Electric-field-modulated light scattering near a morphological resonance of a trapped aerosol particle

S. Arnold; D. E. Spock; L. M. Folan

doi:10.1364/OL.15.001111

Electric-field-modulated light scattering near a morphological resonance of a trapped aerosol particle

S. Arnold, D. E. Spock, L. M. Folan

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

Abstract

We describe electric-field-induced fluctuations in the elastic scattering near optical resonances of a spherical aerosol particle trapped at the null point of an electrodynamic levitator. The particle is apparently driven into a quadrupolar distortion by the electromechanical stress at its surface. Our results coupled with recent theory indicate that the effect is principally due to a modulation in the frequencies of individual optical resonances, that a coherent distortion smaller than one part in 10₅ (∼0.1 nm) is detected, and that the effect may be used for a continuous probe of surface tension and bulk viscosity.

Original language	English (US)
Pages (from-to)	1111-1113
Number of pages	3
Journal	Optics Letters
Volume	15
Issue number	20
DOIs	https://doi.org/10.1364/OL.15.001111
State	Published - Oct 15 1990

ASJC Scopus subject areas

Atomic and Molecular Physics, and Optics

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10.1364/OL.15.001111

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abstract = "We describe electric-field-induced fluctuations in the elastic scattering near optical resonances of a spherical aerosol particle trapped at the null point of an electrodynamic levitator. The particle is apparently driven into a quadrupolar distortion by the electromechanical stress at its surface. Our results coupled with recent theory indicate that the effect is principally due to a modulation in the frequencies of individual optical resonances, that a coherent distortion smaller than one part in 105 (∼0.1 nm) is detected, and that the effect may be used for a continuous probe of surface tension and bulk viscosity.",

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AU - Spock, D. E.

AU - Folan, L. M.

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N2 - We describe electric-field-induced fluctuations in the elastic scattering near optical resonances of a spherical aerosol particle trapped at the null point of an electrodynamic levitator. The particle is apparently driven into a quadrupolar distortion by the electromechanical stress at its surface. Our results coupled with recent theory indicate that the effect is principally due to a modulation in the frequencies of individual optical resonances, that a coherent distortion smaller than one part in 105 (∼0.1 nm) is detected, and that the effect may be used for a continuous probe of surface tension and bulk viscosity.

AB - We describe electric-field-induced fluctuations in the elastic scattering near optical resonances of a spherical aerosol particle trapped at the null point of an electrodynamic levitator. The particle is apparently driven into a quadrupolar distortion by the electromechanical stress at its surface. Our results coupled with recent theory indicate that the effect is principally due to a modulation in the frequencies of individual optical resonances, that a coherent distortion smaller than one part in 105 (∼0.1 nm) is detected, and that the effect may be used for a continuous probe of surface tension and bulk viscosity.

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Electric-field-modulated light scattering near a morphological resonance of a trapped aerosol particle

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