16 July 2015 Laser-diode-based photoacoustic setup to analyze Grüneisen relaxation-effect induced signal enhancement
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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.
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Maxim Cherkashin, Maxim Cherkashin, Carsten Brenner, Carsten Brenner, Lena Gö­ring, Lena Gö­ring, Ben­ja­min Döpke, Ben­ja­min Döpke, Nils C. Gerhardt, Nils C. Gerhardt, Martin R. Hofmann, 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); doi: 10.1117/12.2183957; https://doi.org/10.1117/12.2183957
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