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4 November 2004 Mid-infrared fibers: variants for mode filtration for the single-mode operation
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In presented paper the analytical method of the complex analysis for PIR fiber-optic depending on number of optical modes was applied with numeral estimations. In this paper the consideration of polycrystalline-fiber materials (ArBrCl) for the wavelengths 4-20mm were performed with real appropriate numeral estimations. The physical nature of imaginary part of refractive indexes was assumed as the total sum of material scattering with material absorption. The simple equations were received and used for calculations of the imaginary parts of these main functions as well as for the set of mode's attenuations (am) from the imaginary parts of propagation constants. Using designed in given paper algorithm, the analysis of the operation of surrounding water was organized for effective desirable absorption of the set of optical cladding's modes.
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Tamara V. Tulaikova and Konstantin Kravtsov "Mid-infrared fibers: variants for mode filtration for the single-mode operation", Proc. SPIE 5543, Infrared Spaceborne Remote Sensing XII, (4 November 2004);

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