Remote photoacoustic sensing using speckle-analysis for biomedical imaging
Benjamin Lengenfelder
Broschiertes Buch

Remote photoacoustic sensing using speckle-analysis for biomedical imaging

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In this thesis the simple, contact-free speckle-analysis is investigated for its application in photoacoustic detection. First, a simulation model is created which theoretically confirms the detectability of photoacoustic surface deformations by speckle-analysis. Subsequently, the feasibility of contact-free detection is demonstrated by experiments on phantoms and ex-vivo tissue using a high-speed camera system. For these measurements multiple speckles are analyzed and within these experiments the endoscopic applicability of the technique by using an imaging fiber bundle is demonstrated. In or...