Manipulation of Metal Nanoparticles using Fiber-Optic Laser Tweezers with a Microspherical Focusing Lens
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概要
- 論文の詳細を見る
This paper describes the laser manipulation of metal nanoparticles and dielectric particles by fiber-optic laser tweezers with a microspherical focusing lens. In this manner, a small ball lens attached to the end of the core focuses light guided through a single-mode optical fiber. Numerical electromagnetic analysis of the microfocusing structure showed the possibility of metal nanoparticle trapping with this method. An effective focus allows metallic particles located in the path of the focused light to be attracted to the center of the beam path and to be two-dimensionally trapped on a substrate. In the experiment, manipulation of Au nanoparticles with diameters of 40, 100, and 200 nm was demonstrated. In addition to metallic samples, manipulation of dielectric particles with 1 and 3 μm diameters was also demonstrated using the same configuration, showing the extended capability of the fiber-optic laser manipulator.
- Published by the Japan Society of Applied Physics through the Institute of Pure and Applied Physicsの論文
- 2006-01-15
著者
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Umeda Norihiro
Department Of Industrial Mechanical Engineering Faculty Of Technology Tokyo University Of Agricultur
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Numata Takayuki
Department Of Mechanical Systems Engineering Tokyo University Of Agriculture And Technology
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Otani Yukitoshi
Department Of Mechanical System Engineering Faculty Of Engineering Tokyo University Of Agriculture A
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Takayanagi Atsuo
Department Of Mechanical Systems Engineering Faculty Of Technology Tokyo University Of Agriculture A
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Umeda Norihiro
Department of Mechanical Systems Engineering, Faculty of Technology, Tokyo University of Agriculture and Technology, Nakacho 2-24-16, Koganei, Tokyo 184-8588, Japan
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Numata Takayuki
Department of Mechanical Systems Engineering, Faculty of Technology, Tokyo University of Agriculture and Technology, Nakacho 2-24-16, Koganei, Tokyo 184-8588, Japan
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Takayanagi Atsuo
Department of Mechanical Systems Engineering, Faculty of Technology, Tokyo University of Agriculture and Technology, Nakacho 2-24-16, Koganei, Tokyo 184-8588, Japan
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