A new study on the interaction of structured Laguerre-Bessel-Gaussian beam with a chiral medium
Using the Huygens-Fresnel diffraction integral, the electric field distribution of the Laguerre-Bessel-Gaussian (LBG) beam in a chiral medium is analytically expressed. The findings demonstrate that the LBG beam is divided into two parts: a right circularly polarized (RCP) beam and a left circularly polarized (LCP) beam. The chiral parameter, wavelength, and orders of the Bessel and Laguerre beams are affected by different propagation trajectories. The left circularly polarized beam was observed to accelerate more quickly than the right circularly polarized beam during propagation, and this acceleration was dependent on the chiral parameter. With an increase in the chiral parameter, the RLP beams decreased, and the LCP beams accelerated. The results of this investigation will be useful in optical manipulation and sorting applications.
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