Continuously rotating chiral liquid crystal droplets in a linearly polarized laser trap
Yang, Y. and Brimicombe, P.D. and Roberts, N.W. and Dickinson, M.R. and Osipov, M.A. and Gleeson, H.F. (2008) Continuously rotating chiral liquid crystal droplets in a linearly polarized laser trap. Optics Express, 16 (10). pp. 6877-6882. ISSN 1094-4087 (http://dx.doi.org/10.1364/OE.16.006877)
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The transfer of optical angular momentum to birefringent particles via circularly polarized light is common. We report here on the unexpected, continuous rotation of chiral nematic liquid crystal droplets in a linearly polarized optical trap. The rotation is non-uniform, occurs over a timescale of seconds, and is observed only for very specific droplet sizes. Synchronized vertical motion of the droplet occurs during the rotation. The motion is the result of photo-induced molecular reorganization, providing a micron sized opto-mechanical transducer that twists and translates.
ORCID iDs
Yang, Y., Brimicombe, P.D., Roberts, N.W., Dickinson, M.R., Osipov, M.A. ORCID: https://orcid.org/0000-0002-1836-1854 and Gleeson, H.F.;-
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Item type: Article ID code: 19648 Dates: DateEvent12 May 2008PublishedKeywords: optical angular momentum, birefringent particles, circularly polarized light, chiral nematic liquid, crystal droplet, rotation, Optics. Light, Mathematics, Atomic and Molecular Physics, and Optics Subjects: Science > Physics > Optics. Light
Science > MathematicsDepartment: Faculty of Science > Mathematics and Statistics Depositing user: Strathprints Administrator Date deposited: 04 Jun 2010 09:26 Last modified: 05 Jan 2024 20:03 URI: https://strathprints.strath.ac.uk/id/eprint/19648