Trapping solid aerosols with optical tweezers: A comparison between gas and liquid phase optical traps

M. D. Summers; D. R. Burnham; D. McGloin

doi:10.1364/OE.16.007739

Trapping solid aerosols with optical tweezers: A comparison between gas and liquid phase optical traps

M. D. Summers, D. R. Burnham, D. McGloin^*

^*Corresponding author for this work

Physics

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

63 Citations (Scopus)

Abstract

We demonstrate a method for the optical trapping of solid aerosol particles. Suspension of silica particles in ethanol allows their delivery to the trapping volume using a commercial medical nebulizer. The ethanol quickly evaporates, leaving the solid particles trapped in air. We use the technique to make comparisons between aerosol and colloid tweezing through power spectra analysis of the particle's positions fluctuations for identical particles trapped in a water or air suspending medium.

Original language	English
Pages (from-to)	7739-7747
Number of pages	9
Journal	Optics Express
Volume	16
Issue number	11
DOIs	https://doi.org/10.1364/OE.16.007739
Publication status	Published - 26 May 2008

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AB - We demonstrate a method for the optical trapping of solid aerosol particles. Suspension of silica particles in ethanol allows their delivery to the trapping volume using a commercial medical nebulizer. The ethanol quickly evaporates, leaving the solid particles trapped in air. We use the technique to make comparisons between aerosol and colloid tweezing through power spectra analysis of the particle's positions fluctuations for identical particles trapped in a water or air suspending medium.

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Trapping solid aerosols with optical tweezers: A comparison between gas and liquid phase optical traps

Abstract

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