Complex shaping of the depth of focus
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comunitat-uji-handle2:10234/43662
comunitat-uji-handle3:10234/43643
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Title
Complex shaping of the depth of focusAuthor (s)
Date
2020Publisher
Optical Society of AmericaISSN
2578-7519Bibliographic citation
Omel Mendoza-Yero, "Complex shaping of the depth of focus," OSA Continuum 3, 2175-2184 (2020)Type
info:eu-repo/semantics/articleVersion
info:eu-repo/semantics/publishedVersionAbstract
In this manuscript an exact solution to the inverse problem of axial beam shaping along the focus of a convergent lens is found. This allows to extend, within the framework of the scalar theory of diffraction, the ... [+]
In this manuscript an exact solution to the inverse problem of axial beam shaping along the focus of a convergent lens is found. This allows to extend, within the framework of the scalar theory of diffraction, the mathematical formalism of complex pupils to include axial phase modulation. Numerical simulations based on Fourier transform as well as convolution operations indicate that amplitude and phase modulation can be performed simultaneously. It is also shown that include or not phase modulation in the beam shaping process can increase its efficiency more than three times. In addition, an analytical expression for the Gouy phase that depends on the introduced phase modulation was also derived. It is expected that obtained results benefit many photonic applications involving the control and manipulation of light along the focal region. [-]
Is part of
OSA Continuum Vol. 3, Issue 8, 2020.Investigation project
PID2019-110927RB-100, UJI-B2019-37, PROMETEO/2020/029Rights
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