Toward a spherical spot distribution with 4pi focusing of radially polarized light |
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| Authors: | Bokor Nándor Davidson Nir |
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| Affiliation: | Department of Physics, Budapest University of Technology and Economics, Budapest 1111, Hungary. nandor.bokor@weizmann.ac.il |
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| Abstract: | ![]()
The properties of the focal spot for 4pi focusing with radially polarized light are presented for various apodization factors. With a focusing system satisfying the Herschel condition, sharp focal spots with almost-perfect spherical symmetry (leading to equal axial and transverse resolution) and extremely low sidelobes are achieved. |
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