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24 April 2013 Design of hybrid optical tweezers system for controlled three-dimensional micromanipulation
Yoshio Tanaka, Shogo Tsutsui, Hiroyuki Kitajima
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Funded by: JSPS KAKENHI
Optical Engineering, Vol. 52, Issue 4, 043002 (April 2013). https://doi.org/10.1117/1.OE.52.4.043002
Abstract
Three-dimensional (3D) micro/nano-manipulation using optical tweezers is a significant technique for various scientific fields ranging from biology to nanotechnology. For the dynamic handling of multiple/individual micro-objects in a true 3D working space, we present an improved hybrid optical tweezers system consisting of two multibeam techniques. These two techniques include the generalized phase contrast method with a spatial light modulator and the time-shared scanning method with a two-axis steering mirror and an electrically focus-tunable lens. Unlike our previously reported system that could only handle micro-objects in a two and half dimensional working space, the present system has high versatility for controlled manipulation of multiple micro-objects in a true 3D working space. The controlled rotation of five beads forming a pentagon, that of four beads forming a tetrahedron about arbitrary axes, and the fully automated assembly and subsequent 3D translation of micro-bead arrays are successfully demonstrated as part of the 3D manipulation experiment.
CC BY: © The Authors. Published by SPIE under a Creative Commons Attribution 4.0 Unported License. Distribution or reproduction of this work in whole or in part requires full attribution of the original publication, including its DOI.
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Yoshio Tanaka, Shogo Tsutsui, and Hiroyuki Kitajima "Design of hybrid optical tweezers system for controlled three-dimensional micromanipulation," Optical Engineering 52(4), 043002 (24 April 2013). https://doi.org/10.1117/1.OE.52.4.043002
Published: 24 April 2013
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Cited by 7 scholarly publications.
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KEYWORDS
Optical tweezers
Optical design
3D image processing
Control systems design
Video
Control systems
Spatial light modulators
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