Low-Cost Mid-Infrared Polarizer Based On Direct Coupling To Surface-Plasmon Polaritons

Alireza Shahsafi,Jad Salman,Bryan E. Rubio Perez,Yuzhe Xiao,Chenghao Wan,Mikhail A. Kats

2020 CONFERENCE ON LASERS AND ELECTRO-OPTICS (CLEO)（2020）

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摘要

We report a new type of reflective polarizer based on free-space coupling to surface-plasmon polaritons that has a high extinction ratio and high efficiency at infrared frequencies. (C) 2020 The Author(s)

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关键词

surface-plasmon polaritons,free-space coupling,mid-infrared reflective polarizer,extinction ratio,dielectric material,refractive index,light polarisation,light reflection,Al2O3

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