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Toward the production of micropolarizers by irradiation of composite glasses with silver nanoparticles

Toward the production of micropolarizers by irradiation of composite glasses with silver nanoparticles

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Authors

  • Andrei Stalmashonak
  • Gerhard Seifert
  • Ahmet Akin Unal
  • Ulrich Skrzypczak
  • Alexander Podlipensky
  • Amin Abdolvand
  • Heinrich Graener

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Info

Original languageEnglish
PagesF37-F43
Number of pages7
JournalApplied Physics B: Lasers and Optics
Journal publication date1 Sep 2009
Journal number25
Volume48
DOIs
StatePublished

Abstract

We investigate the possibility of preparation of laser-induced dichroism in composite glasses with a high concentration of silver nanoparticles. A detailed analysis based on the Maxwell-Garnett theory and experimental results shows that particles at different volume fractions react differently to the same laser irradiation parameters. Based on these findings, we demonstrate that a well-defined sequence of multiple irradiation and intermediate annealing can maximize the particles' aspect ratio and avoid unwanted partial destruction. The proposed irradiation technique permits production of micropolarizing structures with high polarization contrast in the visible and near-IR regions. (C) 2009 Optical Society of America

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