作者: G. Leuchs , R. Dorn , S. Quabis
DOI: 10.1103/PHYSREVLETT.91.233901
关键词: Physics 、 Strong focusing 、 Optics 、 Annular aperture 、 Electric field 、 Linear polarization 、 Optical axis 、 Cylindrical vector beam 、 Polarization (waves) 、 Atomic physics 、 Lambda
摘要: … our knowledge the smallest measured spot size that … focal spot. For a radially polarized field distribution with annular aperture, the focal spot size was reduced to the smallest focal spot …