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Proceedings Paper

Optical trapping of Janus particles
Author(s): Hyuk Wang; Srijanani Bhaskar; Joerg Lahann; Yong-Gu Lee
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Paper Abstract

Janus particles are composed of two fused hemispheres of different substances. Such an anisotropic structure results in different trapping characteristics under a focused laser beam. In this paper, we show the axial and transversal trapping forces of Janus particles under a focused laser beam and discuss the conditions that would result in stable trapping. We also show the performed experiments and the applied numerical simulations using the Finite Difference Time Domain method.

Paper Details

Date Published: 29 August 2008
PDF: 8 pages
Proc. SPIE 7038, Optical Trapping and Optical Micromanipulation V, 703813 (29 August 2008); doi: 10.1117/12.794704
Show Author Affiliations
Hyuk Wang, Gwangju Institute of Science and Technology (Korea, Republic of)
Srijanani Bhaskar, Univ. of Michigan (United States)
Joerg Lahann, Univ. of Michigan (United States)
Yong-Gu Lee, Gwangju Institute of Science and Technology (Korea, Republic of)


Published in SPIE Proceedings Vol. 7038:
Optical Trapping and Optical Micromanipulation V
Kishan Dholakia; Gabriel C. Spalding, Editor(s)

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