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Proceedings Paper

Laser-diode-based photoacoustic setup to analyze Grüneisen relaxation-effect induced signal enhancement
Author(s): Maxim Cherkashin; Carsten Brenner; Lena Gö­ring; Ben­ja­min Döpke; Nils C. Gerhardt; Martin R. Hofmann
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Paper Abstract

In this paper we investigate the possibilities to use a pulsed laser diode based setup to achieve the photoacoustic signal amplification via the Grueneisen relaxation effect. It is shown that the system is capable of producing the required multiple pulses burst with pulse widths of 12 ns and pulse inter-delays down to approximately 135 ns. With additional fluence considerations we expect no improvement from this technique for photoacoustic tomography setting, while our laser diode based setup is a highly promising compact alternative for Grueneisen relaxation related studies in photoacoustic microscopy.

Paper Details

Date Published: 16 July 2015
PDF: 6 pages
Proc. SPIE 9539, Opto-Acoustic Methods and Applications in Biophotonics II, 95390M (16 July 2015); doi: 10.1117/12.2183957
Show Author Affiliations
Maxim Cherkashin, Ruhr-Univ. Bochum (Germany)
Carsten Brenner, Ruhr-Univ. Bochum (Germany)
Lena Gö­ring, Ruhr-Univ. Bochum (Germany)
Ben­ja­min Döpke, Ruhr-Univ. Bochum (Germany)
Nils C. Gerhardt, Ruhr-Univ. Bochum (Germany)
Martin R. Hofmann, Ruhr-Univ. Bochum (Germany)

Published in SPIE Proceedings Vol. 9539:
Opto-Acoustic Methods and Applications in Biophotonics II
Vasilis Ntziachristos; Roger Zemp, Editor(s)

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