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DTSTART;VALUE=DATE:20231108T165000
DTEND;VALUE=DATE:20231108T165000
UID:14534@agenda.unifr.ch
DESCRIPTION:According to Fourier optics, the surface profile of an ideal diffraction \ngrating should contain a precise sum of sinusoidal waves. However, \nbecause fabrication techniques typically yield profiles with only two depth \nlevels, complex “wavy” surfaces cannot be obtained, limiting the \nstraightforward design and implementation of sophisticated diffractive \nsurfaces. Here, we eliminate this design–fabrication mismatch and \nproduce optical surfaces with an arbitrary number of specified sinusoids, \nyielding previously unattainable diffractive surfaces including intricate \ntwo-dimensional moiré patterns, quasicrystals, and holograms. We then \nshow that such patterns can be reduced to nanometer length scales, \ncreating wavy Fourier surfaces for 2D electronics.
SUMMARY:Optical and Electronic Fourier Surfaces 
CATEGORIES:Colloque / Congrès / Forum
LOCATION:PER 08\, 0.51\, Chemin du Musée 3\, 1700 Fribourg
URL;VALUE=URI:https://agenda.unifr.ch/e/fr/14534
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