Journal
JOURNAL OF QUANTITATIVE SPECTROSCOPY & RADIATIVE TRANSFER
Volume 162, Issue -, Pages 8-17Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.jqsrt.2015.02.010
Keywords
Scattering; Radiation Torque; Radiation Force; Acoustic Beams; Caustics; Tractor Beam
Categories
Funding
- ONR
- NASA
- Alfred P. Sloan Foundation [ONR N000141010093, ONR N000141210044]
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Experiments on radiation torques and negative radiation forces by various researchers display how the underlying wave-field geometry influences radiation forces. Other situations strongly influenced by wave-field geometry include high-order caustics present in light-scattering patterns of objects as simple as oblate drops of water or oblate bubbles of air in water. Related theoretical and experimental investigations are considered. Acoustic scattering enhancements associated with various guided waves are also examined. These include guided waves having negative group velocities and guided wave radiating wavefronts having a vanishing Gaussian curvature. (C) 2015 Elsevier Ltd. All rights reserved.
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