Optical alignment of a cylindrical object.

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Optical alignment of a cylindrical object.

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dc.contributor.author Song, Chaolong.
dc.contributor.author Nguyen, Nam-Trung.
dc.contributor.author Asundi, Anand Krishna.
dc.date.accessioned 2012-05-10T01:09:11Z
dc.date.available 2012-05-10T01:09:11Z
dc.date.copyright 2009
dc.date.issued 2012-05-10
dc.identifier.citation Song, C. L., Nguyen, N. T., & Asundi, A. K. (2009). Optical Alignment of a Cylindrical Object. Journal of Optics A-Pure and Applied Optics, 11(3).
dc.identifier.uri http://hdl.handle.net/10220/7828
dc.description.abstract This paper reports the use of theory of geometrical optics to analyze how an optical field interacts with a cylindrical object. Of great interest is the mechanism with which a laser beam with a special profile manipulates a particle which has a similar shape as the beam profile. The present paper investigates the interaction between a cylinder-shape fiber and a laser beam with a line-shape profile. Based on the Fresnel equation, a numerical model was formulated to describe the optical torque generated by a projected line-shape optical image. The drag force was also considered in the model to accurately describe the fiber's movement in a liquid. A differential equation is established to describe this damped movement of the cylinder. Parametric analysis was carried out to investigate the influence of the beam power and the liquid viscosity as well as the density, the length, and the diameter of the cylindrical object. The movement of a carbon fiber was measured with a CCD camera. The observed experimental results agree well with the theoretical results.
dc.format.extent 17 p.
dc.language.iso en
dc.relation.ispartofseries Journal of optics A: pure and applied optics
dc.rights © 2009 IOP Publishing Ltd. This is the author created version of a work that has been peer reviewed and accepted for publication in Journal of optics A: pure and applied optics, published IOP Publishing Ltd. It incorporates referee’s comments but changes resulting from the publishing process, such as copyediting, structural formatting, may not be reflected in this document. The published version is available at: http://dx.doi.org/10.1088/1464-4258/11/3/034008.
dc.subject DRNTU::Engineering::Mechanical engineering.
dc.title Optical alignment of a cylindrical object.
dc.type Journal Article
dc.contributor.school School of Mechanical and Aerospace Engineering
dc.identifier.doi http://dx.doi.org/10.1088/1464-4258/11/3/034008
dc.description.version Accepted version

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