Abstract
In the article, a model of analysis and an algorithm for calculation of the group velocity dispersion and the losses of light, spreading in a Bragg optical fiber, are proposed. A mathematical model, based on the method of the geometrics optics is included. The influence of the fiber clad dielectric properties on the light propagation is taken into account. A comparison of the dispersion and the bandwidth of fibers with different number layers for low modes are made. Examples of Bragg fibers with different optical properties and attenuation are shown. Finally, advantages of the Bragg fiber, observed on the diagrams of attenuation, dispersion and bandwidth, are listed.
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