artificial band gap, with a center frequency reflectivity close to unity. Besides the high filter performance, the polymeric compound one-dimensional photonic crystals can be employed for beam shaping by applying a curvature to the mechanically flexible structures, since the spectral characteristics remain nearly unchanged when the structure is flexed.
ACCESSION #
48698127

 

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