Issue 47, 2009
From the journal:

Physical Chemistry Chemical Physics

Manipulation and characterisation of accumulation and coarse mode aerosol particles using a Bessel beam trap

Helena Meresman,a   Jon B. Wills,a   Michael Summers,b   David McGloinc  and  Jonathan P. Reid*a  

* Corresponding authors

a School of Chemistry, University of Bristol, Bristol, UK
E-mail: j.p.reid@bristol.ac.uk

b Physical and Theoretical Chemistry, University of Oxford, Oxford, UK

c SUPA, Electronic Engineering and Physics Division, University of Dundee, Dundee, UK

Abstract

Micron and sub-micron sized aerosol particles are captured, manipulated and characterised in a Bessel beam optical trap. Bright field microscopy and elastic light scattering measurements are used in combination to interrogate trapped particles and explore the optical landscape of the trap. We conclude that the Bessel trap has a number of advantages over optical tweezers in terms of characterisation of accumulation mode particles, manipulation of particles over macroscopic length scales and effective control of the gas phase. As such, the Bessel trap is a valuable addition to the aerosol optical toolkit.

Graphical abstract: Manipulation and characterisation of accumulation and coarse mode aerosol particles using a Bessel beam trap

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Article information

DOI
https://doi.org/10.1039/B914165K
Article type
Paper
Submitted
15 Jul 2009
Accepted
16 Sep 2009
First published
05 Nov 2009

Phys. Chem. Chem. Phys., 2009,11, 11333-11339

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Manipulation and characterisation of accumulation and coarse mode aerosol particles using a Bessel beam trap

H. Meresman, J. B. Wills, M. Summers, D. McGloin and J. P. Reid, Phys. Chem. Chem. Phys., 2009, 11, 11333 DOI: 10.1039/B914165K

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