## Analysis of scattering by a linear chain of spherical inclusions in an optical fiber

JOSA A, Vol. 23, Issue 12, pp. 3054-3062 (2006)

http://dx.doi.org/10.1364/JOSAA.23.003054

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### Abstract

The scattering by a linear chain of spherical dielectric inclusions, embedded along the axis of an optical fiber, is analyzed using a rigorous integral equation formulation, based on the dyadic Green’s function theory. The coupled electric field integral equations are solved by applying the Galerkin technique with Mie-type expansion of the field inside the spheres in terms of spherical waves. The analysis extends the previously studied case of a single spherical inhomogeneity inside a fiber to the multisphere-scattering case, by utilizing the classic translational addition theorems for spherical waves in order to analytically extract the direct-intersphere-coupling coefficients. Results for the transmitted and reflected power, on incidence of the fundamental

© 2006 Optical Society of America

**OCIS Codes**

(000.3860) General : Mathematical methods in physics

(050.2770) Diffraction and gratings : Gratings

(060.2310) Fiber optics and optical communications : Fiber optics

(290.4020) Scattering : Mie theory

(290.4210) Scattering : Multiple scattering

(290.5850) Scattering : Scattering, particles

**ToC Category:**

Scattering

**History**

Original Manuscript: May 22, 2006

Revised Manuscript: June 21, 2006

Manuscript Accepted: June 22, 2006

**Citation**

Ioannis D. Chremmos and Nikolaos K. Uzunoglu, "Analysis of scattering by a linear chain of spherical inclusions in an optical fiber," J. Opt. Soc. Am. A **23**, 3054-3062 (2006)

http://www.opticsinfobase.org/josaa/abstract.cfm?URI=josaa-23-12-3054

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