, Volume 90, Issue 5, pp 778-783

Third-harmonic generation in focused beams as a method of 3D microscopy of a laser-produced plasma

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Analysis of the phase-matching integral for third-harmonic generation in focused laser beams shows that this process can be used as a method of 3D microscopy, allowing one to characterize the location and magnitude of inhomogeneities of linear and nonlinear optical characteristics of a medium. The potentialities of this method are illustrated by the results of experiments on 3D microscopy of an optical breakdown plasma.

Translated from Optika i Spektroskopiya, Vol. 90, No. 5, 2001, pp. 863–869.
Original Russian Text Copyright © 2001 by Naumov, Sidorov-Biryukov, Fedotov, Zheltikov.