Metamaterial-based Design for a Half Wavelength Plate in the Terahertz Range

Radu Malureanu, Wujiong Sun, Maksim Zalkovskij, Qiong He, Lei Zhou, Peter Uhd Jepsen, Andrei Lavrinenko

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In this work a new design aimed to perform as a half-wavelength plate in the terahertz regime is presented. The fabricated samples exhibit a phase difference of 180 degrees at 0.73 THz between the two principal polarizations that matches with the modelling results. The experimentally determined transmittances of the two polarisations were around 61%, which is below theoretical predictions of reaching more than 90%. The difference between the two results is explained and possibilities for increasing the transmittance are presented.
Original languageEnglish
JournalApplied Physics A: Materials Science & Processing
Issue number2
Pages (from-to)467-473
Publication statusPublished - 2015


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