Transverse and axial response of super-Gaussian rings

Juan C. Escalera; Maria Josefa Yzuel; Juan Campos

doi:10.1117/12.358415

6 July 1999 Transverse and axial response of super-Gaussian rings

Juan C. Escalera, Maria Josefa Yzuel, Juan Campos

Proceedings Volume 3572, 3rd Iberoamerican Optics Meeting and 6th Latin American Meeting on Optics, Lasers, and Their Applications; (1999) https://doi.org/10.1117/12.358415
Event: 3rd Iberoamerican Optics Meeting and 6th Latin American Meeting on Optics, Lasers, and Their Applications, 1998, Cartagena de Indias, Colombia

Abstract

Here we study the focusing properties produced by apertures having supergaussian ring profiles, which contain the narrow ring as a limiting case. The supergaussian rings are compared with equivalent ring pupils for different amplitude transmission widths. Numerical results show that both types of pupils produce superresolution with great depth of focus (DOF). Though the annular pupil produces in general higher values of the superresolution and DOF for a given amplitude transmission width, the supergaussian ring concentrates better the energy into the focus.

Citation Download Citation

Juan C. Escalera, Maria Josefa Yzuel, and Juan Campos "Transverse and axial response of super-Gaussian rings", Proc. SPIE 3572, 3rd Iberoamerican Optics Meeting and 6th Latin American Meeting on Optics, Lasers, and Their Applications, (6 July 1999); https://doi.org/10.1117/12.358415

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