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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

V.A. Gladkikh1

1 Computing Center of the Far Eastern Branch of the Russian Academy of Sciences, Khabarovsk, Russia

 PDF, 680 kB

DOI: 10.18287/2412-6179-2019-43-4-557-561

Pages: 557-561.

Full text of article: Russian language.

Abstract:
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.

Keywords:
Maxwell equations, fiber waveguide, two-stage profile, cylindrical functions, Gaussian model

Citation:
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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