Abstract

We describe the transmission characteristics for the interaction of an arbitrary beam with (possibly multilayered) spherical particles of arbitrary size and electric permeability. Within the generalized Lorenz–Mie theory, expressions that generalize the total cross sections to their fractional counterparts are presented, which allow for an analytic quantification of transmission signals, both on-axis and off-axis. For Gaussian (Davis) beams, the relative angular domain of collection as compared to the beam’s angle of divergence determines sensitively the shape and magnitude of the interference signal. Depending on the particle’s position within the beam, the transmission signatures related to a pure energy redistribution as well as to accompanying absorption are discussed for Rayleigh particles in terms of their complex-valued polarizability. Implications for positioning, temperature control, spectroscopy, and optimized extinction measurements are discussed.

© 2014 Optical Society of America

Full Article  |  PDF Article
OSA Recommended Articles
Intrinsic optical torque of cylindrical vector beams on Rayleigh absorptive spherical particles

Manman Li, Shaohui Yan, Baoli Yao, Ming Lei, Yanlong Yang, Junwei Min, and Dan Dan
J. Opt. Soc. Am. A 31(8) 1710-1715 (2014)

Optical force on a large sphere illuminated by Bessel beams: comparisons between ray optics method and generalized Lorenz–Mie theory

Shukun Song, Neng Wang, Wanli Lu, and Zhifang Lin
J. Opt. Soc. Am. A 31(10) 2192-2197 (2014)

Gaussian beam photothermal single particle microscopy

Markus Selmke, Marco Braun, and Frank Cichos
J. Opt. Soc. Am. A 29(10) 2237-2241 (2012)

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 (10)

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 (54)

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