Direct instantaneous 2-D imaging for photoacoustic waves by ultrashort single pulse interferometry
Optics and Lasers in Engineering（2019）
Abstract
•2-D instantaneous imaging of laser-induced photoacoustic wave.•Realization and verification of rigorous single pulse interferometry eliminating the background noise by spontaneous emission.•Single pulse and single shot imaging to obtain the entire phase map.•Ultrashort pulse imaging with sub-picosecond duration and large field of view.
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Key words
Instantaneous ultrafast imaging,2-D imaging of photoacoustic wave,Single pulse interferometer,Ultrashort pulse laser
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