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Научно-технический вестник информационных технологий, механики и оптики
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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.