Improved Mie scattering algorithms

Area of Science:

• Physics
• Optics
• Computational Electromagnetics

Background:

• Mie scattering calculations for electromagnetic radiation from spheres are computationally intensive.
• These calculations are crucial for diverse optical applications across UV, microwave, and radar wavelengths.
• Limited computational resources can hinder the application of Mie scattering theory.

Purpose of the Study:

• To introduce novel Mie scattering algorithms.
• To enhance the computational speed and efficiency of Mie scattering calculations.
• To provide thoroughly documented algorithms for broader accessibility.

Main Methods:

• Development of new, efficient formulations for Mie scattering.
• Implementation of vector structures to optimize calculations.
• Testing algorithms on high-performance computing platforms like Cray-1.

Main Results:

• Achieved considerable improvements in calculation speed.
• Demonstrated particular speed advantages on vector-processing computers.
• Developed well-documented algorithms for practical use.

Conclusions:

• The new algorithms significantly accelerate Mie scattering computations.
• Efficient formulations and vector structures are key to improved performance.
• These advancements facilitate wider application of Mie scattering in optics and electromagnetics.