23 February 2012 Optical detection of photoacoustic waves using phase sensitive low-coherence interferometry
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Abstract
Detection of acoustic waves is the cornerstone of photoacoustic tomography (PAT). Detection has conventionally been performed mechanically using ultrasonic transducers, or optically by interferometric techniques. We propose an interferometric detection scheme using low coherence interferometry (LCI) and discuss the challenges, advantages and limitations of applying this technique to photoacoustics.
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B. Hermann, B. Hermann, M. Gabriele-Sandrian, M. Gabriele-Sandrian, B. Hofer, B. Hofer, B. Povazay, B. Povazay, W. Drexler, W. Drexler, "Optical detection of photoacoustic waves using phase sensitive low-coherence interferometry", Proc. SPIE 8223, Photons Plus Ultrasound: Imaging and Sensing 2012, 822338 (23 February 2012); doi: 10.1117/12.908325; https://doi.org/10.1117/12.908325
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