Observation of Acousto-Optic Diffraction of Terahertz Radiation in Liquefied Sulfur Hexafluoride at Room Temperature

Pavel Nikitin; Vitaly Voloshinov; Boris Knyazev; Michael Scheglov

doi:10.1109/TTHZ.2019.2948821

Observation of Acousto-Optic Diffraction of Terahertz Radiation in Liquefied Sulfur Hexafluoride at Room Temperature

Pavel Nikitin, Vitaly Voloshinov, Boris Knyazev, Michael Scheglov

Research output: Contribution to journal › Article › peer-review

1 Citation (Scopus)

Abstract

Diffraction of terahertz radiation on ultrasound in liquefied sulfur hexafluoride at room temperature was observed for the first time. The dependences of the diffraction efficiency on the sound frequency, angle of incidence, and amplitude of radio-frequency electrical signal applied to a piezo-transducer were studied. Deflection of diffracted radiation by an angle of 10 was observed. It was found that the diffraction efficiency at room temperature is significantly (four times) higher than the one at 14°C known from the literature. The obtained and published data on the acousto-optic diffraction in liquefied sulfur hexafluoride contradict the well-known theory.

Original language	English
Article number	8879577
Pages (from-to)	44-50
Number of pages	7
Journal	IEEE Transactions on Terahertz Science and Technology
Volume	10
Issue number	1
DOIs	https://doi.org/10.1109/TTHZ.2019.2948821
Publication status	Published - Jan 2020

Keywords

acousto-optics
diffraction
liquefied gas
terahertz radiation
Acousto-optics
terahertz (THz) radiation
BEAM
DEFLECTION

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10.1109/TTHZ.2019.2948821

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abstract = "Diffraction of terahertz radiation on ultrasound in liquefied sulfur hexafluoride at room temperature was observed for the first time. The dependences of the diffraction efficiency on the sound frequency, angle of incidence, and amplitude of radio-frequency electrical signal applied to a piezo-transducer were studied. Deflection of diffracted radiation by an angle of 10 was observed. It was found that the diffraction efficiency at room temperature is significantly (four times) higher than the one at 14°C known from the literature. The obtained and published data on the acousto-optic diffraction in liquefied sulfur hexafluoride contradict the well-known theory.",

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author = "Pavel Nikitin and Vitaly Voloshinov and Boris Knyazev and Michael Scheglov",

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AU - Voloshinov, Vitaly

AU - Knyazev, Boris

AU - Scheglov, Michael

PY - 2020/1

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