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Title: Imaging using cylindrical vector beams in a highnumerical-aperture microscopy system
Authors: Chen, R.
Agarwal, K. 
Sheppard, C.J.R.
Chen, X. 
Issue Date: 2013
Source: Chen, R., Agarwal, K., Sheppard, C.J.R., Chen, X. (2013). Imaging using cylindrical vector beams in a highnumerical-aperture microscopy system. Optics Letters 38 (16) : 3111-3114. ScholarBank@NUS Repository.
Abstract: Imaging of object structures using cylindrical vector beams in an aplanatic solid immersion lens (SIL) microscope is investigated. Based on a complete optical model of an aplanatic SIL microscope, images of some object structures using radial polarization, azimuthal polarization, and azimuthal vortex beams are simulated. Some interesting imaging effects of these object structures are observed. For example, counterintuitively, it is found that, compared to linear and circular polarizations, radial polarization requires a larger pinhole to acquire a good image and resolution. Similarly, it is shown that an azimuthal vortex beam provides good images for a variety of object structures and pinhole sizes. Theories and explanations are provided to justify the observed effects. The presented results play an important role in high-numerical-aperture optical imaging. © 2013 Optical Society of America.
Source Title: Optics Letters
ISSN: 01469592
DOI: 10.1364/OL.38.003111
Appears in Collections:Staff Publications

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