Characterizing and tracking single colloidal particles with video holographic microscopy

Sang Hyuk Lee; Yohai Roichman; Gi Ra Yi; Shin Hyun Kim; Seung Man Yang; Alfons Van Blaaderen; Peter Van Oostrum; David G. Grier

doi:10.1364/OE.15.018275

Characterizing and tracking single colloidal particles with video holographic microscopy

Sang Hyuk Lee, Yohai Roichman, Gi Ra Yi, Shin Hyun Kim, Seung Man Yang, Alfons Van Blaaderen, Peter Van Oostrum, David G. Grier

Research output: Contribution to journal › Article › peer-review

Abstract

We use digital holographic microscopy and Mie scattering theory to simultaneously characterize and track individual colloidal particles. Each holographic snapshot provides enough information to measure a colloidal sphere's radius and refractive index to within 1%, and simultaneously to measure its three-dimensional position with nanometer in-plane precision and 10 nanometer axial resolution.

Original language	English (US)
Pages (from-to)	18275-18282
Number of pages	8
Journal	Optics Express
Volume	15
Issue number	26
DOIs	https://doi.org/10.1364/OE.15.018275
State	Published - Dec 24 2007

ASJC Scopus subject areas

Atomic and Molecular Physics, and Optics

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AU - Roichman, Yohai

AU - Yi, Gi Ra

AU - Kim, Shin Hyun

AU - Yang, Seung Man

AU - Van Blaaderen, Alfons

AU - Van Oostrum, Peter

AU - Grier, David G.

PY - 2007/12/24

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AB - We use digital holographic microscopy and Mie scattering theory to simultaneously characterize and track individual colloidal particles. Each holographic snapshot provides enough information to measure a colloidal sphere's radius and refractive index to within 1%, and simultaneously to measure its three-dimensional position with nanometer in-plane precision and 10 nanometer axial resolution.

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Characterizing and tracking single colloidal particles with video holographic microscopy

Abstract

ASJC Scopus subject areas

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