Bulletin of the American Physical Society
APS March Meeting 2020
Volume 65, Number 1
Monday–Friday, March 2–6, 2020; Denver, Colorado
Session W01: Nonlinear optics, quantum optics, and optical devices
8:00 AM–11:00 AM,
Friday, March 6, 2020
Sponsoring Unit: DAMOP
Chair: Alicia Kollar, University of Maryland, College Park
Abstract: W01.00003 : Decomposition of optical force into gradient and scattering parts*
(Department of Physics, Cornell University)
(Guangxi University of Science and Technology)
(The Hong Kong University of Science and Technology)
(China University of Mining and Technology)
(Southern University of Science and Technology)
Nevertheless, although its importance in understanding optical micromanipulation is recognized, these forces are only calculated for particles small or large compare to the light wavelength. Their true profiles for Mie sized particles, which are the most commonly encountered particles in real experiment, were not available. The difficulty lies in the complicated mathematics.
Here, we report several algorithms we developed to calculate the decomposed force for spherical particle with arbitrary size and composition and present some interesting results calculated by these algorithms [1-4].
 J. Du et. al., Sci. Rep. 7, 18042, (2017).
 Y. Jiang et. al., arXiv:1604.05138.
 H. Zheng et. al., Comput. Phys. Commun. 237, 188 (2019).
 Y. Jiang et. al., accepted by ACS Photonics, 10.1021/acsphotonics.9b00746
*NSFC Grant No. 11574055, National Key R&D Program of China (Grant Nos.
2018YFA0306201 and 2016YFA0301103)
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