CROSS-DISCIPLINARY PHYSICS AND RELATED AREAS OF SCIENCE AND TECHNOLOGY |
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Stability of Novel Time-Sharing Dual Optical Tweezers Using a Rotating Tilt Glass Plate |
REN Yu-Xuan1,2, WU Jian-Guang1,2, CHEN Man2, LI Huang2, LI Yin-Mei1,2,3 |
1Hefei National Laboratory for Physical Sciences at the Microscale, University of Science and Technology of China, Hefei 2300262Department of Physics, University of Science and Technology of China, Hefei 2300263Anhui Key Laboratory for Optoelectronic Science and Technology, University of Science and Technology of China, Hefei 230026 |
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Cite this article: |
REN Yu-Xuan, WU Jian-Guang, CHEN Man et al 2010 Chin. Phys. Lett. 27 028703 |
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Abstract A novel realization of time-sharing optical tweezers (TSOT) is demonstrated using a tilt glass plate. Objects are trapped in the time-sharing dual traps; each of them acts like a single beam gradient trap with an effective stiffness. The effective stiffness of TSOT is experimentally measured through analysis of dynamical images. In comparison, it is numerically calculated by adopting the Monte Carlo technique. Both simulation and experimental results agree well with each other and show a good linear relationship between the effective stiffness and trap switching frequency in the range from 5 Hz to 70 Hz.
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Keywords:
87.80.Cc
42.50.Wk
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Received: 28 July 2009
Published: 08 February 2010
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PACS: |
87.80.Cc
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(Optical trapping)
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42.50.Wk
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(Mechanical effects of light on material media, microstructures and particles)
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