Non-contact detection of underwater objects through the laser-induced acoustic source
Non-contact detection of underwater objects through the laser-induced acoustic source
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Date
2020-09-14
Authors
Yellaiah, J.
Kiran, P. Prem
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Abstract
The time-frequency analysis of acoustic signals from nanosecond laser-induced breakdown of water revealed a broad spectrum. Impedance mismatch due to an object and water-air interface modified the reflected spectrum leading to non-contact detection.
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Optics InfoBase Conference Papers