Optical polarizer using anisotropic metallic island films with a large aperture and a high extinction ratio

A new type of an optical polarizer consisting of anisotropic metallic island films is proposed, and its optical properties are investigated theoretically. It is shown that an extinction ratio of 63 dB and an insertion loss of 0.02 dB at a resonance wavelength, e.g., 0.64 microm, are expected for the...

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Bibliographic Details
Published in:Optics letters 1991-06, Vol.16 (12), p.964-966
Main Authors: BABA, K, MIYAGI, M
Format: Article
Language:English
Subjects:
Exact sciences and technology
Fundamental areas of phenomenology (including applications)
Optical materials
Optics
Physics
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Summary:A new type of an optical polarizer consisting of anisotropic metallic island films is proposed, and its optical properties are investigated theoretically. It is shown that an extinction ratio of 63 dB and an insertion loss of 0.02 dB at a resonance wavelength, e.g., 0.64 microm, are expected for the polarizer when silver is used as the metal. A broadband polarizer is also designed by combining several kinds of anisotropic island film.
ISSN:0146-9592
1539-4794
DOI:10.1364/OL.16.000964