Shaping the focal field of radially/azimuthally polarized phase vortex with Zernike polynomials

Lei Wei; Paul Urbach

doi:10.1088/2040-8978/18/6/065608

Shaping the focal field of radially/azimuthally polarized phase vortex with Zernike polynomials

Lei Wei, Paul Urbach

ImPhys/Optics

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6 Citations (Scopus)

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Abstract

The focal field properties of radially/azimuthally polarized Zernike polynomials are studied. A method to design the pupil field in order to shape the focal field of radially or azimuthally polarized phase vortex is introduced. With this method, we are able to obtain a pupil field to achieve a longitudinally polarized hollow spot with a depth of focus up to 12Y and 0.28Y lateral resolution (FWHM) for an optical system with numerical aperture 0.99; a pupil field to generate eight focal spots along the optical axis is also obtained with this method.

Original language	English
Article number	065608
Number of pages	8
Journal	Journal of Optics
Volume	18
Issue number	6
DOIs	https://doi.org/10.1088/2040-8978/18/6/065608
Publication status	Published - 2016

Bibliographical note

Accepted Author Manuscript

Keywords

pupil engineering
optical vortices
Zernike polynomials

Access to Document

10.1088/2040-8978/18/6/065608

journal_Optics_ENZ_accepted_versionAccepted author manuscript, 891 KB

Cite this

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abstract = "The focal field properties of radially/azimuthally polarized Zernike polynomials are studied. A method to design the pupil field in order to shape the focal field of radially or azimuthally polarized phase vortex is introduced. With this method, we are able to obtain a pupil field to achieve a longitudinally polarized hollow spot with a depth of focus up to 12Y and 0.28Y lateral resolution (FWHM) for an optical system with numerical aperture 0.99; a pupil field to generate eight focal spots along the optical axis is also obtained with this method.",

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AU - Urbach, Paul

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N2 - The focal field properties of radially/azimuthally polarized Zernike polynomials are studied. A method to design the pupil field in order to shape the focal field of radially or azimuthally polarized phase vortex is introduced. With this method, we are able to obtain a pupil field to achieve a longitudinally polarized hollow spot with a depth of focus up to 12Y and 0.28Y lateral resolution (FWHM) for an optical system with numerical aperture 0.99; a pupil field to generate eight focal spots along the optical axis is also obtained with this method.

AB - The focal field properties of radially/azimuthally polarized Zernike polynomials are studied. A method to design the pupil field in order to shape the focal field of radially or azimuthally polarized phase vortex is introduced. With this method, we are able to obtain a pupil field to achieve a longitudinally polarized hollow spot with a depth of focus up to 12Y and 0.28Y lateral resolution (FWHM) for an optical system with numerical aperture 0.99; a pupil field to generate eight focal spots along the optical axis is also obtained with this method.

KW - pupil engineering

KW - optical vortices

KW - Zernike polynomials

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M1 - 065608

ER -

Shaping the focal field of radially/azimuthally polarized phase vortex with Zernike polynomials

Abstract

Bibliographical note

Keywords

Access to Document

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