Near-axial rotation of nanorods by focused laser beams using dual-beam method

Hwang, Sun-Uk; Kim, Yong-Jin; Yi, Gyu-Chul; Lee, Yong-Gu

doi:doi:10.1117/1.3590196

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Journal of Nanophotonics / Volume 5 / Research Papers

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Near-axial rotation of nanorods by focused laser beams using dual-beam method

J. Nanophoton. 5, 053507 (May 13, 2011); http://dx.doi.org/10.1117/1.3590196

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Abstract

References (25)

Sun-Uk Hwang and Yong-Gu Lee

Gwangju Institute of Science and Technology (GIST), Department of Mechatronics, 261 Cheomdan-gwagiro, Buk-gu, Gwangju, 500-712, Korea

Yong-Jin Kim and Gyu-Chul Yi

Seoul National University, National Creative Research Initiative Center for Semiconductor Nanorods and Department of Physics and Astronomy, Seoul, 151-747, Korea

POSTECH, Department of Materials Science and Engineering, Pohang, Gyeongbuk, 790-784, Korea

A dual-beam method for the near-axial rotation of dielectric nanorods was devised. The method uses two laser beams, where a focused Gaussian beam holds the object in the beam axis while a focused Laguerre–Gaussian beam rotates the object. The near-axial rotation of ZnO nanorods using this method was then experimentally demonstrated, and the radial offset distance of the rotating nanorod from the beam axis was quantified via a video tracking method.

History

Received Dec 22, 2010
Accepted Apr 14, 2011
Revised Apr 12, 2011
Published online May 13, 2011

Digital Object Identifier

http://dx.doi.org/10.1117/1.3590196

Citation

Sun-Uk Hwang, Yong-Jin Kim, Gyu-Chul Yi and Yong-Gu Lee, "Near-axial rotation of nanorods by focused laser beams using dual-beam method", J. Nanophoton. 5, 053507 (May 13, 2011); http://dx.doi.org/10.1117/1.3590196