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Title: Study of magnetofluidic laser scattering under rotating magnetic field
Authors: Pai, Chintamani
Shalini, M.
Radha, S.
Nagarajan, R.
Ramanujan, Raju V.
Varma, Vijaykumar Babulalji
Keywords: Optical Devices
Magnetic Fields
Issue Date: 2018
Source: Pai, C., Shalini, M., Varma, V. B., Radha, S., Nagarajan, R., & Ramanujan, R. V. (2018). Study of magnetofluidic laser scattering under rotating magnetic field. AIP Conference Proceedings, 1942(1), 050126-. doi:10.1063/1.5028757
Series/Report no.: AIP Conference Proceedings
Abstract: Magnetic field driven self-assembly of magnetic nanoparticles provides wireless programmable approach for tunable magnetofluidic laser scattering. In this work, we study magnetofluidic laser scattering from a commercial aqueous magnetic fluid (EMG 707) under an external rotating magnetic field. A set-up is developed to generate rotating magnetic field for the purpose. Self-assembled magnetic nanoparticle structures in the form of chains and bundles are formed along the magnetic field. This creates a linear streak formation in the forward laser scattering. Rotating magnetic field produces rotating linear streak. We report our initial results of rotating linear streaks at 3 rpm, 6 rpm and 10 rpm and our analysis of the patterns. The studies are useful for developing magnetic fluid based optical devices.
ISSN: 0094-243X
DOI: 10.1063/1.5028757
Rights: © 2018 The Author(s) (Published by AIP). This paper was published in AIP Conference Proceedings and is made available as an electronic reprint (preprint) with permission of The Author(s) (Published by AIP). The published version is available at: []. One print or electronic copy may be made for personal use only. Systematic or multiple reproduction, distribution to multiple locations via electronic or other means, duplication of any material in this paper for a fee or for commercial purposes, or modification of the content of the paper is prohibited and is subject to penalties under law.
Fulltext Permission: open
Fulltext Availability: With Fulltext
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