title: Performance parameters for focusing of radial polarization.
abstract: Performance parameters are presented for high-aperture radially polarized focusing systems. These can be used for comparing the focusing performance of different optical systems, including the effect of pupil filters.
authors.affiliation: Division of Bioengineering, National University of Singapore, Singapore. colin@nus.edu.sg
authors.forename: Colin J R
authors.initials: CJ
authors.lastname: Sheppard
authors.forename: Elijah Y S
authors.initials: EY
authors.lastname: Yew
mesh_terms: D000465:Algorithms; D007089:Image Enhancement / Q000379:methods*; D007090:Image Interpretation, Computer-Assisted / Q000379:methods*; D008027:Light; D008859:Microscopy, Polarization / Q000379:methods*; D015203:Reproducibility of Results; D012542:Scattering, Radiation; D012680:Sensitivity and Specificity