Third-harmonic generation in focused beams as a method of 3D microscopy of a laser-produced plasma |
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| Authors: | A N Naumov D A Sidorov-Biryukov A B Fedotov A M Zheltikov |
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| Institution: | (1) Physics Faculty, Moscow State University, Moscow, 119899, Russia;(2) International Laser Center, Moscow State University, Moscow, 119899, Russia |
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| Abstract: | 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. |
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