Abstract
An exact transition matrix was formulated for electromagnetic scattering by an orthorhombic dielectric-magnetic sphere whose permeability dyadic is a scalar multiple of its permittivity dyadic. Calculations were made for plane waves incident on the sphere. As the size parameter increases, the role of anisotropy evolves; multiple lobes appear in the plots of the differential scattering efficiency in any scattering plane; the total scattering, extinction, and forward-scattering efficiencies exhibit a prominent maximum each; and the absorption efficiency generally increases with weak undulations. Certain orientations of the sphere with respect to the directions of propagation and the electric field of the incident plane wave make it highly susceptible to detection in a monostatic configuration, whereas other orientations make it much less vulnerable to detection. Impedance match to the ambient free space decreases backscattering efficiency significantly, although anisotropy prevents null backscattering.
| Original language | English (US) |
|---|---|
| Pages (from-to) | 89-100 |
| Number of pages | 12 |
| Journal | Journal of the Optical Society of America A: Optics and Image Science, and Vision |
| Volume | 31 |
| Issue number | 1 |
| DOIs | |
| State | Published - Jan 1 2014 |
Fingerprint
All Science Journal Classification (ASJC) codes
- Electronic, Optical and Magnetic Materials
- Atomic and Molecular Physics, and Optics
- Computer Vision and Pattern Recognition
Cite this
}
Scattering of an electromagnetic plane wave by a homogeneous sphere made of an orthorhombic dielectric-magnetic material. / Jafri, A. D.Ulfat; Lakhtakia, Akhlesh.
In: Journal of the Optical Society of America A: Optics and Image Science, and Vision, Vol. 31, No. 1, 01.01.2014, p. 89-100.Research output: Contribution to journal › Article
TY - JOUR
T1 - Scattering of an electromagnetic plane wave by a homogeneous sphere made of an orthorhombic dielectric-magnetic material
AU - Jafri, A. D.Ulfat
AU - Lakhtakia, Akhlesh
PY - 2014/1/1
Y1 - 2014/1/1
N2 - An exact transition matrix was formulated for electromagnetic scattering by an orthorhombic dielectric-magnetic sphere whose permeability dyadic is a scalar multiple of its permittivity dyadic. Calculations were made for plane waves incident on the sphere. As the size parameter increases, the role of anisotropy evolves; multiple lobes appear in the plots of the differential scattering efficiency in any scattering plane; the total scattering, extinction, and forward-scattering efficiencies exhibit a prominent maximum each; and the absorption efficiency generally increases with weak undulations. Certain orientations of the sphere with respect to the directions of propagation and the electric field of the incident plane wave make it highly susceptible to detection in a monostatic configuration, whereas other orientations make it much less vulnerable to detection. Impedance match to the ambient free space decreases backscattering efficiency significantly, although anisotropy prevents null backscattering.
AB - An exact transition matrix was formulated for electromagnetic scattering by an orthorhombic dielectric-magnetic sphere whose permeability dyadic is a scalar multiple of its permittivity dyadic. Calculations were made for plane waves incident on the sphere. As the size parameter increases, the role of anisotropy evolves; multiple lobes appear in the plots of the differential scattering efficiency in any scattering plane; the total scattering, extinction, and forward-scattering efficiencies exhibit a prominent maximum each; and the absorption efficiency generally increases with weak undulations. Certain orientations of the sphere with respect to the directions of propagation and the electric field of the incident plane wave make it highly susceptible to detection in a monostatic configuration, whereas other orientations make it much less vulnerable to detection. Impedance match to the ambient free space decreases backscattering efficiency significantly, although anisotropy prevents null backscattering.
UR - http://www.scopus.com/inward/record.url?scp=84898073654&partnerID=8YFLogxK
UR - http://www.scopus.com/inward/citedby.url?scp=84898073654&partnerID=8YFLogxK
U2 - 10.1364/JOSAA.31.000089
DO - 10.1364/JOSAA.31.000089
M3 - Article
AN - SCOPUS:84898073654
VL - 31
SP - 89
EP - 100
JO - Journal of the Optical Society of America. A, Optics and image science
JF - Journal of the Optical Society of America. A, Optics and image science
SN - 1084-7529
IS - 1
ER -