On temporally periodic physical vapor deposition on random rough surfaces

Ricardo A. Fiallo, Chengzhi Li, Akhlesh Lakhtakia, Mark W. Horn

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Abstract

Temporally periodic physical vapor deposition (TP-PVD) is commonly used to fabricate Bragg mirrors on planar surfaces. These devices are notionally of infinite transverse extent and homogeneity, but they have periodically nonhomogeneous electromagnetic constitutions in the thickness direction. Undertaking TP-PVD in two different formats, we found that the Bragg phenomenon can be avoided in certain thin-film applications by undertaking TP-PVD on surfaces roughened randomly on the scale of the wavelength.

Original languageEnglish (US)
Article number036005
JournalJournal of Nanophotonics
Volume17
Issue number3
DOIs
StatePublished - Jul 1 2023

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics

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