Abstract
Improvement has been considered of an optoacoustic generator based on a structure with a Tamm plasmon as an active medium by means of the addition of an organic material (polydimethylsiloxane) layer with an extremely high thermal expansion coefficient. The simulation of the structure characteristics has been shown that the use of polydimethylsiloxane as an additional layer in the optoacoustic transducer structure is appropriate at frequencies up to 50 MHz. We have also shown that the addition of an organic layer leads to an increase in the efficiency of the optoacoustic transformation by four orders.
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Funding
This work was supported by the Ministry of Science and Higher Education of the Russian Federation (project no. FSRM-2020-0008) and by the Russian Foundation for Basic Research and the Belarusian Republican Foundation for Fundamental Research (project no. 19-52-04005).
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Translated by N. Podymova
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Girshova, E.I., Mikitchuk, E.P., Belonovskii, A.V. et al. An Optoacoustic Ultrasound Generator Based on a Tamm Plasmon and Organic Active Layer Structure. Tech. Phys. Lett. 47, 336–340 (2021). https://doi.org/10.1134/S1063785021040076
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DOI: https://doi.org/10.1134/S1063785021040076