Effective stiffness of rotating-glass-plate time-sharing multiple optical tweezers

Yuxuan Ren; Man Chen; Jianguang Wu; Yinmei Li

doi:10.1117/12.837429

1 December 2009 Effective stiffness of rotating glass-plate time-sharing multiple optical tweezers

Yuxuan Ren, Man Chen, Jianguang Wu, Yinmei Li

Author Affiliations +

Proceedings Volume 7507, 2009 International Conference on Optical Instruments and Technology: Optical Trapping and Microscopic Imaging; 750703 (2009) https://doi.org/10.1117/12.837429
Event: International Conference on Optical Instrumentation and Technology, 2009, Shanghai, China

Abstract

Time-sharing optical tweezers shares a single laser beam between several trap positions. The sharing rate or trap switching frequency is an extremely important parameter in time-sharing optical tweezers especially when it performs in low frequency ranges. The effective stiffness of a novel time-sharing optical tweezers is investigated with different switching frequencies. Our experimental results show that the larger the frequency is, the stiffer the trap is in low frequency range from 5Hz to 50Hz.

Citation Download Citation

Yuxuan Ren, Man Chen, Jianguang Wu, and Yinmei Li "Effective stiffness of rotating glass-plate time-sharing multiple optical tweezers", Proc. SPIE 7507, 2009 International Conference on Optical Instruments and Technology: Optical Trapping and Microscopic Imaging, 750703 (1 December 2009); https://doi.org/10.1117/12.837429

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