Superresolution by means of polarisation, phase and amplitude pupil masks

We present a method to achieve superresolution in high numerical aperture systems. The idea is based on an extension of a pupil mask where not only the amplitude and phase of the field but also the polarisation are modulated. By spatially varying the polarisation, phase and amplitude distribution of...

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Bibliographic Details
Published in:Optics communications 2004-04, Vol.234 (1), p.119-124
Main Authors: Pereira, S.F., van de Nes, A.S.
Format: Article
Language:English
Subjects:
Diffraction
Diffraction and scattering
Exact sciences and technology
Fundamental areas of phenomenology (including applications)
High numerical aperture systems
Optics
Physics
Polarisation
Polarization
Wave optics
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Summary:We present a method to achieve superresolution in high numerical aperture systems. The idea is based on an extension of a pupil mask where not only the amplitude and phase of the field but also the polarisation are modulated. By spatially varying the polarisation, phase and amplitude distribution of the field in the pupil we can optimise the field distribution in the focal region in order to obtain a decrease in the lateral spot-size. Polarisation adds a new degree of freedom and leads to interesting results as shown in this paper.
ISSN:0030-4018
1873-0310
DOI:10.1016/j.optcom.2004.02.020