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Improvement of Transverse Trapping Efficiency of Optical Tweezers |
MENG Bing-Huan;ZHOU Jin-Hua;ZHONG Min-Cheng;LI Yin-Mei;WU Jian-Guang;REN Hong-Liang |
| 1Department of Physics, University of Science and Technology of China, Hefei 2300262Hefei National Laboratory for Physical Sciences at the Microscales, University of Science and Technology of China, Hefei 230026 |
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MENG Bing-Huan, ZHOU Jin-Hua, ZHONG Min-Cheng et al 2008 Chin. Phys. Lett. 25 2300-2302 |
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Abstract Transverse trapping efficiency of optical tweezers is important in many force measurement applications. For improving the transverse trapping efficiency, we propose a simple scheme in which the Gaussian beam does not fully cover the aperture of the objective. Both experiment and theoretical simulation
qualitatively demonstrate the scheme. It is expected that the results will be useful for the design of optical tweezers.
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| Keywords:
87.80.Cc
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Received: 02 March 2008
Published: 31 May 2008
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