Terahertz form birefringence

We report on one-dimensional photonic crystals designed to exhibit a pronounced form birefringence at terahertz frequencies. The crystals can be used as volumetric quasioptical elements for a broad frequency range. Theoretical simulations of the dielectric parameters of these structures are presente...

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Bibliographic Details
Published in:Optics express 2010-05, Vol.18 (10), p.10137-10142
Main Authors: Scheller, Maik, Jördens, Christian, Koch, Martin
Format: Article
Language:English
Subjects:
Birefringence
Manufactured Materials
Materials Testing
Refractometry - methods
Terahertz Radiation
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Summary:We report on one-dimensional photonic crystals designed to exhibit a pronounced form birefringence at terahertz frequencies. The crystals can be used as volumetric quasioptical elements for a broad frequency range. Theoretical simulations of the dielectric parameters of these structures are presented as well as measurement results of a polymeric crystal that exhibit a birefringence of 0.25 at 300 GHz. As a potential application, the device is exemplarily used as terahertz wave plate.
ISSN:1094-4087
1094-4087
DOI:10.1364/OE.18.010137