Efficiency of difference frequency generation with ZnGeP2

Victor V. Apollonov; Yu. A. Shakir

doi:10.1117/12.335855

5 January 1999 Efficiency of difference frequency generation with ZnGeP₂

Victor V. Apollonov, Yu. A. Shakir

Proceedings Volume 3686, Laser Optics '98: Gas, Liquid, and Free-Electron Lasers; (1999) https://doi.org/10.1117/12.335855
Event: Laser Optics '98, 1998, St. Petersburg, Russian Federation

Abstract

Using experiment data of laser damage threshold for ZnGeP₂ surface we have made calculations of dependence of different frequency generation efficiency from nonlinear crystal length for different values of sum laser intensity (up to 10 GW/cm²) corresponding to definite CO₂ laser types. Computation results showed that more 1-MW submillimeter power values are possible if to use sufficiently short powerful pump. These pulses are of considerable interest for many applications in matter investigations. Also we suggest to generate powerful laser half-cycle pulse at submillimeter wave region by means of difference frequency generation with ZnGeP₂ and by converted radiation reflection and absorption switch on semiconductor wafers.

Citation Download Citation

Victor V. Apollonov and Yu. A. Shakir "Efficiency of difference frequency generation with ZnGeP₂", Proc. SPIE 3686, Laser Optics '98: Gas, Liquid, and Free-Electron Lasers, (5 January 1999); https://doi.org/10.1117/12.335855

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