Wavefront spacing and Gouy phase in presence of primary spherical aberration

Journal article (2013)
Faculty
Electrical Engineering, Mathematics and Computer Science (EEMCS) (TU Delft)
Copyright: © 2013 Optical Society of America
Interferometry Metrology Diffraction theory Phase
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Published Date

20-12-2013

Reuse Rights

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Source:

Optics Letters, 39 (1), 2014

ISSN:

0146-9592

Source:

http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-39-1-88

Faculty

Electrical Engineering, Mathematics and Computer Science

Abstract

We study the Gouy phase of a scalar wavefield that is focused by a lens suffering from primary spherical aberration. It is found that the Gouy phase has different behaviors at the two sides of the intensity maximum. This results in a systematic increase of the successive wavefront spacings around the diffraction focus. Since all lenses have some amount of spherical aberration, this observation has implications for optical calibration and metrology.

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