@article{A. Alonso2017, author = "Miguel A. Alonso and Riccardo Borghi and Massimo Santarsiero", title = "{Media 2: New basis for rotationally symmetric nonparaxial fields in terms of spherical waves with complex foci}", year = "2017", month = "4", url = "https://opticapublishing.figshare.com/articles/media/Media_2_New_basis_for_rotationally_symmetric_nonparaxial_fields_in_terms_of_spherical_waves_with_complex_foci/4934570", doi = "10.1364/OE.14.006894.m002" }