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--- app:optical_force [2025/02/19 10:27] – created - external edit 127.0.0.1
+++ app:optical_force [2025/02/19 14:52] (current) – admin
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 {{ :app:e_force_model.png?200|}}
-Image on the right shows a scheme of the computational volume used for the simulation. A normally incident plane wave with chosen wavelength (here 1 um) was entered into computational volume using Total/Scattered field (TSF) approach. A dielectric sphere was placed in the computational volume and a box for force calculation was placed over it. Whole computational volume was terminated by an absorbing boundary condition. To calculate dependence of the force on spherical particle permittivity or size, we performed single computation for every permittivity or size. To obtain such a dependence therefore needs significant amount of time. On the other hand, also particles of different shape than sphere could be introduced easily using the same approach which is a benefit over some simpler computational methods. If dependency on wavelength is calculated, it could be also in principle speeded up by broadband excitation.
+Image on the right shows a scheme of the computational volume used for the simulation. A normally incident plane wave with chosen wavelength (here 1 µm) was entered into computational volume using Total/Scattered field (TSF) approach. A dielectric sphere was placed in the computational volume and a box for force calculation was placed over it. Whole computational volume was terminated by an absorbing boundary condition. To calculate dependence of the force on spherical particle permittivity or size, we performed single computation for every permittivity or size. To obtain such a dependence therefore needs significant amount of time. On the other hand, also particles of different shape than sphere could be introduced easily using the same approach which is a benefit over some simpler computational methods. If dependency on wavelength is calculated, it could be also in principle speeded up by broadband excitation.