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Examples

Janaka Ranasinghesagara edited this page Jan 4, 2026 · 11 revisions

Example 1: Monodisperse Distribution (Single Wavelength) –Comparison with an alternative Mie Tool

This example presents a single-wavelength simulation for monodisperse spheres possessing a complex refractive index. The results from the Mie Simulator GUI demonstrate excellent agreement with Scott Prahl's Mie Scattering Calculator; minor discrepancies primarily attributed to rounding.

Simulation parameters:

Sphere Diameter: 1.0microns
Refractive Index of Medium: 1.33
Real Refractive Index of Sphere: 1.5
Imaginary Refractive Index of Sphere: -0.5
Wavelength: 632.8nm
Number Density: 1e8spheres/mm3
Number of Angles: 360 (dtheta = π/360 = 0.5˚)

Mie-Example1

Comparison:

Mie-Example1


Example 2: Polydisperse Distribution (Multi-Wavelength) – Scattering of Intralipid Phantoms

To demonstrate the tool's scientific utility, we characterize Intralipid 20%, a standard tissue phantom used in biomedical optics (DiNinni2011). Intralipid 20% (w/w) corresponds to a volume fraction of 0.227 (Aernouts2013). Following Raju2017, we assumed a mean particle diameter and standard deviation of 0.22 µm and 0.4 µm, respectively.

Simulation parameters:

Poly Disperse Distribution: Log Normal
Mean Diameter: 0.22 microns
Std. Deviation: 0.4 microns
Number of Sph. Sizes: 101
Refractive Index of Medium: 1.33
Real Refractive Index of Sphere: 1.47
Imaginary Refractive Index of Sphere: 0
Wavelength: 600 nm to 1000 nm in 10 nm steps
Volume Fraction: 0.227
Number of Angles: 360 (dtheta = π/360 = 0.5˚)

Mie-Example2

Mie-Example2

Getting Started with the Application and Source Code

Mie Simulator GUI

Contributing

Discussions

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