Development principals of three cascaded terahertz laser with generation of difference frequency radiation in the nonlinear optical crystal ZnGeP2 for terahertz holography

A. I. Gribenyukov; V. V. Dyomin; I. G. Polovtsev; I. Y. Kutuzov; N. N. Yudin

doi:10.1117/12.2292417

30 November 2017 Development principals of three-cascaded terahertz laser with generation of difference frequency radiation in the nonlinear optical crystal ZnGeP₂ for terahertz holography

A. I. Gribenyukov, V. V. Dyomin , I. G. Polovtsev , I. Y. Kutuzov, N. N. Yudin

Author Affiliations +

Proceedings Volume 10466, 23rd International Symposium on Atmospheric and Ocean Optics: Atmospheric Physics; 1046628 (2017) https://doi.org/10.1117/12.2292417
Event: XXIII International Symposium, Atmospheric and Ocean Optics, Atmospheric Physics, 2017, Irkutsk, Russian Federation

Abstract

Optical scheme of three-stage converter of middle IR range laser radiation to the terahertz (THz) radiation of range is proposed. In the first cascade the 2-micron emission in Ho:YAG laser is generated. In the second cascade it is supposed using frequency conversion of radiation of the Ho:YAG laser in ZnGeP₂ single crystal to radiation with a wavelength of ~ 4-4.5 μm, and in the second cascade it is expecting of using parametric frequency conversion of the two parametric sources ~ 4-4.5 μm range to the THz range by generating radiation of difference frequency in the nonlinear optical crystal ZnGeP₂. Estimation of the characteristics of the output terahertz radiation is given in this paper.

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A. I. Gribenyukov, V. V. Dyomin , I. G. Polovtsev , I. Y. Kutuzov, and N. N. Yudin "Development principals of three-cascaded terahertz laser with generation of difference frequency radiation in the nonlinear optical crystal ZnGeP₂ for terahertz holography", Proc. SPIE 10466, 23rd International Symposium on Atmospheric and Ocean Optics: Atmospheric Physics, 1046628 (30 November 2017); https://doi.org/10.1117/12.2292417

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