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Optical Engineering

Improved method for recovering graded-index profile of isotropic waveguide by cubic spline function
Author(s): Yong Yang; Lei Huang; Xianfeng Chen
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Paper Abstract

An improved method for recovering the refractive index profile of an isotropic graded-index waveguide is presented on the basis of the cubic spline interpolation method. The surface refractive index of the waveguide can be obtained by using a polynomial function that is related with the parameters of all modes. The simulation results of several typical index distributions show that this method can be employed to recover a graded-index profile well.

Paper Details

Date Published: 1 July 2010
PDF: 5 pages
Opt. Eng. 49(7) 074602 doi: 10.1117/1.3463016
Published in: Optical Engineering Volume 49, Issue 7
Show Author Affiliations
Yong Yang, Shanghai Jiao Tong Univ. (China)
Lei Huang, Shanghai Jiao Tong Univ. (China)
Xianfeng Chen, Shanghai Jiao Tong Univ. (China)

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