Numbers of stable equilibrium points of  beams in vacuum optical tweezers based on Mento Carlo method

Jingjing Su; Nan Li; Jiapeng Mou; Yishi Liu; Xingfan Chen; Huizhu Hu

doi:10.1117/12.2601235

9 October 2021 Numbers of stable equilibrium points of beams in vacuum optical tweezers based on Mento Carlo method

Jingjing Su, Nan Li, Jiapeng Mou, Yishi Liu, Xingfan Chen, Huizhu Hu

Proceedings Volume 11895, Optical Design and Testing XI; 118950Z (2021) https://doi.org/10.1117/12.2601235
Event: SPIE/COS Photonics Asia, 2021, Nantong, JS, China

Conference Poster

Abstract

In this paper, the gradient force and scattering force of two kinds of different sinusoidal modulated Gaussian beams (SMGBs(n=2), SMGB (n=4)) and Gaussian beam (Gb) are analyzed, and their ability to capture particles are studied. It is found that sinusoidal modulated Gaussian beams have multiple stable capture positions at the focal plane than Gaussian beam. Under the same circumstance, Monte Carlo stochastic simulation method is used to simulate the tendency characteristics of particles under the effect of gradient force and scattering force, which verifies the theoretical analysis results. Therefore, the research results of this paper have certain guiding significance in the experiment and application of multi-position optical tweezers.

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Jingjing Su, Nan Li, Jiapeng Mou, Yishi Liu, Xingfan Chen, and Huizhu Hu "Numbers of stable equilibrium points of beams in vacuum optical tweezers based on Mento Carlo method", Proc. SPIE 11895, Optical Design and Testing XI, 118950Z (9 October 2021); https://doi.org/10.1117/12.2601235

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