[1] MUN J, KIM M, YANG Y, et al. Electromagnetic chirality: from fundamentals to nontraditional chiroptical phenomena[J]. Light: Science & Applications, 9, 139(2020).

[2] TANG Y Q, COHEN A E. Optical chirality and its interaction with matter[J]. Physical Review Letters, 104, 163901(2010).

[3] ZHAO Y, ASKARPOUR A N, SUN L Y, et al. Chirality detection of enantiomers using twisted optical metamaterials[J]. Nature Communications, 8, 14180(2017).

[4] TANG Y Q, COHEN A E. Enhanced enantioselectivity in excitation of chiral molecules by superchiral light[J]. Science, 332, 333-336(2011).

[5] NI J C, LIU S L, WU D, et al. Gigantic vortical differential scattering as a monochromatic probe for multiscale chiral structures[J]. Proceedings of the National Academy of Sciences of the United States of America, 118, e2020055118(2021).

[6] KIM M, RHO J. Plasmonic-enhanced chirality examined by generalized wavenumber eigenvalue simulation[J]. Optics Express, 26, 14051-14057(2018).

[7] ROSALES-GUZMÁN C, VOLKE-SEPULVEDA K, TORRES J P. Light with enhanced optical chirality[J]. Optics Letters, 37, 3486-3488(2012).

[8] HU H F, ZHAN Q W. Enhanced chiral Mie scattering by a dielectric sphere within a superchiral light field[J]. Physics, 3, 747-756(2021).

[9] YAO K, LIU Y M. Enhancing circular dichroism by chiral hotspots in silicon nanocube dimers[J]. Nanoscale, 10, 8779-8786(2018).

[10] HU H F, GAN Q Q, ZHAN Q W. Generation of a nondiffracting superchiral optical needle for circular dichroism imaging of sparse subdiffraction objects[J]. Physical Review Letters, 122, 223901(2019).

[11] HU H F, ZHAN Q W. Chirality measurements using orbital angular momentum of light[J]. Chinese Journal of Quantum Electronics, 39, 272-285(2022).

[12] HU H F, GAN Q Q, ZHAN Q W. Achieving maximum scattering circular dichroism through the excitation of anapole states within chiral Mie nanospheres[J]. Physical Review B, 105, 245412(2022).

[13] GANIC D, GAN X S, GU M. Focusing of doughnut laser beams by a high numerical-aperture objective in free space[J]. Optics Express, 11, 2747-2752(2003).

[14] KIM J, WANG Y, ZHANG X. Calculation of vectorial diffraction in optical systems[J]. Journal of the Optical Society of America A, 35, 526-535(2018).

[15] YOUNGWORTH K S, BROWN T G. Focusing of high numerical aperture cylindrical-vector beams[J]. Optics Express, 7, 77-87(2000).

[16] ZHAN Q W. Cylindrical vector beams: from mathematical concepts to applications[J]. Advances in Optics and Photonics, 1, 1-57(2009).

[17] BOHREN C F. Light scattering by an optically active sphere[J]. Chemical Physics Letters, 29, 458-462(1974).

[18] [18] MISHCHENKO M I, TRAVIS L D, LACIS A A. Scattering, absption, emission of light by small particles[M]. Cambridge: Cambridge University Press, 2002.