Expand this Topic clickable element to expand a topic
Skip to content
Optica Publishing Group

Robust determination of the anisotropic polarizability of nanoparticles using coherent confocal microscopy

Not Accessible

Your library or personal account may give you access

Abstract

A coherent confocal microscope is proposed as a means to fully characterize the elastic scattering properties of a nanoparticle as a function of wavelength. Using a high numerical aperture lens, two-dimensional scanning, and a simple vector-beam shaper, the rank-2 polarizability tensor is estimated from a single confocal image. A method for computationally efficient data processing is described, and numerical simulations show that this algorithm is robust to noise and uncertainty in the focal plane position. The proposed method is a generalization of techniques that provide an estimate of a limited set of scattering parameters, such as a single orientation angle for rodlike particles. The measurement of the polarizability obviates the need for a priori assumptions about the nanoparticle.

© 2008 Optical Society of America

Full Article  |  PDF Article
More Like This
Polarization microscopy with stellated gold nanoparticles for robust, in-situ monitoring of biomolecules

Jesse Aaron, Elder de la Rosa, Kort Travis, Nathan Harrison, Justin Burt, Miguel José-Yacamán, and Konstantin Sokolov
Opt. Express 16(3) 2153-2167 (2008)

Scattering polarization by anisotropic biomolecules

Tsu-Wei Nee, Soe-Mie F. Nee, De-Ming Yang, and Yu-Shan Huang
J. Opt. Soc. Am. A 25(5) 1030-1038 (2008)

Group refractive index reconstruction with broadband interferometric confocal microscopy

Daniel L. Marks, Simon C. Schlachter, Adam M. Zysk, and Stephen A. Boppart
J. Opt. Soc. Am. A 25(5) 1156-1164 (2008)

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 Optica member, or as an authorized user of your institution.

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

Figures (11)

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

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

Equations (25)

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

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

Select as filters


Select Topics Cancel
© Copyright 2024 | Optica Publishing Group. All Rights Reserved