Abstract

The extinction due to a group of identical particles in a fixed orientation is studied. An analytical description based on the Maxwell volume integral equation is presented, describing the interference energy flow due to a group of noninteracting identical particles. As compared to a single particle, the effect of multiple particles is shown to narrow the angular region around the forward direction over which the dominant contribution to the group’s extinction cross section occurs. The extinction due to a group of fully interacting nonspherical particles is studied using the discrete dipole approximation. Interparticle interactions are found not to change the essential character of the interference-based energy flow mechanism that describes extinction.

© 2008 Optical Society of America

Full Article  |  PDF Article
OSA Recommended Articles
Generalization of the optical theorem for light scattering from a particle at a planar interface

Alex Small, Jerome Fung, and Vinothan N. Manoharan
J. Opt. Soc. Am. A 30(12) 2519-2525 (2013)

Light scattering by a random distribution of particles embedded in absorbing media: diagrammatic expansion of the extinction coefficient

Stéphane Durant, Olivier Calvo-Perez, Nicolas Vukadinovic, and Jean-Jacques Greffet
J. Opt. Soc. Am. A 24(9) 2943-2952 (2007)

Detection of Airborne Particles Using Optical Extinction Measurements

Frederick R. Faxvog
Appl. Opt. 13(8) 1913-1919 (1974)

References

You do not have subscription access to this journal. Citation lists with outbound citation links are available to subscribers only. You may subscribe either as an OSA member, or as an authorized user of your institution.

Contact your librarian or system administrator
or
Login to access OSA Member Subscription

Cited By

You do not have subscription access to this journal. Cited by links are available to subscribers only. You may subscribe either as an OSA member, or as an authorized user of your institution.

Contact your librarian or system administrator
or
Login to access OSA Member Subscription

Figures (6)

You do not have subscription access to this journal. Figure files are available to subscribers only. You may subscribe either as an OSA member, or as an authorized user of your institution.

Contact your librarian or system administrator
or
Login to access OSA Member Subscription

Equations (33)

You do not have subscription access to this journal. Equations are available to subscribers only. You may subscribe either as an OSA member, or as an authorized user of your institution.

Contact your librarian or system administrator
or
Login to access OSA Member Subscription

Metrics

You do not have subscription access to this journal. Article level metrics are available to subscribers only. You may subscribe either as an OSA member, or as an authorized user of your institution.

Contact your librarian or system administrator
or
Login to access OSA Member Subscription