Temperature-dependent terahertz time-domain spectroscopy study of Mg-doped stoichiometric lithium niobate

Andrea Buzády, Réka Gálos, Géza Makkai, Xiaojun Wu, György Tóth, László Kovács, Gábor Almási, János Hebling, László Pálfalvi

Research output: Contribution to journalArticle

1 Citation (Scopus)


Terahertz time-domain spectroscopy measurements were performed on 0.7 mol% Mg-doped stoichiometric lithium niobate crystal with ordinary and extraordinary polarization in the 4-460 K temperature range. The absorption coefficient and refractive index spectra were recorded in the terahertz frequency range from 0.5 to 1.8 THz. The data extracted from the measurements are given in simple and concise form in order to provide easily usable practical information for those who would like to use this material in the terahertz range. Through a practical example it was also pointed out, that the effect of the temperature must not be neglected during the design and adjustment of terahertz sources if the goal is to maximize the optical-to-THz conversion efficiency.

Original languageEnglish
Pages (from-to)998-1006
Number of pages9
JournalOptical Materials Express
Issue number4
Publication statusPublished - Apr 1 2020

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials

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