Sharper Focus for a Radially Polarized Light Beam

作者: G. Leuchs , R. Dorn , S. Quabis

DOI: 10.1103/PHYSREVLETT.91.233901

关键词: PhysicsStrong focusingOpticsAnnular apertureElectric fieldLinear polarizationOptical axisCylindrical vector beamPolarization (waves)Atomic physicsLambda

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 …

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