CHEN Hai-yan, LIU Yong-zhi. Prediction-Verification Method Determining the Refractive Index Profile for Ion-exchange Planar Waveguide[J]. Journal of Applied Optics, 2004, 25(3): 20-22.
Citation: CHEN Hai-yan, LIU Yong-zhi. Prediction-Verification Method Determining the Refractive Index Profile for Ion-exchange Planar Waveguide[J]. Journal of Applied Optics, 2004, 25(3): 20-22.
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Prediction-Verification Method Determining the Refractive Index Profile for Ion-exchange Planar Waveguide

  • 1.

    Jianghan Petroleum University,Jingzhou 434023,China;

  • 2.

    University of Electronic Science and Technology of China,Chengdu 610054,China

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  • Corresponding author:

    CHEN Hai-yan

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    • Abstract
  • A novel least squares algorithm based on anti-WKB method and linear segment interpolation,which is called prediction-verification method, is proposed.This method takes the values calculated by anti-WKB and linear segment interpolation as approximation(prediction),then uses the least squares fitting (verification),and after that compares the linear segment interpolation based on the anti-WKB method with it. Numerical results show that the prediction-verification algorithm can effectively reconstruct the transverse refractive index profile of graded ion-exchange planar waveguide.
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