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Calculation of the power of the field, peneting into the external environment of the weaknessing guide of a single-mode fiber
1 Computing Center of the Far Eastern Branch of the Russian Academy of Sciences, Khabarovsk, Russia
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Full text of article: Russian language.
A regular circular weakly guiding double clad optical fiber is considered. For a single-mode regime of the waveguide, an expression for estimating the proportion of the mode field power penetrating into the outer continuous cladding is obtained using a standard approach and a Gaussian model. It is shown that a simpler and more transparent result is obtained in the Gaussian model, which can be used in practical applications, in particular, when designing this type of waveguides with a minimal proportion of power penetrating into the outer shell.
Maxwell equations, fiber waveguide, two-stage profile, cylindrical functions, Gaussian model
Gladkikh VA. Calculation of the power of the field, peneting into the external environment of the weaknessing guide of a single-mode fiber. Computer Optics 2019; 43(4): 557-561. DOI: 10.18287/2412-6179-2019-43-4-557-561.
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