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Title: Acoustooptical reconstruction of a pulsed ultrasonic signal
Authors: Blomme, Erik ×
Leroy, Oswald #
Issue Date: Oct-1992
Publisher: Soc photo-opt instrum eng
Series Title: Optical engineering vol:31 issue:10 pages:2122-2128
Abstract: In the Fresnel zone of laser light diffracted by a sound wave, the light intensity is modulated in both time and space, and the pattern of this modulation contains all the information about the time waveform of the diffracting sound wave. A method is proposed to recompose the sound wave from the optical signal, recorded during one ultrasonic pulse period in a single point in the Fresnel region of the diffracted light. The technique can be considered as a real-time reconstruction and is applicable to both continuous and pulsed ultrasonic waves for physical parameters within the range of Raman-Nath-type diffraction.
ISSN: 0091-3286
Publication status: published
KU Leuven publication type: IT
Appears in Collections:Faculty of Science, Campus Kulak Kortrijk
× corresponding author
# (joint) last author

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