Abstract
A method is proposed for controlled convergence of beams with different wavelengths by means of acousto-optical (AO) Bragg diffraction. A method for calculating the parameters of the diffraction of two beams by one acoustic wave in a uniaxial crystal, which makes it possible to determine the condition for beam convergence, is presented. Calculations are demonstrated using the example of convergence of beams with wavelengths of 0.514 and 0.633 µm in a uniaxial paratellurite crystal by means of AO interaction with a “slow” acoustic wave. Experiments were carried out that confirmed the main theoretical conclusions.
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The work was carried out within the framework of the state task of Kotelnikov Institute of Radio Engineering and Electronics, Russian Academy of Sciences.
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Kotov, V.M. Controlled Conversion of Rays with Different Wavelengths Using Acousto-Optic Bragg Diffraction. Instrum Exp Tech 66, 417–422 (2023). https://doi.org/10.1134/S0020441223020197
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DOI: https://doi.org/10.1134/S0020441223020197