Flexible terahertz wire grid polarizer with high extinction ratio and low loss. Ferraro, A., Zografopoulos, D., Missori, M., Peccianti, M., Caputo, R., & Beccherelli, R. Optics Letters, 41(9):2009-2012, OSA - The Optical Society, 2016. cited By 44Paper doi abstract bibtex An aluminum-based terahertz (THz) wire grid polarizer is theoretically investigated and experimentally demonstrated on a subwavelength thin flexible and conformal foil of the cyclo-olefin Zeonor polymer. THz time-domain spectroscopy characterization, performed on both flat and curved configurations, reveals a high extinction ratio between 40 and 45 dB in the 0.3-1 THz range and in excess of 30 dB up to 2.5 THz. The insertion losses are lower than 1 dB and are almost exclusively due to moderate Fabry-Perot reflections, which vanish at targeted frequencies. The polarizer can be easily fabricated with low-cost techniques such as roll-to-roll and/or large-area electronics processes and promises to open the way for a new class of flexible and conformal THz devices. © 2016 Optical Society of America.
@ARTICLE{Ferraro20162009,
author={Ferraro, A. and Zografopoulos, D.C. and Missori, M. and Peccianti, M. and Caputo, R. and Beccherelli, R.},
title={Flexible terahertz wire grid polarizer with high extinction ratio and low loss},
journal={Optics Letters},
year={2016},
volume={41},
number={9},
pages={2009-2012},
doi={10.1364/OL.41.002009},
note={cited By 44},
url={https://www.scopus.com/inward/record.uri?eid=2-s2.0-84964989556&doi=10.1364%2fOL.41.002009&partnerID=40&md5=6003167ae2083a5645dbff1ffa7d07b8},
abstract={An aluminum-based terahertz (THz) wire grid polarizer is theoretically investigated and experimentally demonstrated on a subwavelength thin flexible and conformal foil of the cyclo-olefin Zeonor polymer. THz time-domain spectroscopy characterization, performed on both flat and curved configurations, reveals a high extinction ratio between 40 and 45 dB in the 0.3-1 THz range and in excess of 30 dB up to 2.5 THz. The insertion losses are lower than 1 dB and are almost exclusively due to moderate Fabry-Perot reflections, which vanish at targeted frequencies. The polarizer can be easily fabricated with low-cost techniques such as roll-to-roll and/or large-area electronics processes and promises to open the way for a new class of flexible and conformal THz devices. © 2016 Optical Society of America.},
publisher={OSA - The Optical Society},
issn={01469592},
coden={OPLED},
document_type={Article},
source={Scopus},
}
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