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Model for the description of remote photoacoustic sensing using speckle-analysis
Author(s): Benjamin Lengenfelder; Martin Hohmann; Florian Klämpfl; Azhar Zam; Manuel Weiß; Stefan J. Rupitsch; Zeev Zalevsky; Michael Schmidt
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Paper Abstract

Remote photoacoustic tomography by speckle-analysis which is based on the measurement of the surface tilt is interesting for a lot of medical applications such as endoscopy or wound imaging. In this work, a new model which is capable to simulate the resulting surface tilt after photoacoustic excitation is presented. A Monte Carlo simulation is coupled to a stress simulation which allows the determination of the temporal surface deformation and the resulting tilt. A first comparison to experimental results from literature is done and discussed. In future, this model might help to optimize the speckle-sensing technique for photoacoustic signal detection. Furthermore, it could be used to develop and test image reconstruction algorithms.

Paper Details

Date Published: 19 July 2019
PDF: 3 pages
Proc. SPIE 11077, Opto-Acoustic Methods and Applications in Biophotonics IV, 110771I (19 July 2019); doi: 10.1117/12.2526593
Show Author Affiliations
Benjamin Lengenfelder, Friedrich-Alexander-Univ. Erlangen-Nürnberg (Germany)
Erlangen Graduate School in Advanced Optical Technologies (Germany)
Martin Hohmann, Friedrich-Alexander-Univ. Erlangen-Nürnberg (Germany)
Erlangen Graduate School in Advanced Optical Technologies (Germany)
Florian Klämpfl, Friedrich-Alexander-Univ. Erlangen-Nürnberg (Germany)
Erlangen Graduate School in Advanced Optical Technologies (Germany)
Azhar Zam, Univ. of Basel (Switzerland)
Manuel Weiß, Friedrich-Alexander-Univ. Erlangen-Nürnberg (Germany)
Stefan J. Rupitsch, Friedrich-Alexander-Univ. Erlangen-Nürnberg (Germany)
Zeev Zalevsky, Erlangen Graduate School in Advanced Optical Technologies (Germany)
Bar-Ilan Univ. (Israel)
Michael Schmidt, Friedrich-Alexander-Univ. Erlangen-Nürnberg (Germany)
Erlangen Graduate School in Advanced Optical Technologies (Germany)


Published in SPIE Proceedings Vol. 11077:
Opto-Acoustic Methods and Applications in Biophotonics IV
Vasilis Ntziachristos; Roger Zemp, Editor(s)

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