Transmission characteristics of long-period fiber gratings having arbitrary azimuthal/radial refractive index variations

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Anemogiannis, E.
Glytsis, Elias N.
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http://hdl.handle.net/1853/45263
Abstract
A numerical method is presented for determining the transmittance of long-period (LP) fiber-gratings having arbitrary azimuthal/radial refractive index variations. The method uses coupled- mode theory and includes both the sine and cosine character of the LP modes. The model treats interactions between the fundamental LP₀₁ mode and high-azimuthal-order cladding modes. The method utilizes the transfer matrix method to model cylindrical layers both in the core and the cladding regions.
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2003-01
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