Fabrication of metallic-film subwavelength-grating polarizers is simplified by employing the imprinting technique. The extinction ratio of polarizers fabricated is 45dB together with an insertion loss lower than 0.5dB at around 2.3THz.
© 2012 OSA
K. Shiraishi, M. Kofuji, Y. Inagawa, H. Yoda, and C. S. Tsai, "Fabrication of Thin Metallic-film Subwavelength-Grating Polarizers for Terahertz Region by the Imprinting Method," in Conference on Lasers and Electro-Optics 2012, OSA Technical Digest (online) (Optical Society of America, 2012), paper JW2A.45.
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