Laser-diode-based photoacoustic setup to analyze Grüneisen relaxation-effect induced signal enhancement

Maxim Cherkashin; Carsten Brenner; Lena Gö­ring; Ben­ja­min Döpke; Nils C. Gerhardt; Martin R. Hofmann

doi:10.1117/12.2183957

16 July 2015 Laser-diode-based photoacoustic setup to analyze Grüneisen relaxation-effect induced signal enhancement

Maxim Cherkashin, Carsten Brenner, Lena Göring, Benjamin Döpke, Nils C. Gerhardt, Martin R. Hofmann

Author Affiliations +

Proceedings Volume 9539, Opto-Acoustic Methods and Applications in Biophotonics II; 95390M (2015) https://doi.org/10.1117/12.2183957
Event: European Conferences on Biomedical Optics, 2015, Munich, Germany

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.

Citation Download Citation

Maxim Cherkashin, Carsten Brenner, Lena Göring, Benjamin Döpke, Nils C. Gerhardt, and Martin R. Hofmann "Laser-diode-based photoacoustic setup to analyze Grüneisen relaxation-effect induced signal enhancement", Proc. SPIE 9539, Opto-Acoustic Methods and Applications in Biophotonics II, 95390M (16 July 2015); https://doi.org/10.1117/12.2183957

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