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Finite-element model for three-dimensional optical scattering problems.

Xiuhong Wei1, Arthur J Wachters, H Paul Urbach

  • 1Optical Research Group, Department of Imaging Science and Technology, Delft University of Technology, The Netherlands. wei@natlab.research.philips.com

Journal of the Optical Society of America. A, Optics, Image Science, and Vision
|February 16, 2007
PubMed
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A new 3D finite-element model solves optical Maxwell equations for various materials and configurations. This computational tool is applicable to near-field optical recording challenges.

Area of Science:

  • Computational electromagnetics
  • Optics and photonics

Background:

  • Solving the time-harmonic Maxwell equation is crucial for optical simulations.
  • Modeling complex optical systems requires versatile computational methods.

Purpose of the Study:

  • To present a novel three-dimensional finite-element model for solving the time-harmonic Maxwell equation.
  • To demonstrate the model's applicability to diverse optical scenarios and materials.

Main Methods:

  • Finite-element method (FEM) implementation for 3D electromagnetic field calculations.
  • Adaptation of the model for isotropic/anisotropic dielectrics and metals.
  • Application to configurations including isolated scatterers, multilayers, bi-gratings, and crystals.

Main Results:

Related Experiment Videos

  • Successful development of a robust 3D FEM for optical Maxwell equations.
  • Validation of the model's capability across various material types and complex geometries.
  • Demonstration of applicability to near-field optical recording.

Conclusions:

  • The presented 3D FEM provides a powerful tool for optical simulations.
  • The model's versatility makes it suitable for analyzing advanced optical phenomena and devices.
  • Potential impact on the development of near-field optical recording technologies.