Abstract
Near-infrared polarizing films with an extinction ratio greater than 30 dB of submicrometer-order thickness have been realized for the first time. This polarizing film is fabricated by extending the structure consisting of an alternation of multilayered glass films and island-shaped silver thin films made of nanometer-size silver particles. Optimum fabrication conditions for providing a large optical anisotropy to the island-shaped silver thin films are discussed. A polarizing film with an extinction ratio of 35 dB is obtained at a wavelength of 1.3 μm with a device length of 0.5 μ. © 1999 Scripta Technica, Electron Comm Jpn Pt 2, 82(6): 17–24, 1999
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