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Fabrication of Thin Metallic-film Subwavelength-Grating Polarizers for Terahertz Region by the Imprinting Method

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Abstract

Fabrication of metallic-film subwavelength-grating polarizers is greatly simplified by employing the imprinting technique. The extinction ratio of polarizers fabricated is as high as 45dB together with an insertion loss lower than 0.5dB at around 2.3THz.

© 2012 Optical Society of America

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