Acousto-optic deflector based on a paratellurite crystal using broadband acoustic adhesive contact |
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Authors: | Email author" target="_blank">S?N?AntonovEmail author |
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Institution: | 1.Kotelnikov Institute of Radioengineering and Electronics, Fryazino Branch,Russian Academy of Sciences,Fryazino, Moscow region,Russia |
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Abstract: | A broadband acoustic matching of a piezoelectric transducer made of a lithium niobate crystal with an acousto-optic TeO2 crystal has been studied. The transducer is acoustically attached to the crystal by the method of adhesive contact. The experimental method of creating a piezoelectric transducer with an acoustic matching layer from a tin film is developed. The conditions of the optimal technological regime when applying the matching layer are determined. The results of the research are used in creating a broadband high-performance deflector with a central ultrasound frequency of 37 MHz, with the frequency band scanning more than 30 MHz, and a diffraction efficiency of about 90% at a wavelength of 1.06 μm. |
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