Optical and polarization properties of lead germanate in terahertz frequency range

M. Yu Vlasov, I. E. Merkulova, N. A. Nikolaev

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1 Citation (Scopus)

Abstract

We measured the absorption coefficients and extinction ratio of ferroelectric lead germanate in the range of 0.2 - 1.2 THz by means of terahertz time-domain spectroscopy. We observed dramatic changes in the dichroism of the crystal induced by temperature shifts between 300 K and 493 K. We estimated the extinction ratio of lead germanate crystal-based wideband terahertz polarizers to be better than 1:105.

Original languageEnglish
Pages (from-to)11327-11330
Number of pages4
JournalMaterials Today: Proceedings
Volume4
Issue number11
DOIs
Publication statusPublished - 1 Jan 2017

Keywords

  • ferroelectrics
  • optical polarization effect
  • terahertz time-domain spectroscopy
  • SINGLE-CRYSTAL
  • SPECTROSCOPY
  • PB5GE3O11

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