title: Beam width of highly-focused radially-polarized fields.
authors.affiliation: Departamento de Óptica, Facultad de Ciencias Físicas, Universidad Complutense de Madrid, 28040-Madrid, Spain.
authors.forename: R
authors.initials: R
authors.lastname: Martínez-Herrero
authors.forename: P M
authors.initials: PM
authors.lastname: Mejías
authors.forename: A
authors.initials: A
authors.lastname: Manjavacas