High-speed imaging of sound using parallel phase-shifting interferometry

Kenji Ishikawa
Kenji Ishikawa
Nachanant Chitanont
Nachanant Chitanont
Takashi Onuma
Takashi Onuma
Hayato Niwa
Hayato Niwa

OPTICS EXPRESS, pp. 12922-12932, 2016.

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Abstract:

Sound-field imaging, the visualization of spatial and temporal distribution of acoustical properties such as sound pressure, is useful for understanding acoustical phenomena. This study investigated the use of parallel phase-shifting interferometry (PPSI) with a high-speed polarization camera for imaging a sound field, particularly high-s...More

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