Frequency multiplication of terahertz radiation in the crystals of strontium titanate paraelectric

Alvaro Zamudio-Lara; Svetlana V. Koshevaya; Volodymyr V. Grimalsky; Fabiola Yañez-Cortes

doi:10.3103/S0735272715090034

Authors

Alvaro Zamudio-Lara Universidad Autónoma del Estado de Morelos, Mexico
Svetlana V. Koshevaya Universidad Autónoma del Estado de Morelos, Mexico https://orcid.org/0000-0002-5966-1343
Volodymyr V. Grimalsky Universidad Autónoma del Estado de Morelos, Mexico https://orcid.org/0000-0001-8313-6621
Fabiola Yañez-Cortes Universidad Autónoma del Estado de Morelos, Mexico

DOI:

https://doi.org/10.3103/S0735272715090034

Keywords:

THz, THz radiation, frequency multiplication, paraelectric

Abstract

In this article we have investigated frequency multiplication in the crystals of strontium titanate paraelectric at a temperature of 77 K. Frequency dispersion affects the process of harmonics generation. It has been shown that the efficiency of higher harmonics generation is high and it is equal to 30%. One can perform the selective extraction of certain harmonic by means of an optimal choice of the crystal length.

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