T-matrix calculation via discrete-dipole approximation, point matching and exploiting symmetry

Details T-matrix calculation via discrete-dipole approximation, point matching and exploiting symmetry T-matrix calculation via discrete-dipole approximation, point matching and exploiting symmetry

2008-12-10

arxiv.org/abs/0812.2040v1

Physics

Optics

22 pages

Scientific paper

We present a method of incorporating the discrete dipole approximation (DDA) method with the point matching method to formulate the T-matrix for modeling arbitrarily shaped micro-sized objects. The \emph{T}-matrix elements are calculated using point matching between fields calculated using vector spherical wave functions and DDA. When applied to microrotors, their discrete rotational and mirror symmetries can be exploited to reduce memory usage and calculation time by orders of magnitude; a number of optimization methods can be employed based on the knowledge of the relationship between the azimuthal mode and phase at each discrete rotational point, and mode redundancy from Floquet's theorem. A 'reduced-mode' T-matrix can also be calculated if the illumination conditions are known.

Affiliated with

Also associated with

No associations

Rating

T-matrix calculation via discrete-dipole approximation, point matching and exploiting symmetry does not yet have a rating. At this time, there are no reviews or comments for this scientific paper.

If you have personal experience with T-matrix calculation via discrete-dipole approximation, point matching and exploiting symmetry, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and T-matrix calculation via discrete-dipole approximation, point matching and exploiting symmetry will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFWR-SCP-O-60025