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Proceedings Paper

Resolution-enhancement of photoacoustic microscopy by modulation quenching of nanoparticles
Author(s): Gregor Langer; Patricia M. A. Farias; Andreas Stingl; Raquel Milani; Bianca Buchegger; Jaroslaw Jacak; Andre Galembeck; Thomas A. Klar; Thomas Berer
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Paper Abstract

In this work, we theoretically and experimentally deal with photoacoustic resolution enhancement by means of saturated modulation quenching. It is shown that experimental systems for resolution enhancement with saturated modulation quenching in fluorescence microscopy are not necessarily suited for photoacoustic modulation quenching. Here, we show that modulation quenching is not limited to fluorescent dyes but can be also applied to metallic nanoparticles. For modulation quenching in photoacoustic microscopy it is sufficient that the signal saturates with increasing excitation intensity.

Paper Details

Date Published: 27 February 2019
PDF: 8 pages
Proc. SPIE 10878, Photons Plus Ultrasound: Imaging and Sensing 2019, 1087822 (27 February 2019); doi: 10.1117/12.2510230
Show Author Affiliations
Gregor Langer, Research Ctr. for Non Destructive Testing GmbH (Austria)
Patricia M. A. Farias, Phornano Holding GmbH (Austria)
Ctr. de Tecnologias Estratégicas do Nordeste (Brazil)
Andreas Stingl, Phornano Holding GmbH (Austria)
Raquel Milani, Ctr. de Tecnologias Estratégicas do Nordeste (Brazil)
Bianca Buchegger, Johannes Kepler Univ. Linz (Austria)
Jaroslaw Jacak, Upper Austria Univ. of Applied Sciences (Austria)
Andre Galembeck, Ctr. de Tecnologias Estratégicas do Nordeste (Brazil)
Thomas A. Klar, Johannes Kepler Univ. Linz (Austria)
Thomas Berer, Research Ctr. for Non Destructive Testing GmbH (Austria)


Published in SPIE Proceedings Vol. 10878:
Photons Plus Ultrasound: Imaging and Sensing 2019
Alexander A. Oraevsky; Lihong V. Wang, Editor(s)

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