Simulation of the thermo-optic coupling effect in mid-infrared second harmonic generation of ZnGeP2 crystal

• Autorzy: Zhang W. , Gao Y. , Huang J. , Zhang G. , Andreev Y. M. , Grechin S. G. , Lanskii G. V.

Identyfikatory

DOI

10.1515/msp-2015-0046

• Języki publikacji: EN

Abstrakty

EN

The thermo-optic coupling process of second harmonic generation was numerically simulated in ZnGeP2 crystals pumped by a pulsed CO2 laser at the wavelength of 9.6 mu m, under the strong and weak cooling conditions. The conversion efficiencies, temperature distributions were calculated during the evolution of the thermo-optic coupling. The results showed that the thermo-optic coupling was weak in the strong cooling condition, which nearly did not disturb the conversion processes and temperature distribution, while in the weak cooling case, the temperature distribution showed a great influence on the conversion efficiency and light intensity. Finally, it was found that compensation of the phase mismatch induced by the thermal effect can well recover the conversion efficiency.

Słowa kluczowe

EN

second harmonic generation; thermo-optic coupling; ZnGeP2; crystal

• Wydawca: De Gruyter
• Czasopismo: Materials Science Poland
• Rocznik: 2015
• Tom: Vol. 33, No. 2
• Strony: 391--396
• Opis fizyczny: Bibliogr. 20 poz., rys.

Twórcy

autor

Zhang W.

• College of Electronic Engineering, Heilongjiang University, Harbin 150080, People’s Republic of China

autor

Gao Y.

• College of Electronic Engineering, Heilongjiang University, Harbin 150080, People’s Republic of China

autor

Huang J.

• Department of Optoelectric Information Science and Engineering, Harbin University of Science and Technology, Harbin 150080, People’s Republic of China

autor

Zhang G.

• Department of Optoelectric Information Science and Engineering, Harbin University of Science and Technology, Harbin 150080, People’s Republic of China

autor

Andreev Y. M.

• Institute of Monitoring of Climatic and Ecological Systems SB RAS, Academicheskii Avenue, 10/3, Tomsk 634055, Russia

autor

Grechin S. G.

• Bauman Moscow State Technical University, 5, 2nd Bauman Str., Moscow 105005, Russia

autor

Lanskii G. V.

• Institute of Monitoring of Climatic and Ecological Systems SB RAS, Academicheskii Avenue, 10/3, Tomsk 634055, Russia

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