Please use this identifier to cite or link to this item: https://doi.org/10.1364/JOSAA.30.001426
Title: Rigorous analytical modeling of high-aperture focusing through a spherical interface
Authors: Hoang, T.X.
Chen, X. 
Sheppard, C.J.R.
Issue Date: 1-Jul-2013
Source: Hoang, T.X., Chen, X., Sheppard, C.J.R. (2013-07-01). Rigorous analytical modeling of high-aperture focusing through a spherical interface. Journal of the Optical Society of America A: Optics and Image Science, and Vision 30 (7) : 1426-1440. ScholarBank@NUS Repository. https://doi.org/10.1364/JOSAA.30.001426
Abstract: High-aperture focusing through a spherical interface has been employed in optical data storage, photolithography, and especially microscopy. This paper first forms an approximate model, based on geometrical optics and Fourier optics, for evaluating focal fields of the focusing systems. This approximate model helps to clarify some doubts existing in literature. We then propose a rigorous model that is applicable to more general systems. Our model is based on multipole theory, which expands the electromagnetic fields into spherical harmonics. © 2013 Optical Society of America.
Source Title: Journal of the Optical Society of America A: Optics and Image Science, and Vision
URI: http://scholarbank.nus.edu.sg/handle/10635/57275
ISSN: 10847529
DOI: 10.1364/JOSAA.30.001426
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