Theoretical analysis on particle manipulation of the optical tweezers arrays system

Qin Li; Wanli Feng; Chu Wang; Qun Cao; Xiaoming Hu; Dingguo Sha; Jiaming Lin; Dejun Zhu

doi:10.1117/12.741477

1 May 2007 Theoretical analysis on particle manipulation of the optical tweezers arrays system

Qin Li, Wanli Feng, Chu Wang, Qun Cao, Xiaoming Hu, Dingguo Sha, Jiaming Lin, Dejun Zhu

Proceedings Volume 6534, Fifth International Conference on Photonics and Imaging in Biology and Medicine; 653415 (2007) https://doi.org/10.1117/12.741477
Event: Fifth International Conference on Photonics and Imaging in Biology and Medicine, 2006, Wuhan, China

Abstract

In biological scientific research, separating biological macromolecules or cells in liquid is always a challenging job. Optical tweezers have been a valuable research tool since their invention in the 1980s. One of the most important developments in optical tweezers in recent years has been the creation of two-dimensional arrays of optical traps. In this paper, a method based on interference is discussed to form the gradient laser fields, which may cause spatial modulation of the concentration of particles. The parameters related with the optical tweezers array are discussed in detail and simulated by Matlab software to show the impact factor of the important parameters for the concentration distribution of the particles. The spatial redistribution of particles in a laser interference field could be also predicted according the theoretical analysis.

Citation Download Citation

Qin Li, Wanli Feng, Chu Wang, Qun Cao, Xiaoming Hu, Dingguo Sha, Jiaming Lin, and Dejun Zhu "Theoretical analysis on particle manipulation of the optical tweezers arrays system", Proc. SPIE 6534, Fifth International Conference on Photonics and Imaging in Biology and Medicine, 653415 (1 May 2007); https://doi.org/10.1117/12.741477

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