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Journal of Optical Technology

Journal of Optical Technology

| SIMULTANEOUS RUSSIAN-ENGLISH PUBLICATION

  • Vol. 79, Iss. 9 — Sep. 1, 2012
  • pp: 538–544

Optimizing the process of generating the second harmonic of the radiation of a TEA CO2 laser in a ZnGeP2 crystal

L. V. Koval’chuk, A. G. Kalintsev, A. I. Gribenyukov, D. A. Goryachkin, V. V. Sergeev, N. A. Kalintseva, and V. P. Kalinin  »View Author Affiliations


Journal of Optical Technology, Vol. 79, Issue 9, pp. 538-544 (2012)
http://dx.doi.org/10.1364/JOT.79.000538


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Abstract

The creation of a high-intensity source in the 4.6–5.4-µm range is a problem that has attracted the attention of researchers for several decades. This paper describes the optimization of the process of generating the second harmonic of the radiation of a pulse-periodic TEA CO2 laser by choosing a nonlinear crystal and the temporal shape of the laser-pump pulse. Energy-conversion efficiency of up to 20% has been experimentally obtained in a ZnGeP2 crystal with mean power of the radiation in the λ=4.8µm region of up to 0.24 W and a pulse repetition rate of 10 Hz.

© 2012 OSA

History
Original Manuscript: December 8, 2011
Published: September 28, 2012

Citation
L. V. Koval’chuk, A. G. Kalintsev, A. I. Gribenyukov, D. A. Goryachkin, V. V. Sergeev, N. A. Kalintseva, and V. P. Kalinin, "Optimizing the process of generating the second harmonic of the radiation of a TEA CO2 laser in a ZnGeP2 crystal," J. Opt. Technol. 79, 538-544 (2012)
http://www.opticsinfobase.org/jot/abstract.cfm?URI=jot-79-9-538

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