Codes for calculation of the scattering matrix and cross sections of neighboring, non-intersecting spheres by Daniel Mackowski, Kirk Fuller and Michael Mishchenko.

• Link (28 Nov 2008)

Weng Cho Chew's page on efficient addition theorem calculations including Fortran 77 program (spheres.zip) for scattering of clusters of spheres by Yiming Wang implemention using the addition theorem. The papers by J.H. Bruning and Y.T. Lo are also available.

• Link (28 Nov 2008. broken)
• Page at Archive Server (21 Jun 2012)
• spheres.zip, local copy (21 Jun 2012)
• J.H. Bruning and Y.T. Lo, "Multiple Scattering by Spheres," UIUC EM Lab Technical Report, May 1969, local copy (21 Jun 2012)

RETOP

RETOP is an free Matlab toobox that implements a near-to-far-field transformation for computing the radiation diagram. RETOP operates for objects on substrates or buried in stratified media.

• Link (2 May 2023)

PyDDA

Discrete dipole approximation implementation in Python by Pavel Dmitriev.

Reimplementation of DDA-SI (DDA with planar surface interaction) https://code.google.com/p/dda-si/

• Link (23 Apr 2021)

This Matlab program calculates the energy transport of a dipole in a multilayer stack. Coded and developed at MIT by Kemal Celebi and Marc Baldo.

• Link (14 April 2014)

Mie@2Media- Interface, Mie Scattering at interfaces
This program (MATLAB CODE) uses approximations and interpolation methods in order to describe Mie Scattering of a nanoparticle at an interface.

• Link (23 Sep 2013)

Fortran program to calculate the scatter due to particulates on a mirror, printed in

Spyak, Paul Raymond: A cryogenic scatterometer and scatter from particulate contaminants on mirrors. PhD, University of Arizona, 1990.

• Link (7 Jan 2012)

The Numerically Determined Steepest Descent Path Package (ND-SDP) is a free MATLAB toolbox for rapid computation of the fields due to an electric or magnetic line-source, operating in the presence of a dielectric (lossless) half-space, that is 2D Sommerfeld integrals are evaluated.

• Link (11 Jun 2010)

The Null-field Method with Discrete Sources is an extension of the Null-field Method (also called T-Matrix Method) to compute light scattering by arbitrarily shaped dielectric particles. The Fortran code is inculded on CD with the book:

Adrian Doicu, Thomas Wriedt and Yuri Eremin: Light Scattering by Systems of Particles. Null-Field Method with Discrete Sources -
Theory and Programs. Springer Verlag; Berlin, Heidelberg, New York 2006.

• Springer Publisher(14.8.2006)
• List of Fortran90 Programs on CD-ROM with the book (18.8.2006)
• Users guide (04.03.2013)
• Amazon: SEARCH INSIDE this book (18.7.2007)
• SScaTT
  Superellipsoid Scattering Tool (v.1.1.4) for T-matrix scattering computation by superellipsoids and other abritrary shaped 3D scatterers by T. Wriedt. Windows 98, XP SScaTT paper
• Particle shapes that might be suitable for SScaTT (9 Dec 2021)
• For questions please send emails to This email address is being protected from spambots. You need JavaScript enabled to view it. (22.9.2006)
• new parallel code, users guide (16 Apr 2010)
• all links updated (9 Dec 2021)

GF Package (EM Green's function near an interface) written by , J. C. Schotland, and V. A. Markel.

• SPIE Newsroom (10 Dec 2009)

• Link (10 Dec 2009)