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Herzig, Hans-Peter
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Herzig, Hans-Peter
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Voici les éléments 1 - 2 sur 2
- PublicationAccès libreUnconventional treatment of focal shift(1998)
;Vokinger, Urs; ;Blattner, PeterWe present an unconventional approach for the explanation of focal shift behind a lens. It is based on the fact that, within the approximation of Fresnel diffraction, the intensity distributions in the conjugate planes of a lens are equal to their geometrical images. We show that the focus (position of highest intensity) is always shifted towards the lens. The results for a Gaussian beam and a uniform converging spherical wave are presented. - PublicationAccès libreInterferometric fabrication of modulated submicrometer gratings in photoresist(1995)
;Ehbets, Peter; ;Nussbaum, Philippe ;Blattner, Peter