GENERATION MONITORING OF THE SECOND HARMONIC BY USE OF DAST MOLECULAR CRYSTALS
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Two-channel laser unit with photoelectric recording is described in this article, which allows for measurement of
the basic characteristics of the second harmonic radiation acquisition with DAST molecular crystals differing in
terms of their synthesis. To evaluate the nonlinear susceptibility of DAST crystals, we used the method of
relative measurements, in which lithium niobate was used as a reference sample in the form of single crystal as
well as many small crystals.
Keywords: the second harmonic generation, molecular crystals, DAST, nonlinear susceptibility