Please use this identifier to cite or link to this item: https://doi.org/10.1364/OL.33.001363
Title: Fractional Gouy phase
Authors: Yew, E.Y.S. 
Sheppard, C.J.R. 
Issue Date: 15-Jun-2008
Source: Yew, E.Y.S., Sheppard, C.J.R. (2008-06-15). Fractional Gouy phase. Optics Letters 33 (12) : 1363-1365. ScholarBank@NUS Repository. https://doi.org/10.1364/OL.33.001363
Abstract: In general, the total Gouy phase shift has the form n π, where n need not be an integer. As a result of the Fourier transforming property of a lens, the Gouy phase is found to be related to the types of discontinuities at the upper or lower range of the pupil function Q(c) resulting from the asymptotic order of the Fourier transform. The sign of the Gouy phase is also related to the slope of the pupil function. The oscillations of the Gouy phase shift arise from the strength of the nondominant discontinuity. © 2008 Optical Society of America.
Source Title: Optics Letters
URI: http://scholarbank.nus.edu.sg/handle/10635/67070
ISSN: 01469592
DOI: 10.1364/OL.33.001363
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