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Diffractive optical element embedded in silver-doped nanocomposite glass

Diffractive optical element embedded in silver-doped nanocomposite glass

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  • Lauren A. Fleming
  • Stefan Wackerow
  • Andrew C. Hourd
  • W. Allan Gillespie
  • Gerhard Seifert
  • Amin Abdolvand

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Original languageEnglish
Pages (from-to)22579-22548
Number of pages6
JournalOptics Express
Issue number20
StatePublished - 2012


A diffractive optical element is fabricated with relative ease in a glass containing spherical silver nanoparticles 30 to 40 nm in diameter and embedded in a surface layer of thickness ~10 µm. The nanocomposite was sandwiched between a mesh metallic electrode with a lattice constant 2 µm, facing the nanoparticle containing layer and acting as an anode, and a flat metal electrode as cathode. Applying moderate direct current electric potentials of 0.4 kV and 0.6 kV at an elevated temperature of 200°C for 30 minutes across the nanocomposites led to the formation of a periodic array of embedded structures of metallic nanoparticles. The current-time dynamics of the structuring processes, optical analyses of the structured nanocomposites and diffraction pattern of one such fabricated element are presented.

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