Abstract
AbstractThis letter proposes a meshless hybrid implicit‐explicit radial point interpolation method (HIE‐RPIM) to simulate the scattering of the Laguerre‐Gaussian beam with orbital angular momentum (OAM) by dielectric particles. The results are verified by comparison with the finite‐difference time domain (FDTD) and the radial point interpolation method (RPIM) which shows that the HIE‐RPIM agrees well with the FDTD, and the HIE‐RPIM is about 4.9 times faster than the FDTD method and about 4.2 times faster than the RPIM. Moreover, the scattering angle of forward scattering intensity maximum is about 10° to 35° when the OAM modes are L = 1 and 2 and moves back by 5° to 15° from L = 1 to 2. The HIE‐RPIM has potential to research the scattering properties of OAM beam.
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