Holographic interference filters for infrared communications |
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Authors: | Diehl Damon W George Nicholas |
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Affiliation: | The Institute of Optics, University of Rochester, Rochester, New York 14627-0186, USA. damon@optics.rochester.edu |
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Abstract: | We demonstrate that high-quality interference filters for the wavelength range 1300-1600 nm can be holographically fabricated in DuPont HRF-800X001 photopolymer material by use of visible laser illumination. We also summarize a chain-matrix technique, which we call thin-film decomposition, that is useful for modeling multilayer films with an arbitrary index profile n(z). We use the thin-film-decomposition technique to create design curves that allow one to choose the proper exposure angle and film thickness with which to fabricate a holographic interference filter with a desired transmission efficiency and bandwidth at a particular wavelength. These curves are of general utility and are not confined to any particular holographic recording medium. Excellent agreement between theory and experiment is found. |
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