Far Infrared Properties of Electro-Optic Crystals Measured by THz Time-Domain Spectroscopy

  • M. Schall
  • H. Helm
  • S. R. Keiding


In this article we report an experimental investigation of the far-infrared properties of several nonlinear crystals, LiNbO3, LiTaO3, ZnTe and CdTe. Using Terahertz Time-Domain Spectroscopy (THz-TDS) we have measured the complex frequency response, i.e. both index of refraction and absorption up to 3 THz (100 cm−1) for the electro-optic crystals at room temperature. The single Lorentzian oscillator model is used to describe the aquired data. Additional resonance features are observed, especially in the II-VI compounds.


Spectroscopy Experimental Investigation Refraction Frequency Response LiNbO3 
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Copyright information

© Plenum Publishing Corporation 1999

Authors and Affiliations

  • M. Schall
    • 1
  • H. Helm
    • 1
  • S. R. Keiding
    • 2
  1. 1.Fakultät für PhysikAlbert-Ludwigs-UniveritätFreiburgGermany
  2. 2.Department of ChemistryUniversity of AarhusAarhusDenmark

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