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Electromagnetic scattering from a multilayered sphere located in an arbitrary beam
Applied Optics
|November 10, 2010
Summary
This study presents a method to calculate how arbitrary beams scatter off multilayered spheres. The findings simplify scattering analysis for complex beam shapes, aiding in optical simulations.
Area of Science:
- Electromagnetics and Optics
- Computational Physics
Background:
- Scattering of electromagnetic waves by spherical particles is fundamental in optics.
- Analyzing scattering for arbitrary beams, like Gaussian beams, is complex.
- Existing models often focus on plane-wave illumination.
Purpose of the Study:
- To develop a generalized solution for scattering of arbitrary shaped beams by multilayered spheres.
- To provide expressions for internal and external electromagnetic fields.
- To demonstrate a method for generating scattering coefficients from plane-wave solutions.
Main Methods:
- Utilized Bromwich potentials and boundary conditions.
- Derived expressions for external and internal fields.
- Developed a method to generate arbitrary beam scattering coefficients from plane-wave solutions.
Main Results:
- Provided a comprehensive solution for arbitrary beam scattering from multilayered spheres.
- Showcased that scattering coefficients for arbitrary beams can be derived from plane-wave cases.
- Presented numerical results for scattering patterns and radiation pressure.
Conclusions:
- The developed method offers a simplified approach to analyzing scattering for complex beams.
- This work facilitates more accurate optical simulations involving multilayered spherical particles.
- Numerical results validate the theoretical framework for Gaussian beams and plane waves.
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