Optimal Design of an Ultrasound Transducer for Efficient Acousto-Optic Modulation of Terahertz Radiation

Pavel Alekseevich Nikitin, Vasily Valerievich Gerasimov

Результат исследования: Научные публикации в периодических изданияхстатьярецензирование

Аннотация

Acousto-optic (AO) interaction in the terahertz range was investigated with the use of monolithic ultrasound transducers of various widths. Sulfur hexafluoride (SF6) liquefied at a temperature of about 23C and a pressure of 25 bar was used as a medium for AO interaction. The angular and frequency bandwidths of effective AO interaction, as well as the diffraction efficiency per 1 W of the driving electric power, were determined. For the first time, a correct comparison of the AO diffraction efficiency in SF6 with the use of ultrasound transducers with different widths was carried out. In the experiments performed, the highest energy efficiency of the AO modulator was achieved with a transducer with a width of 12 mm.

Язык оригиналаанглийский
Номер статьи1203
ЖурналMaterials
Том15
Номер выпуска3
DOI
СостояниеОпубликовано - 1 февр. 2022

Предметные области OECD FOS+WOS

  • 2.05 ТЕХНОЛОГИЯ МАТЕРИАЛОВ
  • 1.03 ФИЗИЧЕСКИЕ НАУКИ И АСТРОНОМИЯ
  • 1.04 ХИМИЧЕСКИЕ НАУКИ
  • 2.05.PZ МЕТАЛЛУРГИЯ И МЕТАЛЛУРГИЧЕСКАЯ ИНЖЕНЕРИЯ

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