Metal nanoslit lenses with polarization-selective design

Satoshi Ishii*, Alexander V. Kildishev, Vladimir M. Shalaev, Kuo-Ping Chen, Vladimir P. Drachev

*Corresponding author for this work

研究成果: Article同行評審

72 引文 斯高帕斯(Scopus)

摘要

We present comprehensive studies on thin diffraction lenses made of arrays of subwavelength, parallel nanoslits in a gold film. Such a nanoslit lens can operate either as a conventional convex or concave lens. The lenses can be designed to focus linearly polarized light with polarization either perpendicular (TM-lens) or parallel to the slits (TE-lens), while the orthogonal polarization diverges when passing through the lens. The designs of each lens are initially built on the dispersion relations for wave propagation through a parallel-plate waveguide. Both TM-and TE-lenses were realized experimentally, and full-wave numerical simulations fully support the experimental results.

原文English
頁(從 - 到)451-453
頁數3
期刊Optics Letters
36
發行號4
DOIs
出版狀態Published - 15 二月 2011

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